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EP3674596B1 - Balancing device improving the holding on the head of a head lamp - Google Patents

Balancing device improving the holding on the head of a head lamp Download PDF

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Publication number
EP3674596B1
EP3674596B1 EP19219943.8A EP19219943A EP3674596B1 EP 3674596 B1 EP3674596 B1 EP 3674596B1 EP 19219943 A EP19219943 A EP 19219943A EP 3674596 B1 EP3674596 B1 EP 3674596B1
Authority
EP
European Patent Office
Prior art keywords
rigid
semi
band
strands
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19219943.8A
Other languages
German (de)
French (fr)
Other versions
EP3674596A1 (en
Inventor
Mathieu LE BOURHIS
Boris Bouffay
Philippe Berrel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zedel SAS
Original Assignee
Zedel SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zedel SAS filed Critical Zedel SAS
Publication of EP3674596A1 publication Critical patent/EP3674596A1/en
Application granted granted Critical
Publication of EP3674596B1 publication Critical patent/EP3674596B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/005—Electric lighting devices with self-contained electric batteries or cells the device being a pocket lamp
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B1/00—Hats; Caps; Hoods
    • A42B1/24—Hats; Caps; Hoods with means for attaching articles thereto, e.g. memorandum tablets or mirrors
    • A42B1/242—Means for mounting detecting, signalling or lighting devices
    • A42B1/244—Means for mounting lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
    • F21V21/084—Head fittings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/145—Adjustable mountings for portable lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/10—Linings
    • A42B3/14—Suspension devices
    • A42B3/142—Suspension devices with restraining or stabilizing means, e.g. nape straps

Definitions

  • the present invention relates to headlamps and in particular to a device for holding a headlamp headband.
  • Headlamps originally used in coal mines, have been very successful in the recreation industry, including caving and hiking. They also figure prominently in the range of professional tools.
  • the newer headlamps have a high-power light source located at the front and a heavy-duty battery pack located at the rear.
  • the figure 1 illustrates a first type of known headband, marketed by the applicant company, making it possible to ensure the attachment to the head of a user of a headlamp provided with a fairly large battery, attached to the belt.
  • the figure 2 illustrates a second example of a fairly large attachment device comprising several attachment bands, as described in the patent application EP2462825 , allowing the attachment of a protective helmet or a welding mask on the head of a user.
  • the figure 3 illustrates another example of a fastening system, as described in the patent FR3047570 allowing the fixing of the telescope
  • the document US 7,370,991 describes a headlamp comprising a headband, a light source located at the front of the headband and a load balancing device comprising two strands each having a first end fixed to a front point of the headband and a second end fixed on a rear point of the headband.
  • the object of the present invention is to provide a headlamp provided with a new type of rigid / semi-rigid headband allowing wide possibilities of adjustment on various users' heads.
  • Another object of the present invention is to provide a headlamp provided with a light retaining band and provided with a load balancing system between the weight of the lamp and that - more important - of the supply battery. .
  • the fixing elements are removable, for example by clipping.
  • the first ends (A, A ') of the first and second strands are fixed via a sliding element making it possible to vary the position of the points A and A' on the strip.
  • the second ends (B, B ') of the first and second strands are merged at the same point located close to the battery at the rear of the strip.
  • the band is of constant length, symmetrical with respect to a median sagittal plane, and comprises an alternation of rigid / semi-rigid elements to allow deformation in space and adjustment to the head of a user. .
  • the invention is particularly suited to the production of a compact lamp comprising the light module and a relatively heavy power source.
  • the load balancing device which will be described below is perfectly suited to the production of a headlamp comprising a rigid / semi-rigid support band offering a structure which is particularly easy to adjust, allowing perfect maintenance of the head. the lamp even when it comprises, in particular, a particularly heavy battery at the rear. It should be noted that the device could also be advantageous in the case of a remote battery to allow load balancing when the headband supports a particularly heavy headlamp and which would tend to destabilize the headlamp forward. Consequently, the embodiments which will be described later provide a significant solution for re-balancing loads which would appear either at the front or at the rear of the retaining band.
  • the balancing device described below proves to be usable for any type of headlamp, and any type of headband, elastic or not, the device will be described more specifically in relation to a specific headlamp, such as described in the European patent application EP3290785 , entitled “ Headlamp with a rigid or semi / rigid headband”, filed on August 28, 2017 by the applicant for the present patent application, which allows the production of a light, well-balanced and perfectly aesthetic headlamp.
  • This new type of headlamp comprises a rigid / semi-rigid headband making a “break” with conventional headbands, providing a new aesthetic but also new features for almost immediate adjustment of the headband on a user's head.
  • This headlamp uses for this purpose a specific headband having a combination of rigid / semi-rigid structures of constant length and belonging to a family of shapes three-dimensional likely to be deformed in space, following several planes.
  • This headband allows it to keep a constant length, while allowing deformations along the three planes, which allows the headband to conform to the shape of a user's head.
  • the front part 21, the side parts 24 and 22, and the rear part 23 which are completely semi-rigid, allow the strip to be deformed at constant length in the three planes (x, y), (x, z) and (y , z), thus causing the variability of the radii of curvatures R1, R2 and R3 allowing the fixing of the band 10 on a head of any dimension.
  • the figure 4b illustrates the positioning of the headband on a user's head, without the lamp power supply battery, while the figure 4c shows the headband with a power supply battery 38 at the back, as well as a device 39 for fixing the elastic tightening.
  • the figure 4d illustrates a front perspective of the same strip shown in the figures 4a-4c , where we can distinctly see the lamp 40 located at the front and the battery 38 in the rear position.
  • FIGS. 5a and 5b show more specifically the detail of a first simplified embodiment of a strip 50 comprising an alternation of deformable semi-rigid elements (in dark) and rigid elements (in light), allowing the strip to be deformed at constant length in the three planes (x, y), (x, z) and (y, z) and the variability of the angles of curvature R1, R2 and R3, respectively.
  • the figure 5a shows more specifically the left branch of the first embodiment which comprises a semi-rigid front part 100, on which is fixed a rigid part called "plate” serving as a support, via a pivot connection, for a lamp 101 comprising one or more LEDs (s) associated with an optical system and a corresponding electronic circuit.
  • the front part can be extruded.
  • the band further comprises a rigid rear part 116 (clear) forming a rear part of the band.
  • the element 116 could become semi-rigid to adapt to the xy plane.
  • the strip comprises, on its left branch, a first rigid element 111 (of greater rigidity than the semi-rigid element 100) having a first lower end fixed to a first end of the front part 100, as well as a second end upper attached to a second semi-rigid element 112 (dark, therefore more flexible).
  • the rigid element 111 comprises, respectively at its two lower and upper ends, two passage elements 111a and 111b for a first elastic clamp 150.
  • the second semi-rigid member 112 has a first end attached to the second end of the first member 111 and a second end attached to a first end of a third rigid member 113 serving as a point of passage for the elastic 150 coming from the elements 111b of the left branch.
  • the band then comprises a fourth flexible element (semi-rigid) 114 having a first upper end fixed to a second end of the third element 113 and a second end fixed to a fifth rigid element 115 allowing the fixing of the first elastic 150. coming from waypoint 111a.
  • a fourth flexible element (semi-rigid) 114 having a first upper end fixed to a second end of the third element 113 and a second end fixed to a fifth rigid element 115 allowing the fixing of the first elastic 150. coming from waypoint 111a.
  • the left branch of the strip is finally fixed to a first end of the rigid or semi-rigid element 116 forming the rear part of the rigid / semi-rigid strip, via a second end of the rigid element 115.
  • the rear part 116 may be rigid or semi-rigid so that the elements 115 and 116 may or may not be manufactured. When the rear part 116 will be semi-rigid (dark), then the fifth rigid element 115 will be distinct from the latter. On the contrary, if the rear part 116 is rigid, the elements 115 and 116 may be identical.
  • the figure 5b illustrates the detail of the right branch of the headband which is, as can be seen, perfectly symmetrical with respect to the left branch.
  • the right branch comprises a sixth rigid element 121 having a first lower end fixed to a second end of the front part 100 as well as a second upper end fixed to a first end of a seventh flexible (semi-rigid) element 122.
  • the rigid element 121 comprises, respectively at its two lower and upper ends, two passage elements 121a and 121b for a second elastic clamp 151.
  • the flexible element 122 has a first end fixed to the element 121 and a second end fixed to an eighth rigid element 123 serving as a point of passage for the elastic 151 coming from the elements 121b of the left branch.
  • the band then comprises a ninth flexible (semi-rigid) element 124 having a first upper end fixed to a second end of the element 123 and a second lower end located at a first end of a tenth rigid element 125 and allowing the fixing of the second elastic 151 coming from the passage point 121a.
  • a ninth flexible (semi-rigid) element 124 having a first upper end fixed to a second end of the element 123 and a second lower end located at a first end of a tenth rigid element 125 and allowing the fixing of the second elastic 151 coming from the passage point 121a.
  • the right branch of the strip is finally fixed to the rear (semi-rigid) element 116 which forms the rear of the rigid / semi-rigid strip via a second end of the rigid element 125.
  • the rigid element 121 comprises, at its two ends 121a and 121b, the points of passage of the elastic 151 allowing the stress on the radius of curvature R2 and, consequently, the deformation of the band. in the sagittal plane (x, z).
  • the figure 5c shows the positioning of the rigid / semi-rigid band on the head of a user with, highlighted, the role of the tightening elastics 150 and 151, making it possible to constrain the deformation of the rigid / semi-rigid band according to the three planes , by reducing the radii of curvature R1-R3 and finally adjusting the tightness of the headband on the head of a user.
  • This first embodiment of a rigid / semi-rigid strip illustrated in detail in the figures 5a and 5b is perfectly suited for producing a light headlamp, capable of holding in place a headlamp 101 located at the front and, at the rear, a power supply battery 130, even bulky.
  • the rigid / semi-rigid headband is equipped, as we will see now with the figures 6 and following, of a perfectly specific balancing device which, if it proves to be perfectly suited to the type of rigid / semi-rigid strip, could nevertheless be installed on any type of more conventional strip.
  • the figure 6 illustrates a top view of a first preferred embodiment of a rigid / semi-rigid strip provided with a load balancing device.
  • the device comprises two strands 200 and 300, non-extensible, each provided with a first end (resp. 210, 310) and a second end (resp. 220, 320).
  • the first end 210 (point A) of the strand 200 is fixed to a front part of the left branch of the band while the second end 220 (point B) of the strand 200 is fixed to a rear element of the band.
  • the first end 310 (point A ') of the strand 300 is fixed to a front part of the right branch of the headband while the second end 320 (point B') of the strand 300 is fixed to a rear member. of the headband.
  • the fixing points A, B, A 'and B' may be permanent or removable, for example by clipping, knot, etc.
  • the strip may include a plurality of clipping positions making it possible to fix the fastening elements at several possible locations.
  • the two strands are threaded inside an element 400, preferably sliding, making it possible to produce a junction C between the two strands 200 and 300.
  • the sliding element 400 may be made of any material (plastic , metal, textile) of various shapes (ring, textile).
  • the sliding element may consist of two pulleys whose axes are parallel and substantially vertical.
  • the figure 7 illustrates the operating principle of the balancing device based on the sliding element 400 which makes it possible to bring the two strands 200 and 300 closer together at a point C. It will also be observed that the ends B and B 'are close, while the ends A and A 'are relatively distant.
  • strands 200 and 300 will be chosen which are slightly elastic, wide enough to ensure comfort for the user, and thin enough not to excessively increase the weight of the headband.
  • the sliding element 400 may be made of injected plastic with a shape designed for the comfort of the user, in particular exposing large surfaces that are refined and curved for optimum contact with the user's head.
  • the sliding element 400 is provided with a mechanism for tightening the strands 200 and 300, which makes it possible to further accentuate the possibilities of adjusting the band.
  • the ends A, B, A 'and B' are equipped with fixing elements on the rigid / semi-rigid strip respectively 210, 220, 310 and 320 which can be fixed or removable by clipping for example, so that the device balancing element based on the sliding element 400 may itself be a removable accessory, useful for certain activities.
  • the headlamp in its “refined” form, as shown in the figures 5a and 5b .
  • the user wishes to engage in a more "dynamic” activity, such as for example running, he will find an appreciable advantage in the implementation of the balancing device based on the two legs 200 and 300. and the sliding element 400.
  • the fixing points will be positioned on the rigid elements making up the rigid / semi-rigid strip. Alternatively, they can be positioned on more flexible elements.
  • FIGS. 8a, 8b , 8c, 8d and 8th illustrate several perspective views of a second embodiment of a more sophisticated rigid / semi-rigid strip, comprising fixing points A and A 'respectively fixed on the front part, while the two rear fixing points B and B 'are arranged on the elements 113 and 123 of the left and right branches of the strip.
  • the fixing points are made by means of clips which are configured to be able to be placed in one or more notches arranged on the sides of the band so as to allow an adjustable fixing.
  • the attachment points could also be produced by means of sliders allowing lateral displacement of the attachment points on each side of the headlamp retaining strip.
  • the figure 9 illustrates how to obtain, as the sliding element 400 (point C) slides, various possibilities for adjusting the headband on the user's head.
  • the strands 200 and 300 gradually come to match the shape of the head. The forces are thus distributed in good part on the top of the head, increasing the comfort and the stability of the headlamp.
  • the figures 10, 11 and 12 illustrate how a user can, thanks to the advantageous arrangement of the invention, position the headlamp on his head and cause the headband to be adjusted by manipulating the sliding element 400 with one hand.
  • the figure 13 illustrates a third embodiment in which the attachment points B and B 'are made to coincide on the battery 130, when the latter is disposed at the rear of the headlamp.
  • this arrangement could be provided even in the absence of a battery at the rear, when the headlamp comprises, for example, a remote battery.
  • the attachment points may advantageously be fixed to rear attachment points of the strip.
  • the load balancing device comprises an attachment point at the rear which is based on the “tanka” usually used to adjust the headband.
  • the sliding element 400 can be replaced by a seam, as in the example of figures 16a and 16b , and it is the same "tanka" which is used to adjust the headband which also allows the adjustment of the load balancing device. It is thus also possible to obtain a balancing of the loads and this in a particularly simple way, without having to resort to the sliding element 400.
  • the figure 15a to 15c illustrate three different variants of the sliding element 400.
  • the figure 15a recalls the preferred form of the sliding element 400 which is the form used in the embodiments which have been described in relation to the preceding figures.
  • the figure 15b illustrates a second variant in which the sliding element 500 comprises two independent slides, respectively based on two parts 510 and 520, respectively left and right, into which each of the two strands 200 and 300 would slip.
  • Each of the parts 510 and 520 could thus slide along the two strands, in order to reveal two junction points C and C '.
  • Such an arrangement proves to be particularly advantageous when the rear attachment points are particularly far apart, as illustrated in the second embodiment of the figures 8a-8e , since it becomes possible to adjust the device by independently sliding each of the parts 510 and 520.
  • a double possibility of adjustment at the front and at the rear, with a "triangle opening" both front than back.
  • the double slide formed by the parts 510 and 520 is made of deformable plastic material, which makes it possible to obtain two slides which can be deformed under the tension of the strands 200 and 300, which could thus facilitate the clamping of the clamping device. load distribution by simple friction or friction on the deformable parts 510 and 520.
  • the slide element comprises three distinct undeformable parts, namely a left element 610, a central element 620 and a right element 630, making it possible to cause significant changes in direction of each of the two strands 800 and 900 used to connect the points of 'attachments A, A', B and B 'on the support band. So we get thanks in this configuration a crossing of the links and a fairly high friction allowing the device to be tightened on the user's skull.
  • FIGS. 16a and 16b illustrate a fifth embodiment of a load balancing device, in which there is, instead of the slide 400 present on the two strands 200 and 300 - only the strand 200 being shown in the figure.
  • figure 16b - a seam 1010 to connect the two strands 200 and 300 at a fixed point C.
  • the attachment point A is embodied, in this embodiment, by a textile placed on the retaining band comprising a loop 1020 in which comes s 'Thread the strand 200 to then go to join a binding on a sliding element 1030 positioned on the band.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

Domaine technique de l'inventionTechnical field of the invention

La présente invention concerne les lampes frontales et notamment un dispositif de maintien d'un bandeau de lampe frontale.The present invention relates to headlamps and in particular to a device for holding a headlamp headband.

Etat de la techniqueState of the art

Les lampes frontales, utilisées à l'origine dans les mines de charbon, connaissent un vif succès dans le domaine des loisirs, et notamment la spéléologie et la randonnée. Elles figurent également en bonne place dans la panoplie des outils professionnels.Headlamps, originally used in coal mines, have been very successful in the recreation industry, including caving and hiking. They also figure prominently in the range of professional tools.

De manière générale, elles sont appelées à se développer dans toute activité humaine dans une société contemporaine qui se veut être de plus en plus nomade.In general, they are called upon to develop in all human activity in a contemporary society which wants to be more and more nomadic.

Les lampes frontales les plus récentes sont dotées d'une source lumineuse de grande puissance, située à l'avant, et d'une batterie d'alimentation d'un poids élevé que l'on dispose à l'arrière.The newer headlamps have a high-power light source located at the front and a heavy-duty battery pack located at the rear.

Il résulte de cette configuration un problème d'équilibrage des charges et de confort pour l'utilisateur que le bandeau de maintien doit permettre de régler au mieux.The result of this configuration is a problem of load balancing and of comfort for the user, which the support band must make it possible to adjust as well as possible.

Il existe de multiples solutions permettant d'assurer un tel équilibrage de charges.There are many solutions for ensuring such load balancing.

La figure 1 illustre un premier type de bandeau connu, commercialisé par la société demanderesse, permettant d'assurer la fixation sur la tête d'un utilisateur d'une lampe frontale dotée d'une batterie assez importante, fixée à la ceinture.The figure 1 illustrates a first type of known headband, marketed by the applicant company, making it possible to ensure the attachment to the head of a user of a headlamp provided with a fairly large battery, attached to the belt.

La figure 2 illustre un second exemple d'un dispositif d'attache assez volumineux comportant plusieurs bandes de fixation, tel que décrit dans la demande de brevet EP2462825 , permettant la fixation d'un casque de protection ou d'un masque de soudage sur la tête d'un utilisateur.The figure 2 illustrates a second example of a fairly large attachment device comprising several attachment bands, as described in the patent application EP2462825 , allowing the attachment of a protective helmet or a welding mask on the head of a user.

La figure 3 illustre un autre exemple d'un système d'attache, tel que décrit dans le brevet FR3047570 permettant la fixation de lunetteThe figure 3 illustrates another example of a fastening system, as described in the patent FR3047570 allowing the fixing of the telescope

Le document US 7 370 991 décrit une lampe frontale comportant un bandeau de maintien, une source lumineuse située à l'avant du bandeau de maintien ainsi qu'un dispositif d'équilibrage des charges comportant deux brins ayant chacun une première extrémité fixée sur un point avant du bandeau et une seconde extréimté fixée sur un point arrière du bandeau.The document US 7,370,991 describes a headlamp comprising a headband, a light source located at the front of the headband and a load balancing device comprising two strands each having a first end fixed to a front point of the headband and a second end fixed on a rear point of the headband.

Tels sont quelques exemples, de système de fixation sur la tête d'un utilisateur qui ne sont pas forcément adaptés aux critères de fonctionnalité, d'esthétique et de légèreté les plus récents.These are a few examples of a fastening system on the head of a user which is not necessarily adapted to the most recent criteria of functionality, aesthetics and lightness.

L'on se propose de remédier à cette situation, en réalisant un bandeau de fixation pour une lampe frontale parfaitement équilibrée, simple et rapide à ajuster sur la tête d'un utilisateur, et d'une grande esthétique.It is proposed to remedy this situation by producing a fastening band for a perfectly balanced headlamp, simple and quick to adjust on the head of a user, and of great aesthetic appeal.

Exposé de l'inventionDisclosure of the invention

La présente invention a pour but de proposer une lampe frontale dotée d'un nouveau type de bandeau rigide/semi-rigide permettant de larges possibilités d'ajustement sur diverses têtes d'utilisateurs.The object of the present invention is to provide a headlamp provided with a new type of rigid / semi-rigid headband allowing wide possibilities of adjustment on various users' heads.

Un autre but de la présente invention consiste à proposer une lampe frontale dotée d'un bandeau de maintien léger et doté d'un système d'équilibrage des charges entre le poids de la lampe et celui - plus important - de la batterie d'alimentation.Another object of the present invention is to provide a headlamp provided with a light retaining band and provided with a load balancing system between the weight of the lamp and that - more important - of the supply battery. .

C'est un troisième but de la présente invention que de réaliser une lampe frontale doté d'un accessoire d'équilibrage amovible permettant d'améliorer le confort de la lampe même lors des activités les plus extrêmes.It is a third object of the present invention to provide a headlamp equipped with a removable balancing accessory making it possible to improve the comfort of the lamp even during the most extreme activities.

Ces buts sont atteints grâce à une lampe frontale telle que définie dans la revendication 1 et comportant un bandeau de maintien; une source lumineuse située à l'avant dudit bandeau de maintien; une batterie (130) située à l'arrière dudit bandeau de maintien. Un dispositif d'équilibrage des charges comporte :

  • un premier brin comportant une première (A) et une seconde extrémité (B) respectivement fixées sur un point avant et un point arrière gauche du bandeau ;
  • un second brin comportant une première (A') et une seconde extrémité (B') respectivement fixées sur un point avant et un point arrière droit du bandeau ;
  • un élément dans lequel viennent s'enfiler les premier et second brins dans le but de rapprocher les deux brins en un point C, et permettre le serrage du bandeau de maintien de la lampe frontale.
These goals are achieved by means of a headlamp as defined in claim 1 and comprising a retaining band; a light source located at the front of said retaining band; a battery (130) located at the rear of said retaining band. A load balancing device comprises:
  • a first strand comprising a first (A) and a second end (B) respectively fixed on a front point and a left rear point of the band;
  • a second strand comprising a first (A ') and a second end (B') respectively fixed on a front point and a right rear point of the band;
  • an element in which are threaded the first and second strands in order to bring the two strands together at a point C, and allow the tightening of the headlamp retaining band.

Dans un mode de réalisation particulier, les éléments de fixation sont amovibles, par exemple par clipsage.In a particular embodiment, the fixing elements are removable, for example by clipping.

De préférence, les premières extrémités (A, A') des premier et second brins sont fixés via un élément coulissant permettant de faire varier la position des points A et A' sur le bandeau.Preferably, the first ends (A, A ') of the first and second strands are fixed via a sliding element making it possible to vary the position of the points A and A' on the strip.

Dans un mode de réalisation particulier, les secondes extrémités (B, B') des premier et second brins sont confondus en un même point situé proche de la batterie à l'arrière du bandeau.In a particular embodiment, the second ends (B, B ') of the first and second strands are merged at the same point located close to the battery at the rear of the strip.

De préférence, le bandeau est de longueur constante, symétrique par rapport à un plan sagittal médian, et comporte une alternance d'éléments rigides/semi-rigides pour permettre une déformation dans l'espace et l'ajustage à la tête d'un utilisateur.Preferably, the band is of constant length, symmetrical with respect to a median sagittal plane, and comprises an alternation of rigid / semi-rigid elements to allow deformation in space and adjustment to the head of a user. .

Dans un mode de réalisation particulier, le bandeau est un bandeau rigide/semi-rigide comportant:

  • une partie avant rigide/semi-rigide permettant une déformabilité suivant un premier plan (x, y) ;
  • une partie intermédiaire rigide/semi-rigide permettant une déformabilité suivant un second plan (x, z) ;
  • une partie arrière rigide/semi-rigide permettant une déformabilité suivant un troisième plan (y, z) ;
ledit bandeau comportant des éléments permettant la fixation et le passage d'un élastique de serrage permettant de contraindre la déformation du bandeau rigide/semi-rigide suivant les trois plans.In a particular embodiment, the band is a rigid / semi-rigid band comprising:
  • a rigid / semi-rigid front part allowing deformability along a first plane (x, y);
  • a rigid / semi-rigid intermediate part allowing deformability along a second plane (x, z);
  • a rigid / semi-rigid rear part allowing deformability along a third plane (y, z);
said strip comprising elements allowing the fixing and passage of a tightening elastic allowing the deformation of the rigid / semi-rigid strip to be constrained in the three planes.

L'invention est particulièrement adaptée à la réalisation d'une lampe compacte comportant le module lumineux et une source d'alimentation relativement lourde.The invention is particularly suited to the production of a compact lamp comprising the light module and a relatively heavy power source.

Description des dessinsDescription of the drawings

D'autres caractéristiques, but et avantages de l'invention apparaîtront à la lecture de la description et des dessins ci-après, donnés uniquement à titre d'exemples non limitatifs. Sur les dessins annexés :

  • Les figures 1, 2 et 3 illustrent trois exemples de dispositifs de maintien d'une lampe frontale ou autre dispositif électronique sur la tête d'un utilisateur.
  • Les figures 4a-4d illustrent le principe structurel d'un bandeau rigide semi-rigide connu, comportant un bandeau spécifique doté d'un élément avant et trois élément latéraux semi-rigides permettant des déformations suivant trois plans xz, xy et yz.
  • Les figures 5a-5c illustrent plus spécifiquement un mode de réalisation simplifié d'un bandeau rigide/semi-rigide connu, tel que décrit dans la demande de brevet européen EP3290785 .
  • La figure 6 illustre une vue de dessus d'un premier mode de réalisation préféré d'un bandeau rigide/semi-rigide doté d'un dispositif d'équilibrage des charges.
  • La figure 7 illustre le principe de fonctionnement du dispositif d'équilibrage.
  • Les figures 8a-8e illustrent différentes vues et perspective ,d' un second mode de réalisation d'un bandeau rigide/semi-rigide plus sophistiqué, doté du dispositif d'équilibrage de charges de la figure 6, permettant le soutien d'une batterie arrière ayant un poids important.
  • La figure 9 illustre plusieurs réglages possibles du dispositif d'équilibrage du mode de réalisation de la figure 8.
  • Les figures 10, 11 et 12 illustrent la mise en place sur la tête d'un patient de la lampe frontale suivant le second mode de réalisation, et le réglage quasiinstantané de son dispositif d'équilibrage.
  • La figure 13 est une vue en perspective arrière d'un troisième mode de réalisation d'une lampe frontale dotée d'un dispositif d'équilibrage de charges ayant des points de fixation à l'arrière, venant par exemple se positionner sur la batterie arrière.
  • La figure 14 illustre un quatrième mode de réalisation d'un dispositif d'équilibrage positionné sur le bandeau, ayant des points de réglage et de fixation à l'arrière sur la batterie.
  • Les figures 15a à 15c illustrent trois variantes respective de l'élément coulissant 400.
  • Les figures 16a et 16b illustrent un cinquième mode de réalisation d'une lampe frontale dotée de son dispositif d'équilibrage, ayant des points d'attaches A et A' dotés de coulisseaux.
Other characteristics, aim and advantages of the invention will become apparent on reading the description and the drawings below, given solely by way of non-limiting examples. In the accompanying drawings:
  • The figures 1, 2 and 3 illustrate three examples of devices for holding a headlamp or other electronic device on the head of a user.
  • The figures 4a-4d illustrate the structural principle of a known semi-rigid rigid strip, comprising a specific strip provided with a front element and three semi-rigid lateral elements allowing deformations in three planes xz, xy and yz.
  • The figures 5a-5c more specifically illustrate a simplified embodiment of a known rigid / semi-rigid band, as described in the patent application European EP3290785 .
  • The figure 6 illustrates a top view of a first preferred embodiment of a rigid / semi-rigid strip provided with a load balancing device.
  • The figure 7 illustrates the operating principle of the balancing device.
  • The figures 8a-8e illustrate different views and perspective, of a second embodiment of a more sophisticated rigid / semi-rigid strip, provided with the load balancing device of the figure 6 , allowing the support of a rear battery having a significant weight.
  • The figure 9 illustrates several possible settings of the balancing device of the embodiment of the figure 8 .
  • The figures 10, 11 and 12 illustrate the placement on the head of a patient of the headlamp according to the second embodiment, and the almost instantaneous adjustment of its balancing device.
  • The figure 13 is a rear perspective view of a third embodiment of a headlamp provided with a load balancing device having attachment points at the rear, for example being positioned on the rear battery.
  • The figure 14 illustrates a fourth embodiment of a balancing device positioned on the band, having adjustment and fixing points at the rear on the battery.
  • The figures 15a to 15c illustrate three respective variants of the sliding element 400.
  • The figures 16a and 16b illustrate a fifth embodiment of a headlamp provided with its balancing device, having attachment points A and A 'provided with slides.

Description d'un mode de réalisation préféréDescription of a preferred embodiment

Le dispositif d'équilibrage de charges que l'on va décrire ci-après est parfaitement adapté à la réalisation d'une lampe frontale comportant un bandeau de maintien rigide/semi-rigide offrant une structure particulièrement aisée à régler, permettant un parfait maintien de la lampe même lorsque celle-ci comporte, notamment, une batterie particulièrement lourde à l'arrière. Il convient de noter que le dispositif pourra également être avantageux dans le cas d'une batterie déportée pour permettre l'équilibrage des charges lorsque le bandeau soutient une lampe frontale particulièrement lourde et qui tendrait à déstabiliser la lampe frontale vers l'avant. Par conséquent, les modes de réalisation qui vont être décrits plus loin apportent une solution significative pour ré-équilibrer des charges qui se présenteraient soit à l'avant, soit à l'arrière du bandeau de maintien.The load balancing device which will be described below is perfectly suited to the production of a headlamp comprising a rigid / semi-rigid support band offering a structure which is particularly easy to adjust, allowing perfect maintenance of the head. the lamp even when it comprises, in particular, a particularly heavy battery at the rear. It should be noted that the device could also be advantageous in the case of a remote battery to allow load balancing when the headband supports a particularly heavy headlamp and which would tend to destabilize the headlamp forward. Consequently, the embodiments which will be described later provide a significant solution for re-balancing loads which would appear either at the front or at the rear of the retaining band.

Bien que le dispositif d'équilibrage décrit ci-après s'avère utilisable pour tout type de lampe frontale, et tout type de bandeau, élastique ou non, l'on décrira plus spécifiquement le dispositif en relation avec une lampe frontale spécifique, telle que décrite dans la demande de brevet européen EP3290785 , intitulée « Lampe frontale dotée d'un bandeau rigide ou semi/rigide », déposée le 28 Août 2017 par la demanderesse de la présente demande de brevet, qui permet la réalisation d'une lampe frontale légère, bien équilibrée et parfaitement esthétique.Although the balancing device described below proves to be usable for any type of headlamp, and any type of headband, elastic or not, the device will be described more specifically in relation to a specific headlamp, such as described in the European patent application EP3290785 , entitled “ Headlamp with a rigid or semi / rigid headband”, filed on August 28, 2017 by the applicant for the present patent application, which allows the production of a light, well-balanced and perfectly aesthetic headlamp.

L'on rappelle la structure générale d'un bandeau rigide/semi-rigide en relation avec les figures 4a-4d, tandis qu'un premier mode de réalisation simplifié sera plus spécifiquement décrit en relation avec les figures 5a-5d.We recall the general structure of a rigid / semi-rigid strip in relation to the figures 4a-4d , while a first simplified embodiment will be more specifically described in relation to the figures 5a-5d .

Ce nouveau type de lampe frontale comporte un bandeau rigide/semi-rigide venant réaliser une « rupture » avec les bandeaux conventionnels, apportant une nouvelle esthétique mais également de nouvelles fonctionnalités d'ajustement quasi-immédiat du bandeau sur la tête d'un utilisateur. Cette lampe frontale utilise à cet effet un bandeau spécifique présentant une combinaison de structures rigides/semi-rigides de longueur constante et appartenant à une famille de formes tridimensionnelles susceptibles de se déformer dans l'espace, suivant plusieurs plans.This new type of headlamp comprises a rigid / semi-rigid headband making a “break” with conventional headbands, providing a new aesthetic but also new features for almost immediate adjustment of the headband on a user's head. This headlamp uses for this purpose a specific headband having a combination of rigid / semi-rigid structures of constant length and belonging to a family of shapes three-dimensional likely to be deformed in space, following several planes.

Plus spécifiquement, le bandeau comporte:

  • une partie avant rigide/semi-rigide permettant une certaine déformabilité suivant un premier plan (x, y) qui est un plan transversal ;
  • une partie intermédiaire rigide/semi-rigide permettant une certaine déformabilité suivant un second plan (x, z) qui est un plan sagittal ;
  • une partie arrière rigide/semi-rigide permettant une certaine déformabilité suivant un troisième plan (y, z) qui est un plan frontal.
More specifically, the headband includes:
  • a rigid / semi-rigid front part allowing a certain deformability along a first plane (x, y) which is a transverse plane;
  • a rigid / semi-rigid intermediate part allowing a certain deformability along a second plane (x, z) which is a sagittal plane;
  • a rigid / semi-rigid rear part allowing a certain deformability along a third plane (y, z) which is a frontal plane.

La forme tridimensionnelle de ce bandeau lui permet de conserver une longueur constante, tout en autorisant des déformations suivant les trois plans, ce qui permet au bandeau d'épouser la forme de la tête d'un utilisateur.The three-dimensional shape of this headband allows it to keep a constant length, while allowing deformations along the three planes, which allows the headband to conform to the shape of a user's head.

En se référant plus spécifiquement au schéma de la figure 4a, on voit que la structure tridimensionnelle d'un bandeau 10 comporte plus spécifiquement une alternance d'éléments rigides et semi-rigides (déformables). Les éléments rigides sont illustrés en clair sur la figure tandis que les éléments semi-rigides (déformables) sont représentés en foncé. Comme on le voit, le bandeau 10 de la figure 4a comporte une branche droite dotée d'une partie avant 21 semi-rigide déformable puis, de la droite vers la gauche :

  • une partie latérale 26 rigide (claire),
  • une partie latérale 24 semi-rigide (foncée),
  • une partie latérale 27 rigide (claire),
  • une partie latérale 22 semi-rigide (foncée),
  • une partie latérale 28 rigide (claire),
  • une partie arrière 23 semi-rigide (foncée).
Referring more specifically to the diagram of the figure 4a , it can be seen that the three-dimensional structure of a strip 10 more specifically comprises an alternation of rigid and semi-rigid (deformable) elements. The rigid elements are shown in clear in the figure while the semi-rigid (deformable) elements are shown in dark. As we can see, the banner 10 of the figure 4a comprises a right branch provided with a semi-rigid deformable front part 21 then, from right to left:
  • a rigid side part 26 (clear),
  • a semi-rigid side part 24 (dark),
  • a rigid side part 27 (clear),
  • a semi-rigid side part 22 (dark),
  • a side part 28 rigid (clear),
  • a semi-rigid rear part 23 (dark).

La partie avant 21, les parties latérales 24 et 22, et la partie arrière 23 qui sont toute semi-rigides, permettent la déformation du bandeau à longueur constante dans les trois plans (x, y), (x, z) et (y, z), provoquant ainsi la variabilité des rayons de courbures R1, R2 et R3 permettant la fixation du bandeau 10 sur une tête de dimension quelconque.The front part 21, the side parts 24 and 22, and the rear part 23 which are completely semi-rigid, allow the strip to be deformed at constant length in the three planes (x, y), (x, z) and (y , z), thus causing the variability of the radii of curvatures R1, R2 and R3 allowing the fixing of the band 10 on a head of any dimension.

La figure 4b illustre le positionnement du bandeau sur la tête d'un utilisateur, sans la batterie d'alimentation de la lampe, tandis que la figure 4c montre le bandeau avec une batterie d'alimentation 38 à l'arrière, ainsi qu'un dispositif de fixation 39 de l'élastique de serrage. La figure 4d illustre une perspective avant du même bandeau illustrée dans les figures 4a-4c, où l'on voit distinctivement la lampe 40 située à l'avant et la batterie 38 en position arrière.The figure 4b illustrates the positioning of the headband on a user's head, without the lamp power supply battery, while the figure 4c shows the headband with a power supply battery 38 at the back, as well as a device 39 for fixing the elastic tightening. The figure 4d illustrates a front perspective of the same strip shown in the figures 4a-4c , where we can distinctly see the lamp 40 located at the front and the battery 38 in the rear position.

Les figures 5a et 5b montrent plus spécifiquement le détail d'un premier mode de réalisation simplifié d'un bandeau 50 comportant une alternance d'éléments semi-rigides déformables (en foncé) et d'éléments rigides (en clair), permettant la déformation du bandeau à longueur constante dans les trois plans (x, y), (x, z) et (y, z) et la variabilité des angles de courbures R1, R2 et R3, respectivement.The figures 5a and 5b show more specifically the detail of a first simplified embodiment of a strip 50 comprising an alternation of deformable semi-rigid elements (in dark) and rigid elements (in light), allowing the strip to be deformed at constant length in the three planes (x, y), (x, z) and (y, z) and the variability of the angles of curvature R1, R2 and R3, respectively.

La figure 5a montre plus spécifiquement la branche gauche du premier mode de réalisation qui comporte une partie avant semi-rigide 100, sur laquelle est fixée une pièce rigide dénommée « platine » servant de support, via une liaison pivot, à une lampe 101 comportant une ou plusieurs LED(s) associée(s) à un système optique et un circuit électronique correspondant. La partie avant pourra être extrudée.The figure 5a shows more specifically the left branch of the first embodiment which comprises a semi-rigid front part 100, on which is fixed a rigid part called "plate" serving as a support, via a pivot connection, for a lamp 101 comprising one or more LEDs (s) associated with an optical system and a corresponding electronic circuit. The front part can be extruded.

Le bandeau comporte, en outre, une partie arrière 116 rigide (claire) formant une partie arrière du bandeau. Alternativement, l'élément 116 pourra devenir semi-rigide pour s'adapter sur le plan xy.The band further comprises a rigid rear part 116 (clear) forming a rear part of the band. Alternatively, the element 116 could become semi-rigid to adapt to the xy plane.

Le bandeau comporte, sur sa branche de gauche, un premier élément rigide 111 (de rigidité supérieure à l'élément semi-rigide 100) ayant une première extrémité inférieure fixée à une première extrémité de la partie avant 100, ainsi qu'une seconde extrémité supérieure fixée à un second élément 112 semi-rigide (foncé, donc plus souple) . L'élément rigide 111 comporte, respectivement à ses deux extrémités inférieure et supérieure, deux éléments de passage 111a et 111b pour un premier élastique de serrage 150.The strip comprises, on its left branch, a first rigid element 111 (of greater rigidity than the semi-rigid element 100) having a first lower end fixed to a first end of the front part 100, as well as a second end upper attached to a second semi-rigid element 112 (dark, therefore more flexible). The rigid element 111 comprises, respectively at its two lower and upper ends, two passage elements 111a and 111b for a first elastic clamp 150.

Le second élément semi-rigide 112 comporte une première extrémité fixée à la seconde extrémité du premier élément 111 et une seconde extrémité fixée à une première extrémité d'un troisième élément rigide 113 servant de point de passage de l'élastique 150 provenant de l'éléments 111b de la branche gauche.The second semi-rigid member 112 has a first end attached to the second end of the first member 111 and a second end attached to a first end of a third rigid member 113 serving as a point of passage for the elastic 150 coming from the elements 111b of the left branch.

Le bandeau comporte ensuite un quatrième élément souple (semi-rigide) 114 disposant d'une première extrémité supérieure fixée à une seconde extrémité du troisième élément 113 et d'une seconde extrémité fixée à un cinquième élément rigide 115 permettant la fixation du premier élastique 150 provenant du point de passage 111a.The band then comprises a fourth flexible element (semi-rigid) 114 having a first upper end fixed to a second end of the third element 113 and a second end fixed to a fifth rigid element 115 allowing the fixing of the first elastic 150. coming from waypoint 111a.

La branche gauche du bandeau est fixée enfin à une première extrémité de l'élément rigide ou semi-rigide 116 formant la partie arrière du bandeau rigide/semi-rigide, via une seconde extrémité de l'élément rigide 115. Suivant le mode de réalisation considéré, la partie arrière 116 pourra être rigide ou semi-rigide en sorte que les éléments 115 et 116 pourront être de fabrication ou non. Lorsque la partie arrière 116 sera semi-rigide (foncé), alors le cinquième élément rigide 115 sera distinct de cette dernière. Au contraire, si la partie arrière 116 est rigide, les éléments 115 et 116 pourront être identiques.The left branch of the strip is finally fixed to a first end of the rigid or semi-rigid element 116 forming the rear part of the rigid / semi-rigid strip, via a second end of the rigid element 115. According to the embodiment considered, the rear part 116 may be rigid or semi-rigid so that the elements 115 and 116 may or may not be manufactured. When the rear part 116 will be semi-rigid (dark), then the fifth rigid element 115 will be distinct from the latter. On the contrary, if the rear part 116 is rigid, the elements 115 and 116 may be identical.

La figure 5b illustre le détail de la branche droite du bandeau qui est, comme on le voit, parfaitement symétrique par rapport à la branche gauche. On voit dans la figure 5d que la branche droite comporte un sixième élément rigide 121 ayant une première extrémité inférieure fixée à une seconde extrémité de la partie avant 100 ainsi qu'une seconde extrémité supérieure fixée à une première extrémité d'un septième élément souple (semi-rigide) 122. L'élément rigide 121 comporte, respectivement à ses deux extrémités inférieure et supérieure, deux éléments de passage 121a et 121b pour un second élastique de serrage 151.The figure 5b illustrates the detail of the right branch of the headband which is, as can be seen, perfectly symmetrical with respect to the left branch. We see in the figure 5d that the right branch comprises a sixth rigid element 121 having a first lower end fixed to a second end of the front part 100 as well as a second upper end fixed to a first end of a seventh flexible (semi-rigid) element 122. The rigid element 121 comprises, respectively at its two lower and upper ends, two passage elements 121a and 121b for a second elastic clamp 151.

L'élément souple 122 comporte une première extrémité fixée à l'élément 121 et une seconde extrémité fixée à un huitième élément rigide 123 servant de point de passage de l'élastique 151 provenant de l'éléments 121b de la branche gauche.The flexible element 122 has a first end fixed to the element 121 and a second end fixed to an eighth rigid element 123 serving as a point of passage for the elastic 151 coming from the elements 121b of the left branch.

Le bandeau comporte ensuite un neuvième élément souple (semi-rigide) 124 disposant d'une première extrémité supérieure fixée à une seconde extrémité de l'élément 123 et d'une seconde extrémité inférieure située à une première extrémité d'un dixième élément rigide 125 et permettant la fixation du second élastique 151 provenant du point de passage 121a.The band then comprises a ninth flexible (semi-rigid) element 124 having a first upper end fixed to a second end of the element 123 and a second lower end located at a first end of a tenth rigid element 125 and allowing the fixing of the second elastic 151 coming from the passage point 121a.

La branche droite du bandeau est enfin fixée à l'élément arrière (semi-rigide) 116 qui forme l'arrière du bandeau rigide/semi-rigide via une seconde extrémité de l'élément rigide 125.The right branch of the strip is finally fixed to the rear (semi-rigid) element 116 which forms the rear of the rigid / semi-rigid strip via a second end of the rigid element 125.

Comme on le voit dans la figure, l'élément rigide 121 comporte, à ses deux extrémités 121a et 121b, les points de passage de l'élastique 151 permettant la contrainte sur le rayon de courbure R2 et, par conséquent, la déformation du bandeau dans le plan sagittal (x, z).As can be seen in the figure, the rigid element 121 comprises, at its two ends 121a and 121b, the points of passage of the elastic 151 allowing the stress on the radius of curvature R2 and, consequently, the deformation of the band. in the sagittal plane (x, z).

La figure 5c montre le positionnement du bandeau rigide/semi-rigide sur la tête d'un utilisateur avec, mis en évidence, le rôle des élastiques de serrage 150 et 151, permettant de venir contraindre la déformation du bandeau rigide/semi-rigide suivant les trois plans, en réduisant les rayons de courbures R1-R3 et finalement ajuster le serrage du bandeau sur la tête d'un utilisateur.The figure 5c shows the positioning of the rigid / semi-rigid band on the head of a user with, highlighted, the role of the tightening elastics 150 and 151, making it possible to constrain the deformation of the rigid / semi-rigid band according to the three planes , by reducing the radii of curvature R1-R3 and finally adjusting the tightness of the headband on the head of a user.

Ce premier mode de réalisation d'un bandeau rigide/semi-rigide illustré en détail dans les figures 5a et 5b s'avère parfaitement adapté pour la réalisation d'une lampe frontale légère, susceptible de maintenir en place une lampe frontale 101 située à l'avant et, à l'arrière, une batterie d'alimentation 130 même volumineuse.This first embodiment of a rigid / semi-rigid strip illustrated in detail in the figures 5a and 5b is perfectly suited for producing a light headlamp, capable of holding in place a headlamp 101 located at the front and, at the rear, a power supply battery 130, even bulky.

Les caractéristiques technologiques des lampes frontales sont aujourd'hui telles que l'on a tendance à associer des sources lumineuses de type LED relativement légère - mais néanmoins de forte luminosité - avec une batterie d'alimentation relativement lourde. C'est ainsi que l'on note une différence significative de poids entre le poids de la lampe 101 présente à l'avant du bandeau et celui de la batterie 130 disposée à l'arrière.The technological characteristics of headlamps are today such that there is a tendency to combine relatively light - but nevertheless high luminosity - LED-type light sources with a relatively heavy supply battery. This is how we notice a difference significant weight between the weight of the lamp 101 present at the front of the strip and that of the battery 130 disposed at the rear.

Il en résulte un déséquilibre assez important qui peut être source d'inconfort et de gêne pour l'utilisateur, surtout dans certaines situations de mouvements intenses, comme par exemple lors d'une course à pied.This results in a fairly significant imbalance which can be a source of discomfort and discomfort for the user, especially in certain situations of intense movement, such as, for example, when running.

Pour augmenter significativement la sensation de confort, mais également l'équilibrage de la lampe frontale, le bandeau rigide/semi-rigide est équipé, comme on va le voir à présent avec les figures 6 et suivantes, d'un dispositif d'équilibrage parfaitement spécifique qui, s'il se montre parfaitement adapté au type de bandeau rigide/semi-rigide pourra néanmoins être installé sur tout type de bandeau plus conventionnel.To significantly increase the feeling of comfort, but also the balancing of the headlamp, the rigid / semi-rigid headband is equipped, as we will see now with the figures 6 and following, of a perfectly specific balancing device which, if it proves to be perfectly suited to the type of rigid / semi-rigid strip, could nevertheless be installed on any type of more conventional strip.

La figure 6 illustre une vue de dessus d'un premier mode de réalisation préféré d'un bandeau rigide/semi-rigide doté d'un dispositif d'équilibrage des charges.The figure 6 illustrates a top view of a first preferred embodiment of a rigid / semi-rigid strip provided with a load balancing device.

Le dispositif comporte deux brins 200 et 300, non extensibles, dotés chacun d'une première extrémité (resp. 210, 310) et d'une seconde extrémité (resp. 220, 320).The device comprises two strands 200 and 300, non-extensible, each provided with a first end (resp. 210, 310) and a second end (resp. 220, 320).

La première extrémité 210 (point A) du brin 200 est fixée sur une partie avant de la branche gauche du bandeau tandis que la seconde extrémité 220 (point B) du brin 200 est fixée à un élément arrière du bandeau. D'une manière similaire, la première extrémité 310 (point A') du brin 300 est fixée sur une partie avant de la branche droite du bandeau tandis que la seconde extrémité 320 (point B') du brin 300 est fixée à un élément arrière du bandeau.The first end 210 (point A) of the strand 200 is fixed to a front part of the left branch of the band while the second end 220 (point B) of the strand 200 is fixed to a rear element of the band. In a similar manner, the first end 310 (point A ') of the strand 300 is fixed to a front part of the right branch of the headband while the second end 320 (point B') of the strand 300 is fixed to a rear member. of the headband.

Dans un mode de réalisation particulier, les points de fixation A, B, A' et B' pourront être permanent ou amovible, par exemple par clipsage, nœud etc...In a particular embodiment, the fixing points A, B, A 'and B' may be permanent or removable, for example by clipping, knot, etc.

Alternativement, le bandeau peut comporter une pluralité de position de clipsage permettant de fixer les éléments d'attache à plusieurs endroits possibles.Alternatively, the strip may include a plurality of clipping positions making it possible to fix the fastening elements at several possible locations.

Par ailleurs, les deux brins sont enfilés à l'intérieur d'un élément 400, de préférence coulissant, permettant de réaliser une jonction C entre les deux brins 200 et 300. L'élément coulissant 400 pourra être réalisé en un matériau quelconque (plastique, métal, textile) de forme diverses (anneau, textile). Dans un mode de réalisation particulier, l'élément coulissant pourra être constitué de deux poulies dont les axes sont parallèles et sensiblement verticaux.Furthermore, the two strands are threaded inside an element 400, preferably sliding, making it possible to produce a junction C between the two strands 200 and 300. The sliding element 400 may be made of any material (plastic , metal, textile) of various shapes (ring, textile). In a particular embodiment, the sliding element may consist of two pulleys whose axes are parallel and substantially vertical.

La figure 7 illustre le principe de fonctionnement du dispositif d'équilibrage basé sur l'élément coulissant 400 qui permet de venir rapprocher les deux brins 200 et 300 en un point C. On observera également que les extrémités B et B' sont proches, tandis que les extrémités A et A' sont relativement distantes.The figure 7 illustrates the operating principle of the balancing device based on the sliding element 400 which makes it possible to bring the two strands 200 and 300 closer together at a point C. It will also be observed that the ends B and B 'are close, while the ends A and A 'are relatively distant.

Comme on le voit dans la figure 7, si les brins AB et A'B' sont placés de façon à ce que chacun forme un angle droit (à la précision près de la poulie), alors pour une unité de déplacement supplémentaire sur le segment β, deux unités sont perdues sur le segment a. On constate donc que le coulissement de l'élément coulissant 400 - tel un curseur - vient contribuer au serrage ou, à l'inverse, au desserrage des branches droite et gauche du bandeau rigide/semi-rigide, venant ainsi coopérer avantageusement avec le serrage déjà possible via les élastiques 150 et 151.As seen in the figure 7 , if the strands AB and A'B 'are placed so that each forms a right angle (to the precision near the pulley), then for an additional unit of displacement on the segment β, two units are lost on the segment a. It can therefore be seen that the sliding of the sliding element 400 - like a slider - contributes to the tightening or, conversely, to the loosening of the right and left branches of the rigid / semi-rigid strip, thus cooperating advantageously with the tightening. already possible via the elastic bands 150 and 151.

Il en résulte un double effet technique, à savoir un ajustement complémentaire du bandeau sur la tête de l'utilisateur et également la mise en place d'un élément de maintien supplémentaire réalisé par l'élément 400 et les deux brins prenant appui sur la tête de l'utilisateur.This results in a double technical effect, namely a complementary adjustment of the headband on the user's head and also the establishment of an additional retaining element produced by the element 400 and the two strands resting on the head. of the user.

Ce qui assure une meilleure disposition des charges même lorsque les poids respectifs de la source lumineuse 101 et de la batterie 130 s'avèrent être très distincts.This ensures a better arrangement of the loads even when the respective weights of the light source 101 and of the battery 130 turn out to be very different.

Dans des modes de réalisation particuliers, on choisira des brins 200 et 300 légèrement élastiques, assez larges pour assurer un confort pour l'utilisateur, et suffisamment fins pour ne pas alourdir de manière excessive le poids du bandeau. L'élément coulissant 400 pourra être réalisé en plastique injecté avec une forme étudiée pour le confort de l'utilisateur, en particulier exposant des larges surfaces affinées et galbées pour un contact optimal avec la tête de l'utilisateur.In particular embodiments, strands 200 and 300 will be chosen which are slightly elastic, wide enough to ensure comfort for the user, and thin enough not to excessively increase the weight of the headband. The sliding element 400 may be made of injected plastic with a shape designed for the comfort of the user, in particular exposing large surfaces that are refined and curved for optimum contact with the user's head.

Dans un mode de réalisation particulier, on dote l'élément coulissant 400 d'un mécanisme de serrage des brins 200 et 300, ce qui permet d'accentuer encore les possibilités d'ajustage du bandeau. Les extrémités A, B, A' et B' sont équipées d'éléments de fixation sur le bandeau rigide/semi-rigide respectivement 210, 220, 310 et 320 qui pourront être fixes ou amovibles par clipsage par exemple, en sorte que le dispositif d'équilibrage basé sur l'élément coulissant 400 pourra être lui-même un accessoire amovible, utile pour certaines activités. Ainsi, pour des activités plutôt « statiques », l'on pourra utiliser la lampe frontale sous sa forme « épurée », telle que représentée dans les figures 5a et 5b. En revanche, si l'utilisateur souhaite s'adonner à une activité plus « dynamique », comme par exemple la course à pied, il trouvera un avantage appréciable dans la mise en place du dispositif d'équilibrage basé sur les deux brins 200 et 300 et l'élément coulissant 400.In a particular embodiment, the sliding element 400 is provided with a mechanism for tightening the strands 200 and 300, which makes it possible to further accentuate the possibilities of adjusting the band. The ends A, B, A 'and B' are equipped with fixing elements on the rigid / semi-rigid strip respectively 210, 220, 310 and 320 which can be fixed or removable by clipping for example, so that the device balancing element based on the sliding element 400 may itself be a removable accessory, useful for certain activities. Thus, for more “static” activities, we can use the headlamp in its “refined” form, as shown in the figures 5a and 5b . On the other hand, if the user wishes to engage in a more "dynamic" activity, such as for example running, he will find an appreciable advantage in the implementation of the balancing device based on the two legs 200 and 300. and the sliding element 400.

Plusieurs variantes sont possibles pour la disposition précise des points de fixation A, B, A' et B'.Several variants are possible for the precise arrangement of the fixing points A, B, A 'and B'.

Dans un mode de réalisation particulier, on viendra positionner les points de fixation sur des éléments rigides composants le bandeau rigide/semi-rigide. Alternativement, ils pourront être positionnés sur des éléments plus souples.In a particular embodiment, the fixing points will be positioned on the rigid elements making up the rigid / semi-rigid strip. Alternatively, they can be positioned on more flexible elements.

Les figures 8a, 8b, 8c, 8d et 8e illustrent plusieurs vues de perspective d'un second mode de réalisation d'un bandeau rigide/semi-rigide plus sophistiqué, comportant des points de fixation A et A' respectivement fixés sur la partie avant, tandis que les deux points de fixation arrière B et B' sont disposés sur les éléments 113 et 123 des branches gauche et droite du bandeau.The figures 8a, 8b , 8c, 8d and 8th illustrate several perspective views of a second embodiment of a more sophisticated rigid / semi-rigid strip, comprising fixing points A and A 'respectively fixed on the front part, while the two rear fixing points B and B 'are arranged on the elements 113 and 123 of the left and right branches of the strip.

De préférence, les points de fixation sont réalisés au moyen de clips qui sont configurés pour pouvoir être placés dans une ou plusieurs encoches disposées sur les côtés du bandeau de manière à permettre une fixation réglable. Alternativement, les points de fixation pourront être également réalisés au moyens de coulisseaux permettant un déplacement latéral des points de fixation sur chaque côté du bandeau de maintien de la lampe frontale.Preferably, the fixing points are made by means of clips which are configured to be able to be placed in one or more notches arranged on the sides of the band so as to allow an adjustable fixing. Alternatively, the attachment points could also be produced by means of sliders allowing lateral displacement of the attachment points on each side of the headlamp retaining strip.

La figure 9 illustre la manière d'obtenir, à mesure du coulissement de l'élément coulissant 400 (point C), diverses possibilités d'ajustement du bandeau sur la tête de l'utilisateur. Comme on le voit, selon la position du pont C, les brins 200 et 300 viennent progressivement épouser la forme de la tête. Les efforts sont ainsi répartis en bonne partie sur le dessus de la tête, augmentant le confort et la stabilité de la lampe frontale.The figure 9 illustrates how to obtain, as the sliding element 400 (point C) slides, various possibilities for adjusting the headband on the user's head. As can be seen, depending on the position of the bridge C, the strands 200 and 300 gradually come to match the shape of the head. The forces are thus distributed in good part on the top of the head, increasing the comfort and the stability of the headlamp.

Les figures 10, 11 et 12 illustrent la manière dont un utilisateur peut, grâce à la disposition avantageuse de l'invention, venir positionner la lampe frontale sur sa tête et provoquer l'ajustement du bandeau en venant manipuler l'élément coulissant 400 avec une seule main.The figures 10, 11 and 12 illustrate how a user can, thanks to the advantageous arrangement of the invention, position the headlamp on his head and cause the headband to be adjusted by manipulating the sliding element 400 with one hand.

L'on obtient ainsi un ajustement extrêmement commode de la lampe frontale.An extremely convenient adjustment of the headlamp is thus obtained.

La figure 13 illustre un troisième mode de réalisation dans lequel on vient faire coïncider les points d'attaches B et B' sur la batterie 130, lorsque cette dernière est disposée à l'arrière de la lampe frontale. Alternativement, on pourra prévoir cette disposition même en l'absence de batterie à l'arrière, lorsque la lampe frontale comporte, par exemple, une batterie déportée. Dans ce cas les points d'attache pourront être avantageusement fixés à des points d'attache arrière du bandeau.The figure 13 illustrates a third embodiment in which the attachment points B and B 'are made to coincide on the battery 130, when the latter is disposed at the rear of the headlamp. Alternatively, this arrangement could be provided even in the absence of a battery at the rear, when the headlamp comprises, for example, a remote battery. In this case, the attachment points may advantageously be fixed to rear attachment points of the strip.

Dans la configuration de la figure 14, illustrant un quatrième mode de réalisation, le dispositif d'équilibrage des charges comporte un point d'attache à l'arrière qui est basé sur le « tanka » servant usuellement au réglage du bandeau. Dans cette configuration, l'élément coulissant 400 pourra être remplacé par une couture, comme dans l'exemple des figures 16a et 16b, et c'est le même « tanka » qui sert au règlage du bandeau qui permet également le réglage du dispositif d'équilibrage de charges. On peut ainsi obtenir également un équilibrage des charges et ce d'une manière particulièrement simple, sans avoir à recourir à l'élément coulissant 400.In the configuration of the figure 14 , illustrating a fourth embodiment, the load balancing device comprises an attachment point at the rear which is based on the “tanka” usually used to adjust the headband. In this configuration, the sliding element 400 can be replaced by a seam, as in the example of figures 16a and 16b , and it is the same "tanka" which is used to adjust the headband which also allows the adjustment of the load balancing device. It is thus also possible to obtain a balancing of the loads and this in a particularly simple way, without having to resort to the sliding element 400.

Les figure 15a à 15c illustrent trois variantes différentes de l'élément coulissant 400.The figure 15a to 15c illustrate three different variants of the sliding element 400.

La figure 15a rappelle la forme préférée de l'élément coulissant 400 qui est la forme utilisée dans les modes de réalisation qui ont été décrits en relation avec les figures précédentes.The figure 15a recalls the preferred form of the sliding element 400 which is the form used in the embodiments which have been described in relation to the preceding figures.

La figure 15b illustre une seconde variante dans laquelle l'élément coulissant 500 comporte deux coulisseaux indépendants, respectivement basés sur deux parties 510 et 520, respectivement gauche et droite, dans lesquelles viendrait s'enfiler chacun des deux brins 200 et 300. Chacune des parties 510 et 520 pourrait ainsi coulisser le long des deux brins, afin de faire apparaître deux points de jonction C et C'. Une telle disposition s'avère particulièrement avantageuse lorsque les points d'attache arrières sont particulièrement éloignés, comme cela est illustré dans le second mode de réalisation des figures 8a-8e, puisqu'il devient possible de procéder au réglage du dispositif en faisant coulisser indépendamment chacune des parties 510 et 520. Avec ainsi une double possibilité de réglage, à l'avant et à l'arrière, avec une « ouverture de triangle » tant à l'avant qu'à l'arrière. En outre, de préférence, le double coulisseau formé par les parties 510 et 520 est réalisé en matériau plastique déformable, ce qui permet d'obtenir deux coulisseaux déformable sous la tension des brins 200 et 300, qui pourrait ainsi faciliter le serrage du dispositif de répartition de charge par simple frottement ou friction sur les parties 510 et 520 déformables. Ainsi, avec cette disposition, il n'est pas nécessaire de prévoir un mécanisme de serrage/blocage spécifique des brins 200 et 300, comme cela pourrait être le cas dans la configuration de la figure 15a.The figure 15b illustrates a second variant in which the sliding element 500 comprises two independent slides, respectively based on two parts 510 and 520, respectively left and right, into which each of the two strands 200 and 300 would slip. Each of the parts 510 and 520 could thus slide along the two strands, in order to reveal two junction points C and C '. Such an arrangement proves to be particularly advantageous when the rear attachment points are particularly far apart, as illustrated in the second embodiment of the figures 8a-8e , since it becomes possible to adjust the device by independently sliding each of the parts 510 and 520. Thus with a double possibility of adjustment, at the front and at the rear, with a "triangle opening" both front than back. In addition, preferably, the double slide formed by the parts 510 and 520 is made of deformable plastic material, which makes it possible to obtain two slides which can be deformed under the tension of the strands 200 and 300, which could thus facilitate the clamping of the clamping device. load distribution by simple friction or friction on the deformable parts 510 and 520. Thus, with this arrangement, it is not necessary to provide a specific clamping / blocking mechanism for the strands 200 and 300, as could be the case in the configuration of the figure 15a .

Dans la troisième variante de la figure 15c , l'élément coulisseau comporte trois parties distinctes indéformables, à savoir un élément gauche 610, un élément central 620 et un élément droit 630, permettant de provoquer des changements de direction significatifs de chacun des deux brins 800 et 900 utilisés pour relier les points d'attaches A, A', B et B' sur le bandeau de maintien. Ainsi, l'on obtient grâce à cette configuration un croisement des liens et un frottement assez important permettant le serrage du dispositif sur le crâne de l'utilisateur.In the third variant of the figure 15c , the slide element comprises three distinct undeformable parts, namely a left element 610, a central element 620 and a right element 630, making it possible to cause significant changes in direction of each of the two strands 800 and 900 used to connect the points of 'attachments A, A', B and B 'on the support band. So we get thanks in this configuration a crossing of the links and a fairly high friction allowing the device to be tightened on the user's skull.

Enfin, les figures 16a et 16b illustrent un cinquième mode de réalisation d'un dispositif d'équilibrage de charge, dans lequel on dispose, à la place du coulisseau 400 présent sur les deux brins 200 et 300 - seul le brin 200 étant représenté dans la figure 16b - une couture 1010 pour relier les deux brins 200 et 300 en un point fixe C. Le point d'attache A est concrétisé, dans ce mode de réalisation, par un textile disposé sur le bandeau de maintien comportant un passant 1020 dans lequel vient s'enfiler le brin 200 pour ensuite aller rejoindre une fixation sur un élément coulissant 1030 positionné sur le bandeau. L'on obtient ainsi, grâce à cette configuration, une possibilité de réglage simple et néanmoins efficace.Finally, the figures 16a and 16b illustrate a fifth embodiment of a load balancing device, in which there is, instead of the slide 400 present on the two strands 200 and 300 - only the strand 200 being shown in the figure. figure 16b - a seam 1010 to connect the two strands 200 and 300 at a fixed point C. The attachment point A is embodied, in this embodiment, by a textile placed on the retaining band comprising a loop 1020 in which comes s 'Thread the strand 200 to then go to join a binding on a sliding element 1030 positioned on the band. By virtue of this configuration, we thus obtain a possibility of adjustment which is simple and nevertheless effective.

Claims (10)

  1. Headlamp comprising:
    - a retaining band;
    - a light source (40, 101) located at the front of said retaining band; and
    a load balancing device comprising two strands (200, 300) comprising:
    - a first strand (200) comprising a first end (A) and a second end (B) respectively fixed on a front point (210) and a left rear point (220) of said band ;
    - a second strand (300) comprising a first end (A') and a second end (B') respectively fixed to a front point (310) and a right rear point (320) of said band;
    - an element (400,500) in which are inserted said first and second strands (200, 300) in order to bring the two strands together at a point C,
    characterized in that said headlamp further includes a battery (38, 130) located at the rear of said retaining band, and in which the element (400,500) is a sliding element into which are threaded said first and second strands (200, 300) in order to bring the two strands together at a point C
  2. The headlamp according to claim 1, wherein the element (500) comprises a first (510) and a second sliding member (520) along said first and second strands (200, 300) making it possible to double the adjustment possibility of the load balancing device..
  3. The headlamp according to Claim 1, characterized in that it comprises fixing elements which are removable, for example by clipping.
  4. The headlamp according to Claim 1, characterized in that the first ends (A, A') of said first and second strands (200, 300) are fixed via a sliding element making it possible to vary the position of points A and A' on the band.
  5. The headlamp according to Claim 1, characterized in that the second ends (B, B') of said first and second strands (200, 300) are closed to a single point located close to the battery at the rear of the band.
  6. The headlamp according to Claim 1, characterized in that the fixing elements are removable, for example by clipping.
  7. The headlamp according to Claim 1, characterized in that the band is of constant length, symmetrical with respect to a median sagittal plane, and comprises an alternation of rigid/semi-rigid elements to allow deformation in space and adjustment to the head of a user.
  8. The headlamp according to Claim 6, characterized in that the strip comprises:
    - a rigid/semi-rigid front part allowing deformability along a first plane (x, y);
    - a rigid/semi-rigid intermediate part allowing deformability along a second plane (x, z);
    - a rigid/semi-rigid rear part allowing deformability along a third plane (y, z);
    said band comprising elements allowing the fixing and the passage of a tightening elastic allowing to constrain the deformation of the rigid/semi-rigid band according to the three planes.
  9. The headlamp according to Claim 8, characterized in that the band comprises:
    - a front part (100) consisting of a first semi-rigid element;
    - a rear part (116) consisting of a rigid or semi-rigid element
    - a left branch consisting of:
    - a first rigid element (111) comprising a first lower end and a second upper end, wherein said first rigid element (111) has greater rigidity than that of the front (100) or rear (116) parts,
    wherein the first end of said first rigid element (111) is fixed to a first end of the front part (100), said first rigid element (111) comprising, respectively at its two lower and upper ends, a first and a second passage element (111a, 111b) for a first tightening elastic (150);
    - a second semi-rigid element (112) having a first end and a second end,
    wherein said first end of the second element (112) is fixed to the second end of said first element (111);
    - a third rigid element (113) having a first end and a second end and comprising a passage opening for said first tightening elastic (150) coming from the second passage element (111b) of the first element (111);
    wherein the first end said third member (113) is attached to the second end of said second member (112);
    - a fourth semi-rigid element (114) having a first end and a second end;
    wherein the first end of the fourth element (114) is fixed to the second end of said third element (113);
    - a fifth rigid element (115) having a first end and a second end;
    wherein the first end of the fifth element (115) is fixed to the second end of the fourth element (114);
    wherein the second end of the fifth element (115) is attached to a first end of the rear portion (116);
    wherein said fifth member (115) allows attachment of elastic (150) from the point of first passage element (111a) of said first element (111);
    a right branch consisting of:
    - a sixth rigid element (121) comprising a first lower end and a second upper end, wherein said sixth rigid element (121) has greater rigidity than that of the front (100) or rear (116) parts,
    wherein the first end of said sixth element (121) is fixed to a second end of the front part (100), said sixth element (121) comprising, respectively at its two lower and upper ends, a first passage element (121a) and a second passage element (121b) for a second tightening elastic (151);
    - a seventh semi-rigid element (122) having a first end and a second end,
    wherein said first end of the seventh element (122) is fixed to the second end of said sixth element (121);
    - an eighth rigid element (123) having a first end and a second end and comprising a passage orifice for said second tightening elastic (151) coming from the second passage element (121b) of the sixth element (121);
    wherein the first end said eighth member (123) is attached to the second end of said seventh member (122);
    - a ninth semi-rigid element (124) having a first end and a second end;
    wherein the first end of the ninth element (124) is fixed to the second end of said eighth element (123);
    - a tenth rigid element (125) having a first end and a second end;
    wherein the first end of the tenth element (125) is fixed to the second end of the ninth element (124);
    wherein the second end of the tenth element (125) is attached to a second end of the rear portion (116);
    wherein said tenth member (125) allows attachment of the second tightening elastic (151) originating from the point of the first passage member (121a) of said sixth member (121);
  10. The headlamp according to Claim 1, characterized in that the band is configured to allow the fixing of the first and/ or second ends of said first and second strands at various positions of the band.
EP19219943.8A 2018-12-31 2019-12-28 Balancing device improving the holding on the head of a head lamp Active EP3674596B1 (en)

Applications Claiming Priority (1)

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FR1874422A FR3091328A1 (en) 2018-12-31 2018-12-31 Balancing device improving the support on the head of a headlamp

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ES2899589T3 (en) 2022-03-14
CN111473257B (en) 2024-05-14
FR3091328A1 (en) 2020-07-03
EP3674596A1 (en) 2020-07-01
US11268681B2 (en) 2022-03-08
US20200208818A1 (en) 2020-07-02
CN111473257A (en) 2020-07-31

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