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EP0898728A1 - Monture metallique pour lunettes - Google Patents

Monture metallique pour lunettes

Info

Publication number
EP0898728A1
EP0898728A1 EP97922031A EP97922031A EP0898728A1 EP 0898728 A1 EP0898728 A1 EP 0898728A1 EP 97922031 A EP97922031 A EP 97922031A EP 97922031 A EP97922031 A EP 97922031A EP 0898728 A1 EP0898728 A1 EP 0898728A1
Authority
EP
European Patent Office
Prior art keywords
wire
pin
frame according
helical spring
mountings
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.)
Withdrawn
Application number
EP97922031A
Other languages
German (de)
English (en)
Inventor
Paolo Fortini
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.)
Bottega D Arte in Firenze Srl
Original Assignee
Bottega D Arte in Firenze Srl
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
Priority claimed from ITFI960116 external-priority patent/IT1286632B1/it
Priority claimed from IT96FI000305 external-priority patent/IT1286907B1/it
Application filed by Bottega D Arte in Firenze Srl filed Critical Bottega D Arte in Firenze Srl
Publication of EP0898728A1 publication Critical patent/EP0898728A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/008—Spectacles frames characterized by their material, material structure and material properties
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C1/00—Assemblies of lenses with bridges or browbars
    • G02C1/02—Bridge or browbar secured to lenses without the use of rims
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C1/00—Assemblies of lenses with bridges or browbars
    • G02C1/06—Bridge or browbar secured to or integral with closed rigid rims for the lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/22—Hinges
    • G02C5/2209—Pivot bearings and hinge bolts other than screws
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2200/00—Generic mechanical aspects applicable to one or more of the groups G02C1/00 - G02C5/00 and G02C9/00 - G02C13/00 and their subgroups
    • G02C2200/10—Frame or frame portions made from wire
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2200/00—Generic mechanical aspects applicable to one or more of the groups G02C1/00 - G02C5/00 and G02C9/00 - G02C13/00 and their subgroups
    • G02C2200/20—Friction elements

Definitions

  • the present invention relates to spectacle frames, with or without lens rims and at least partly made of wire.
  • the invention also relates to spectacles including said frames.
  • Another type of wire spectacle frame is disclosed in EP-B-0256098.
  • This type of frame includes a hinge between each side and the body of the frame (that is, the part on which the lenses are mounted): the hinge is made out of a first portion of wire wound into a helical spring, and a second portion of wire forming a hinge pin that fits axially into said helical spring.
  • the hinge pin is formed on a portion of wire attached to the lens, while the helical spring is formed by the end portion of the side of the specta ⁇ cles.
  • the length of the latter is such that it projects out of the helical spring and is bent to give an irreversible fastening between the two parts: the helical spring is retained between two bent segments of the wire that forms the axial pin pass ⁇ ing through the spring.
  • a frame comprising mountings for the lenses and a pair of templates or sides fastened to said mountings by means of respective hinges, in which each of said hinges is formed from a first portion of wire wound into a helical spring and from a second portion of wire forming a hinge pin that fits into said helical spring, one of said portions of wire extending to form the respective side and the other portion of wire having a connection member for the connection of the hinge to said mountings.
  • the portion of wire forming the side or template of the frame has a bend which defines a first abutment against the connection member, to prevent the pin from slipping out of the helical spring, and a second abutment to limit the maximum aperture of said side when it is made to oscillate around the hinge axis.
  • the portion of wire that forms the helical spring is integral with the lens mountings and the portion of wire that forms the hinge pin is represented by the end section of the side or template of the frame.
  • the bend formed by the end portion of the side or template of the frame is approximately 340-360°.
  • the second portion of wire which forms the pin of the respective hinge forms the respective side or template of the frame as well, and comprises a segment of wire that is inclined relative to said pin, is at a distance from it, and is screwed around the outer surface of the turns of said helical spring, thereby forming an axial fastening means. This gives an additional retention action between the template and the frame.
  • the sec ⁇ ond portion of wire may advantageously include an end section of approxi ⁇ mately straight wire forming the hinge pin, making a connecting curve at ap ⁇ proximately 80-90° to an approximately straight intermediate section which is connected in turn by said bend to said segment of wire that is inclined relative to said pin end section and positioned at a distance from said pin such as to create a frictional force between the segment of wire and the outer surface of the turns of the helical spring.
  • the first portion of wire and the second portion of wire may be made of from wires of different hardnesses, e.g. of steel and a titanium alloy, to avoid or reduce wear or seizing of the two portions due to the pivoting of the tem ⁇ plate with respect to the lens mounting portion of the frame.
  • the portion of wire extending to form the respective side acts as a resilient spring member which, cooperating with the other of said portions of wire, defines a position of stable equilibrium of the side when the latter is in its open position. This makes the use of the frame particularly comfortable and practical.
  • the bend formed by said wire lies in a plane which is almost parallel to the axis of the hinge, and the wire portion having said connection member for the connection to said mountings has a wire section which is approximately parallel to the hinge pin.
  • the wire portion extending to form the respective side rests on said O 97/43683 PCMT97/00109
  • the invention also relates to spectacles comprising a pair of lenses and a frame as described above. Brief description of the drawings
  • FIG. 1 shows a front view of a pair of spectacles fitted with a frame ac ⁇ cording to the invention
  • Fig 2 shows an enlargement of a portion of Fig 1 , in which the joint be ⁇ tween a side and the lens attachment means can be seen,
  • Fig 3 shows an enlarged side view on Ill-Ill as marked in Fig. 2;
  • Fig 4 shows a local plan view on IV-IV as marked in Fig 1 ,
  • Fig. 5 shows a local section on V-V as marked in Fig. 2
  • Figs. 6, 7 and 8 show three stages in the assembly of the side
  • Fig 9 shows an intermediate bridge between the two lenses in one em ⁇ bodiment
  • Fig 10 shows the intermediate bridge between the two lenses in a sec ⁇ ond embodiment
  • Fig 11 shows a section on XI-XI as marked in Fig 10
  • Fig. 12 shows a view of the bridge in a third embodiment
  • Fig 13 shows a view on XIII-XIII as marked in Fig. 12
  • Fig 14 shows a local section on XIV-XIV as marked in Fig 13,
  • Fig. 15 shows another embodiment of the bridge;
  • Fig 16 shows a local section on XVI-XVI as marked in Fig 15,
  • Fig. 17 shows a front view of a pair of spectacles fitted with a frame ac ⁇ cording to the invention in a further embodiment;
  • Fig 18 shows an enlargement of Fig.17;
  • Fig 19 shows a side view according to line XIX-XIX in Fig 17;
  • Figs. 20, 21 , 22 show a plan view of the hinge of the frame of Fig 17 in three different positions;
  • Fig. 23 shows a side view of yet another embodiment; of the frame ac ⁇ cording to the invention;
  • Fig.24 shows a side view of a further embodiment of the frame of the in ⁇ vention with the side in open position;
  • Fig. 25 shows a plan view according to line XXV-XXV in Fig.24;
  • Fig. 26 shows a side view similar to Fig.24, with the side in closed posi ⁇ tion;
  • Fig. 27 shows a plan view according to line XVII-XVII in Fig.26.
  • Detailed description of the preferred embodiments The invention will be described hereinafter with reference to a rimless frame, but it will be understood that the same inventive concepts can also be applied to a rim-type frame or to one with half-rims around the lenses.
  • the frame comprises a pair of sides 1 , 3 hinged by means of hinges 5 and 7 to intermediate components 9 and 11 for the fastening of the lenses L of the spectacles.
  • the lenses L are linked to ⁇ gether by an intermediate bridge 13 to which pads 15 which rest on the nose are attached.
  • the intermediate components 9, 11 and the sides 1 , 3 are made of wire and preferably the wire that forms the components 9, 11 has a different hard- ness to that of the wire that forms the sides 1 , 3 in order to avoid problems of sticking.
  • Component 11 comprises (see in particular Figs. 4 and 5) an approximately straight end 11A which is used to mount that particular lens L in the manner described later. Joining the end 11A is a straight middle portion 1 1 B approximately at right angles to the portion 11A and a further portion 11 C terminating in an end forming a helical winding 11 D (Figs. 2 and 3) which will be referred to as a "spring" in the context of the present description.
  • the portion 11 C forms a connection member which connects the hinge to the devices which provide for the mounting of the lenses to the frame and which will be described later on.
  • the helical spring 11 D is the first component of the hinge 7.
  • the end of the wire forming the side 3 is shaped in such a way that its essentially straight end section forms the pin 3A; the latter is connected to an approxi ⁇ mately straight intermediate section 3B angled at approximately 80-90° rela- tive to the pin.
  • the intermediate section 3B is connected in turn by an ap ⁇ proximately 360° bend 3C to a segment of wire 3D that is inclined relative to the hinge pin end section 3A and positioned at a distance from the pin 3A that is slightly less than the diameter of the wire forming the helical spring 11D.
  • the connection between the side 3 and the intermediate component 11 is made with the following sequence of operations, clearly illustrated in Figs. 6, 7 and 8: the side 3 is brought towards the mating component with an orientation such that its rearmost portion 3X (which fits behind the ear when in use) is towards the front, in other words in front of the lenses L (Fig. 6). In this position the pin 3A is inserted (in the direction of arrow F in Fig.
  • Fig. 8 corresponds to the position of maximum opening of the side 3. It is defined by the stopping of the bend 3C against the O 97/43683 PCMT97/00109
  • the abut ⁇ ment prevents removal of the pin 3A from the coils of the helical spring 11 D. Rotation in the opposite direction to arrow F1 , with the side 3 being passed under its lens L, also enables easy dismantling of the side should re ⁇ pair or replacement be required. This operation is also done without the help of any kind of tool.
  • the approximately straight end 11 A of the intermediate component 11 is inserted through a transverse hole 21 F (Fig. 5) in a tie bearing the general reference 21.
  • the tie is made up of two parts, specifically an internally threaded sleeve 23 with a hexagonal head 23A (or some equivalent) to enable it to be screwed by a tool.
  • Engaged in the threaded hole of the sleeve 23 is a screw member 25 in whose head 25A the transverse hole 21 F is made. Screwing the threaded member 25 into the sleeve 23 clamps the intermediate component 11 to the lens L.
  • a washer 27 (which may be elastic) interposed between the portion 11 A of the component 11 and the rear surface of the lens L prevents direct contact between the wire and the lens and so prevents dam- age to the lens.
  • Another washer (not shown) may be interposed between the hexagonal head 23A and the front surface of the lens L. Both washers may be of metal.
  • This mounting system is highly effective as it enables the relative posi- tion of the intermediate component 11 with respect to the lens L to be ad ⁇ justed, so that any errors made when making the hole in the lens L for the tie 21 can be compensated for.
  • a similar clamping system is used to fasten the intermediate bridge 13 to the two lenses L.
  • Figs. 10 and 11 show an embodiment in which the bridge 13 comprises two symmetrical ends 13B, each of which fits into a transverse hole in the head 31 of a threaded member 30 engaged in a threaded sleeve 33 passing through a hole formed in the corresponding lens L.
  • the two components 31 and 33 thus form a tie, bearing the general reference 32, which is essentially equivalent to the tie 21.
  • Integral with the threaded member 30 are two brack ⁇ ets 35 supporting the pads 15 that rest on the nose.
  • Fig. 9 shows a version in which a single wire forms the bridge 13 and two brackets to which the pads 15 are attached. Assembly is by means of two ties 30 similar to those described with reference to Figs. 10 and 11.
  • Figs. 12, 13 and 14 show an improved embodiment in which the support ⁇ ing brackets 35 of the pads 15 are not welded to the clamping ties 32, but in ⁇ stead have ends 35A that fit into the same hole into which the ends 13A of the bridge 13 are inserted.
  • Figs. 13 and 14 show in greater detail the clamping tie of one end 13A of the bridge 13.
  • the end portions 13A of the bridge and the ends 35A of each bracket 35 are compressed in such a way as to reduce the cross-section of the wire in order to accommodate both wires forming the bridge 13 and the bracket 35 in the same transverse hole in the threaded member 30.
  • the cross-section of the end portions of the bridge and of the brackets is bounded by an arc of a circle and a straight line, the latter corresponding to a flattening of that particular wire.
  • the bridge and the brackets 35 are in contact over these flattened portions.
  • Figs. 15 and 16 the wire that forms the bridge 13 and portions 13A that fit into the ties 32 extends so as also to form the brackets 35 to which the nose support pads are attached.
  • this version it is possible to adjust the po ⁇ sition of the lenses L and of the bridge 13, but the relative positions of the pads 15 and bridge 13 remains fixed, except for the adjustments permitted by the deformability of the brackets 35.
  • the system described herein al ⁇ lows any errors in the positioning of the holes through which the ties 32 pass, with respect to the edges of the lenses L, to be compensated for.
  • Figs. 17 to 22 show a modified embodiment of the spectacle frame ac- cording to the invention. Also in this case the frame is of the rimless type, but it should be understood that this is only a non limiting example.
  • the frame includes a pair of sides or templates 101 , 103, hinged by means of hinges 105, 107 to intermediate components 109 and 111 for the fastening of the lenses L of the spectacle.
  • the lenses L are linked together by an intermediate bridge 113 to which pads 115 which rest on the nose are at ⁇ tached.
  • the intermediate components 109, 111 and the sides 101 , 103 are made of wire, if requested in two different alloys in order to avoid seizure and wear phenomena.
  • the two intermediate components 109, 111 may have any desired shape and are not described in detail, but only to the extent which is related to the hinge for the sides 101 , 103.
  • the intermediate components could also be formed by the end portions of wires forming the rims of the lenses, or other. They could also be portions of wire integral with a rim made of plastic or other material (e.g. soldered metal rather than bent wire) in which the lenses are mounted.
  • the two intermediate components 109, 111 are symmetrical and for the sake of simplicity only the component 111 will be described.
  • the wire portion forming the intermediate component 111 in ⁇ cludes a terminal portion having a reversed U-shape with an approximately straight wire portion 111 A and a wire portion 111 B parallel thereto, forming the pin of the respective hinge 107, the axis of which is designated A-A.
  • a wire portion designated 111C serves as a connection member for the hinge to the front part of the frame, where the lenses L are mounted.
  • Each side 101 , 103 is made of a shaped wire. It should be understood, however, that for the purpose of the present invention it is sufficient for the portion of each side which is nearer to the respective hinge to be made of wire.
  • the two sides are symmetrical and only the side 103 will be described in detail.
  • the portion of wire which forms the side 103 has a bend 103A of approximately 360°.
  • 103B and 103C designate two approximately straight portions of wire which converge into the bend 103A.
  • the portion 103C ends with an eyelet 103D actually formed by a series of helical turns which are in mutual contact and which form in essence a com- pressed helicoidal spring.
  • the pin 111 B formed by the wire section of the intermediate component 111 is arranged inside the helical spring 103D.
  • the members 103 and 111 B make up the very hinge which con ⁇ nects the intermediate component 111 and the side 103.
  • the wire forming the side 103 is slightly curved at 103E between the portion 103B and the central portion of the side itself.
  • the wire forming the side 103 rests with its curved section 103E on the portion of wire 111A and is pressed against the latter when the side 103 is rotated toward the opened position.
  • the opening movement is repre- sented in the sequence of Figs 20 to 22 in Fig 20 the side 103 is closed, in Fig 21 the side is in an intermediate position and in Fig 22 the side is open
  • the bend 103A is elastically deformed, since the angle formed by the wire portions 103B, 103C varies from a minimum (Fig 20) to a maximum (Fig 21 ) and then decreases again (Fig 22)
  • the opened position of Fig 22 is therefore a posi ⁇ tion of stable equilibrium
  • From the position of Fig 21 the side 103 can be re ⁇ leased in the opened position of Fig 22 or in the closed position of Fig 20 by slightly pushing it in one direction or the other
  • the maximum opening position (Fig 22) is defined by an abutment formed by the bend 103A which rests on the intermediate component 111
  • Fig 23 shows a modified embodiment of the spectacle of Figs 17-22 wherein the helical spring or eyelet is formed by the wire which forms the in ⁇ termediate component 111 , while the pin of the hinge is formed by the wire of the side 103
  • the pin is shown at 103F and the eyelet is shown at 111 E
  • Figs 17 to 23 show a further embodiment of the frame according to the in ⁇ vention Corresponding parts are labeled with the same references numbers as in Figs 17-22, increased by hundred
  • the frame is of the type including a rim R around the lenses L
  • the intermediate component 211 has a connection member 211 C which connects the pin 211 B of the hinge 207 to the rim R surrounding the lens L
  • the wire forming the side or template 203 forms a bend 203A and a helical spring 203D

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)

Abstract

Cette monture de lunettes comprend des barres (9, 11) de montage des verres (L) et une paire de branches (1, 3) fixées à ces barres de montage au moyen de charnières correspondantes (5, 7) ayant un axe de rotation (A-A). Chacune de ces charnières est constituée par une première partie de fil métallique enroulée de façon à former un ressort hélicoïdal (11D) et par une seconde partie de fil métallique formant un pivot de charnière (3A) qui entre dans le ressort hélicoïdal. L'une de ces parties de fil se prolonge de façon à former la branche correspondante (3) et l'autre partie de fil métallique possède un élément de liaison (11C) qui la relie à la barre de montage (11). La partie de fil métallique formant la branche (3) présente un coude (3C) qui définit une première butée contre l'élément de liaison, afin de retenir le pivot (3A) à l'intérieur du ressort héliocoïdal (11D) et une seconde butée destinée à limiter l'ouverture maximale de la branche.
EP97922031A 1996-05-16 1997-05-13 Monture metallique pour lunettes Withdrawn EP0898728A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
ITFI960116 IT1286632B1 (it) 1996-05-16 1996-05-16 Montatura per occhiali in filo metallico
ITFI960116 1996-05-16
ITFI960305 1996-12-23
IT96FI000305 IT1286907B1 (it) 1996-12-23 1996-12-23 Montatura in filo metallico con cerniere elastiche per le aste
PCT/IT1997/000109 WO1997043683A1 (fr) 1996-05-16 1997-05-13 Monture metallique pour lunettes

Publications (1)

Publication Number Publication Date
EP0898728A1 true EP0898728A1 (fr) 1999-03-03

Family

ID=26330553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97922031A Withdrawn EP0898728A1 (fr) 1996-05-16 1997-05-13 Monture metallique pour lunettes

Country Status (3)

Country Link
EP (1) EP0898728A1 (fr)
JP (1) JP2000510257A (fr)
WO (1) WO1997043683A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITFI980088A1 (it) * 1998-04-15 1999-10-15 Bottega Arte Firenze Srl Complesso costituito da una montatura per occhiali e un supporto per lenti protettive da sole
IT1304872B1 (it) * 1998-07-15 2001-04-05 Bottega Arte Firenze Srl Montatura per occhiali con cerniera formata in filo metallico edocchiali comprendenti detta montatura
EP1039328A1 (fr) * 1999-03-22 2000-09-27 Bottega D'arte In Firenze S.R.L. Monture en fil métallique avec cercles pour lentilles et système pour fixer le cercle en fil aux charnières des branches
FR2810748B1 (fr) * 2000-06-21 2003-01-24 Lucal Lunettes
FR2826463B1 (fr) * 2001-06-21 2003-11-14 Francois Lambert Nouveau systeme de montage de branches de lunettes
US20050251960A1 (en) * 2002-07-01 2005-11-17 Paris Miki Inc. Spectacles hinge
TWI225554B (en) 2002-07-16 2004-12-21 21 Two One Co Ltd Eyeglass with simple connection structure and screwless hinge
US7029115B2 (en) * 2004-03-19 2006-04-18 Michael Toulch Rimless eyeglasses
ITBL20130001A1 (it) 2013-01-21 2014-07-22 Sergio Soppelsa Occhiale con astine a snodo magnetico e con spina di posizionamento
DE102013110075B4 (de) * 2013-09-12 2017-01-26 Temming Holding Gmbh Brillenbügelscharnier

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073020A (en) * 1988-12-19 1991-12-17 Paul Jorn Lindberg Eyeglasses having oblong receiving means
FR2723648B3 (fr) * 1994-01-10 1996-07-19 Diep Kok Yong Lunettes sans bords a moyen de fixation rigide
DE69501036T2 (de) * 1994-07-11 1998-03-12 Bottega Arte Firenze Srl Brillengestell mit verbessertem Brillenscharnier
JP2841164B2 (ja) * 1994-08-06 1998-12-24 株式会社ホリカワ 眼鏡における回動方法及びその回動機構
DK9400456U4 (da) * 1994-12-06 1996-03-06 Finn Nielsen Brille
IT1280837B1 (it) * 1995-03-31 1998-02-11 Pietro Devercelli Montatura perfezionata per occhiali.
AU5397096A (en) * 1995-04-21 1996-11-07 Pro Design International A/S Eyeglasses
EP0762178A1 (fr) * 1995-09-06 1997-03-12 Sinthesys S.r.l. Structure pour lunettes sans monture du type à fil

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9743683A1 *

Also Published As

Publication number Publication date
WO1997043683A1 (fr) 1997-11-20
JP2000510257A (ja) 2000-08-08

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