EP0795348B1 - In-line skate having a brake - Google Patents
In-line skate having a brake Download PDFInfo
- Publication number
- EP0795348B1 EP0795348B1 EP97810103A EP97810103A EP0795348B1 EP 0795348 B1 EP0795348 B1 EP 0795348B1 EP 97810103 A EP97810103 A EP 97810103A EP 97810103 A EP97810103 A EP 97810103A EP 0795348 B1 EP0795348 B1 EP 0795348B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chassis
- discs
- axle
- skate
- auxiliary
- 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.)
- Expired - Lifetime
Links
- 235000004443 Ricinus communis Nutrition 0.000 description 5
- 240000000528 Ricinus communis Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000037396 body weight Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/04—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs
- A63C17/06—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type
- A63C17/061—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type with relative movement of sub-parts on the chassis
- A63C17/062—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type with relative movement of sub-parts on the chassis with a pivotal frame or cradle around transversal axis for relative movements of the wheels
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/04—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs
- A63C17/06—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type
- A63C17/065—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type with movements during use of the foot plate or shoe relative to the chassis, e.g. inline clap skate
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/14—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches
- A63C17/1409—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches contacting one or more of the wheels
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/14—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches
- A63C2017/1463—Foot or toe operated
Definitions
- the present invention relates to a roller skate in line comprising at least three casters including minus the rear caster is mounted on a chassis auxiliary articulated on a main chassis supporting a shoe around an axis parallel to the axis of castors and a brake kinematically linked to the chassis auxiliary so as to brake at least the penultimate caster when tilting backwards skate on the penultimate roulette, and means elastic opposing this tilting.
- Such a skate is known from the EP patent application 0 677 310.
- the chassis auxiliary which constitutes a brake shoe coming in contact with the tread of the penultimate caster when tilting the main chassis on the penultimate roulette.
- the rear of the main chassis comes to rest on the last roulette to brake it.
- the weight of the skater works between the two rear casters. Ways opposing the tilting consist of a spring working in compression between the chassis and prestressed. A preload adjustment is immediately when necessary depending on the weight of the skater.
- the spring can also be fully prestressed to prevent the main chassis from tipping over relative to the auxiliary chassis, the shoe is then comprising as a sole frame skate to four casters and without brake.
- US Patent 5,375,859 describes a similar pad in which brake consists of two disc brakes mounted on each side of the rear caster, the braking by applying fixed discs rotating against crown-shaped discs in solidarity with roulette.
- the heat given off by the braking must be largely evacuated by the wheel itself and the heating of the wheel is such that it can be damaged.
- the present invention aims to obtain braking more regular, easier to control and without noticeable heating of the casters.
- the inline roller skate according to the invention is characterized in that the brake consists of a pair of opposite coaxial discs rotatably mounted and kept apart from each other by a means elastic, the facing faces of these discs being at less approximately frustoconical and intended for come into contact with both sides of the two casters rear for their rotational drive by the rear casters, braking being ensured for the friction of the discs on fixed parts of the pad in rotation and that the axis of these discs is located between the two rear castors, above the axes of these casters, and at equal distance from these axes, and that the mechanical connection between the discs and the chassis auxiliary is such that when tilting the pad backward, this axis descends towards the right connecting the axes of the two rear castors, so that the discs are applied to the two rear casters.
- the discs When braking, the discs are pulled down and applied to the two rear casters, which ensures regular pressure from the penultimate wheel on the disks.
- the discs being rotated by the two rear castors, braking is by friction between the discs and the main chassis.
- the discs are themselves made of a material used for brake linings and rub directly on one of the main chassis or on a metal disc fixed to the chassis, which avoids the heating of the rollers and promotes evacuation heat through the chassis.
- Figure 1 shows a skate according to a first form of execution, in rolling position no braked.
- Figure 2 is a partial sectional view along II-II in Figure 2 showing the brake discs.
- Figure 3 shows the same shoe in position braking.
- Figure 4 shows a suspension variant elastic of the first embodiment.
- FIG. 5 represents a skate frame according to a second embodiment.
- Figure 6 shows a third embodiment pad in unbraked rolling position.
- Figure 7 shows the same shoe in position braking.
- Figure 8 shows a fourth embodiment in the unbraked running position.
- FIG. 9 represents this same shoe in the position of braking.
- the skate shown in Figure 1 includes a frame main 1 consisting of a U-shaped part and cut so as to present a platform before 2 and a rear platform 3 which support a shoe 4.
- the chassis 1 is provided with two castors 5 and 6.
- Roulette 5 is in front of the front platform 2 while the caster 6 is located under the rear platform 3, so that its axis 7 is located under the heel of shoe 4.
- This chassis auxiliary 8 carries two casters 9 and 10, the caster 9 being located between the rollers 5 and 6 and the caster 10 behind the main chassis 1.
- the roulette 9 is optional.
- the auxiliary chassis 8 has two lights identical 11, opposite one another, located between the two rear casters 6 and 10, equal distance from the axes of the rollers 6 and 10 and extending perpendicular to the line connecting these axes.
- the lights 11 are crossed by an axis 12 of diameter corresponding to the width of these lights, this axis 12 carrying a pair of discs 13 whose faces in look are tapered ( Figure 2), these discs being freely mounted on the axis 12, at least axially, and being kept apart from each other, in support against the walls of the auxiliary chassis 8, by a elastic element 14.
- the axis 12 can therefore move vertically in the lights 11.
- the ends of the axes 12 are further engaged in a pair of lights 15 made in the main frame 1.
- the lights 15 are slightly tilted towards the penultimate roller 6.
- the discs 13 are, of preferably in a Ferodo type material (Brand deposited) and their flat outer faces are directly applied against the auxiliary chassis 8.
- the skate is also provided with an elastic means not shown opposing the tilting of the chassis main 1 on the auxiliary chassis 8.
- This means elastic may be, for example, a torsion spring mounted around axis 7 or a spring working in traction between the two chassis.
- the brake discs 13 are applied simultaneously on the two rear casters 6 and 10 and they are rotated by these rollers.
- the conical shape of the discs causes the spacing of discs by the casters and consequently the braking by friction of the discs against the auxiliary chassis 8.
- the lights 15 could be horizontal, but their tilting increases the descent by axis 12 by the cam effect which is added to the descent lights 15.
- FIG. 4 A variant of this first form shown in Figure 4.
- This variant does differ from the first embodiment as by the shape of the main frame 1 'and the mounting shoe 4 on this main chassis.
- the sole of the shoe is integral with a frame 16 articulated to the front of the chassis 1 'around a transverse axis 17 and vertically movable at the rear where a spring 18, or other elastic element, is interposed between the chassis 16 and the rear platform of the chassis 1 '.
- the frame 16 therefore has two parallel wings coming from each side of the chassis 1 '.
- the frolic of the shoe is limited, on each side of the frame 1 ', by two nipples 19 each engaged in lights vertical 20 of the frame 16.
- the lights 20 are at the magnitude of the axis of the caster 6.
- the chassis auxiliary 8 and the brake are identical to those of the first form of execution.
- auxiliary chassis 21 consisting of two plates parallel cut in the shape of a ring is hinged on a main frame 22 around an axis 23 located between the penultimate roulette 6 and the last roulette 10, slightly below the right joining the axis 24 of Roulette 6 and the axis 25 of Roulette 10 and equal distance from these axes.
- Auxiliary chassis plates 21 are articulated outside the main chassis 22.
- brake discs 13 is located above of axis 23, vertical to this axis (the shoe resting on a horizontal floor) and it is connected, of a share, to main frame 22 by a first pair of 26 articulated links at the rear of the main frame 22 around an axis 27 and, on the other hand, to the chassis auxiliary 21 by a pair of brake pads 28 articulated on the auxiliary chassis 21 around an axis 29 and corresponding mechanically to a second pair of rods.
- the lengths of all these links, measured between their axes of articulation, are identical, so that the axis 12 of the discs is at the same distance from axes 27 and 29.
- the distance between axes 23 and 29 is also equal to the distance between axes 23 and 27, so that the joints constitute a pantograph and that the axis 12 is always equidistant from axes 24 and 25 of casters.
- the brake pads 28, made of aluminum, are located inside the auxiliary chassis 21, in 30 oval cutouts in the main frame 22. The height of these cutouts 30 is sufficient to allow vertical movement of the brake pads 28.
- the axis 12 of the brake discs is also supported by a spring 31 resting on a stop 32 mounted on axis 23. Displacement of axis 12 upwards is limited by a stop 33 fixed to the main chassis 22.
- the tilting of the main chassis 22 on the penultimate roulette 6 has the effect of distorting the pantograph formed by the articulated system, such so that axis 12 descends towards axis 23.
- the brake discs 13 are then driven by the casters 6 and 10 and are applied against the trays brake 28.
- the shoe 4 is articulated on a main frame 34 around an axis 35 and a means elastic not shown offers resistance to rotation of the shoe 4 around this axis 35.
- the shoe 4 could however be rigidly mounted on the chassis 34.
- This chassis 34 consists of a U-shaped part, the wings of which are directed towards the top. The bottom of this profile is cut out for the passage of the casters 5, 9 and 6.
- the rear caster 10 is mounted at the rear end of a chassis auxiliary 36 consisting of two parallel plates articulated around an axis 37 on a shaped part 38 yoke whose bottom is located below axis 37.
- This yoke 38 is, on the other hand, articulated on the main frame 34 around an axis 39 located at the same level as the axis 37 and, like him, parallel to the axes casters. Axes 37 and 39 are located just above from the bottom of the yoke 38, this bottom being cut out for the passage of rollers 6 and 10. Inside the yoke 38 are rotatably mounted the discs of brake 13 around an axis 40. As can be seen in the figure 7, the yoke covers the ends of the chassis 34 and 36.
- a spring 41 consisting of a bar working in flexion leaning on one side on a stud 42 of the chassis main 34 and, on the other side, on a stud 43 presenting several facets allowing to adjust the pretension of the spring 41.
- the spring rests on the ends of axes 37 and 39 with an adjustable preload by means of stud 43. This setting eliminates the constraint to have the body weight on or in front of the axis of the penultimate wheel by balancing it by the reaction of a calibrated spring according to the weight of the user.
- the springs 41 could be replaced by a tension spring between the shoe and the axis 40 of brake discs.
- Shoe 4 is mounted on a main chassis 44 consisting of a U-shaped profile in which are articulated the casters 5, 9, 6.
- the rear caster 10 is mounted at the rear end of an auxiliary chassis 45 formed of two parallel plates arranged on each side of main frame 44 and hinged on it main chassis around an axis 46.
- axis 46 is screwed from below a vertical bar 47 extending in the median plane of the chassis and of which the upper end is screwed in an axis transverse 48 at each end of which is fixed perpendicularly a circular plate 49 whose diameter corresponds to the diameter of the brake discs 13 freely mounted in rotation on the axis 48 between the trays 49.
- Trays 49 are located between the auxiliary chassis plates 45, in the same plane as the wings of the main chassis 44 which have at this effect a clearance 51.
- the springs 41 also cross the axis 46.
- the bar 47 By its part screwed in the axis 48, the bar 47 allows further adjust the position of the brake discs by depending on the diameter of the rollers used.
Landscapes
- Motorcycle And Bicycle Frame (AREA)
- Braking Arrangements (AREA)
Description
La présente invention a pour objet un patin à roulettes en ligne comprenant au moins trois roulettes dont au moins la roulette arrière est montée sur un châssis auxiliaire articulé sur un châssis principal supportant une chaussure autour d'un axe parallèle à l'axe des roulettes et un frein lié cinématiquement au châssis auxiliaire de manière à freiner au moins l'avant-dernière roulette lors du basculement, en arrière, du patin sur l'avant-dernière roulette, et des moyens élastiques s'opposant à ce basculement.The present invention relates to a roller skate in line comprising at least three casters including minus the rear caster is mounted on a chassis auxiliary articulated on a main chassis supporting a shoe around an axis parallel to the axis of castors and a brake kinematically linked to the chassis auxiliary so as to brake at least the penultimate caster when tilting backwards skate on the penultimate roulette, and means elastic opposing this tilting.
Un tel patin est connu de la demande de brevet EP 0 677 310. Dans ce patin, c'est une partie du châssis auxiliaire qui constitue un sabot de frein venant en contact avec la bande de roulement de l'avant-dernière roulette lors du basculement du châssis principal sur l'avant-dernière roulette. Additionnellement, l'arrière du châssis principal vient s'appuyer sur la dernière roulette pour freiner celle-ci. Le poids du patineur s'exerce entre les deux roulettes arrière. Les moyens s'opposant au basculement sont constitués d'un ressort travaillant en compression entre les châssis et précontraint. Un réglage de la précontrainte est dès lors nécessaire en fonction du poids du patineur. Le ressort peut en outre être totalement précontraint de manière à empêcher un basculement du châssis principal relativement au châssis auxiliaire, le patin se comportant alors comme un patin à châssis unique à quatre roulettes et sans frein.Such a skate is known from the EP patent application 0 677 310. In this skate, it is part of the chassis auxiliary which constitutes a brake shoe coming in contact with the tread of the penultimate caster when tilting the main chassis on the penultimate roulette. Additionally, the rear of the main chassis comes to rest on the last roulette to brake it. The weight of the skater works between the two rear casters. Ways opposing the tilting consist of a spring working in compression between the chassis and prestressed. A preload adjustment is immediately when necessary depending on the weight of the skater. The spring can also be fully prestressed to prevent the main chassis from tipping over relative to the auxiliary chassis, the shoe is then comprising as a sole frame skate to four casters and without brake.
Du brevet US 5 088 748, on connaít par ailleurs un patin muni à l'arrière d'une roulette auxiliaire articulée à l'extrémité d'un bras lui-même articulé à l'extrémité arrière du châssis, cette roulette ne venant en contact avec le sol que lors du basculement du patin sur la roulette arrière, l'appui de la roulette auxiliaire appliquant un frein sur la roulette arrière ou la tranche d'un disque solidaire de la roulette arrière et concentrique à celle-ci.From US patent 5,088,748, we also know a shoe fitted with an auxiliary wheel at the rear articulated at the end of an arm itself articulated at the rear end of the chassis, this caster does not coming into contact with the ground only when tilting of the skate on the rear caster, the support of the auxiliary caster applying a brake on the caster rear or the edge of a disc secured to the rear wheel and concentric therewith.
Le brevet US 5 375 859 décrit un patin analogue dans lequel le frein est constitué de deux freins à disques montés de chaque côté de la roulette arrière, le freinage se faisant par l'application de disques fixes en rotation contre des disques en forme de couronne solidaires de la roulette. La chaleur dégagée par le freinage doit être dans une partie importante évacuée par la roulette elle-même et l'échauffement de la roulette est telle que celle-ci peut être détériorée.US Patent 5,375,859 describes a similar pad in which brake consists of two disc brakes mounted on each side of the rear caster, the braking by applying fixed discs rotating against crown-shaped discs in solidarity with roulette. The heat given off by the braking must be largely evacuated by the wheel itself and the heating of the wheel is such that it can be damaged.
Dans ce type de patin à frein commandé par la roulette auxiliaire ne venant en contact avec le sol qu'après basculement du patin d'un certain angle, il est en outre difficile d'avoir un freinage initial progressif compte tenu de l'absence totale d'équilibre du patin s'appuyant sur une seule roulette pendant la première phase de basculement, ceci d'autant plus qu'avant basculement, le poids du corps agit en avant de la roulette arrière et qu'il faut donc d'abord amener le poids du corps à la verticale de l'axe de la roulette arrière.In this type of brake shoe controlled by the caster auxiliary only coming into contact with the ground after tilting of the skate from a certain angle, it is besides difficult to have a progressive initial braking taking into account the total lack of balance of the skate relying on a single caster during the first tilting phase, all the more so than before tilting, the body weight acts in front of the rear wheel and therefore first bring the body weight vertical to the axis of the caster back.
La présente invention a pour but d'obtenir un freinage plus régulier, plus facile à contrôler et sans échauffement notable des roulettes.The present invention aims to obtain braking more regular, easier to control and without noticeable heating of the casters.
Le patin à roulettes en ligne selon l'invention est caractérisé en ce que le frein est constitué d'une paire de disques coaxiaux opposés montés rotativement et maintenus écartés l'un de l'autre par un moyen élastique, les faces en regard de ces disques étant au moins approximativement tronconiques et destinées à venir en contact avec les deux côtés des deux roulettes arrière pour leur entraínement en rotation par les roulettes arrière, le freinage étant assuré pour le frottement des disques sur des parties du patin fixes en rotation et que l'axe de ces disques est situé entre les deux roulettes arrière , au-dessus des axes de ces roulettes, et à distance égale de ces axes, et que la liaison mécanique entre les disques et le châssis auxiliaire est telle que lors du basculement du patin vers l'arrière, cet axe descend en direction de la droite reliant les axes des deux roulettes arrière, de telle manière que les disques sont appliqués sur les deux roulettes arrière.The inline roller skate according to the invention is characterized in that the brake consists of a pair of opposite coaxial discs rotatably mounted and kept apart from each other by a means elastic, the facing faces of these discs being at less approximately frustoconical and intended for come into contact with both sides of the two casters rear for their rotational drive by the rear casters, braking being ensured for the friction of the discs on fixed parts of the pad in rotation and that the axis of these discs is located between the two rear castors, above the axes of these casters, and at equal distance from these axes, and that the mechanical connection between the discs and the chassis auxiliary is such that when tilting the pad backward, this axis descends towards the right connecting the axes of the two rear castors, so that the discs are applied to the two rear casters.
Lors du freinage, les disques sont tirés vers le bas et appliqués sur les deux roulettes arrière, ce qui assure une pression régulière de l'avant-dernière roulette sur les disques.When braking, the discs are pulled down and applied to the two rear casters, which ensures regular pressure from the penultimate wheel on the disks.
Les disques étant entraínés en rotation par les deux roulettes arrière, le freinage se fait par friction entre les disques et le châssis principal. De préférence, les disques sont eux-mêmes en un matériau utilisé pour les garnitures de frein et frottent directement sur l'un des châssis principal ou sur un disque métallique fixé au châssis, ce qui évite l'échauffement des roulettes et favorise l'évacuation de la chaleur par le châssis.The discs being rotated by the two rear castors, braking is by friction between the discs and the main chassis. Of preferably the discs are themselves made of a material used for brake linings and rub directly on one of the main chassis or on a metal disc fixed to the chassis, which avoids the heating of the rollers and promotes evacuation heat through the chassis.
Le dessin annexé représente, à titre d'exemple, quatre formes d'exécution de l'invention. The accompanying drawing shows, by way of example, four embodiments of the invention.
La figure 1 représente un patin selon une première forme d'exécution, en position de roulement non freinée.Figure 1 shows a skate according to a first form of execution, in rolling position no braked.
La figure 2 est une vue partielle en coupe selon II-II de la figure 2 montrant les disques de frein.Figure 2 is a partial sectional view along II-II in Figure 2 showing the brake discs.
La figure 3 représente le même patin en position de freinage.Figure 3 shows the same shoe in position braking.
La figure 4 représente une variante à suspension élastique de la première forme d'exécution.Figure 4 shows a suspension variant elastic of the first embodiment.
La figure 5 représente un châssis de patin selon une deuxième forme d'exécution.FIG. 5 represents a skate frame according to a second embodiment.
La figure 6 représente une troisième forme d'exécution de patin en position de roulement non freinée.Figure 6 shows a third embodiment pad in unbraked rolling position.
La figure 7 représente le même patin en position de freinage.Figure 7 shows the same shoe in position braking.
La figure 8 représente une quatrième forme d'exécution en position de roulement non freinée.Figure 8 shows a fourth embodiment in the unbraked running position.
La figure 9 représente ce même patin en position de freinage.FIG. 9 represents this same shoe in the position of braking.
Le patin représenté à la figure 1 comprend un châssis
principal 1 constitué d'une pièce profilée en U et
découpée de manière à présenter une plateforme avant 2
et une plateforme arrière 3 qui supportent une
chaussure 4. Le châssis 1 est muni de deux roulettes 5
et 6. La roulette 5 est en avant de la plateforme avant
2 tandis que la roulette 6 est située sous la
plateforme arrière 3, de telle sorte que son axe 7 est
situé sous le talon de la chaussure 4. Sur le châssis
1, autour de l'axe 7 de la roulette 6, est articulé un
châssis auxiliaire 8 qui peut également être constitué
d'une pièce profilée en U s'emboítant dans le châssis
principal 1 ou de deux plaques entretoisées. Ce châssis
auxiliaire 8 porte deux roulettes 9 et 10, la roulette
9 étant située entre les roulettes 5 et 6 et la
roulette 10 en arrière du châssis principal 1. La
roulette 9 est facultative.The skate shown in Figure 1 includes a frame
main 1 consisting of a U-shaped part and
cut so as to present a platform before 2
and a
Le châssis auxiliaire 8 présente deux lumières
identiques 11, vis-à-vis l'une de l'autre, situées
entre les deux roulettes arrière 6 et 10, à égale
distance des axes des roulettes 6 et 10 et s'étendant
perpendiculairement à la droite reliant ces axes. Les
lumières 11 sont traversées par un axe 12 de diamètre
correspondant à la largeur de ces lumières, cet axe 12
portant une paire de disques 13 dont les faces en
regard sont tronconiques (figure 2), ces disques étant
montés librement sur l'axe 12, au moins axialement, et
étant maintenus écartés l'un de l'autre, en appui
contre les parois du châssis auxiliaire 8, par un
élément élastique 14. L'axe 12 peut donc se déplacer
verticalement dans les lumières 11. Les extrémités des
axes 12 sont en outre engagées dans une paire de
lumières 15 ménagées dans le châssis principal 1. Les
lumières 15 sont légèrement inclinées en direction de
l'avant-dernière roulette 6. Les disques 13 sont, de
préférence, en un matériau de type Ferodo (Marque
déposée) et leurs faces extérieures planes sont
directement appliquées contre le châssis auxiliaire 8.The
La patin est en outre muni d'un moyen élastique non
représenté s'opposant au basculement du châssis
principal 1 sur le châssis auxiliaire 8. Ce moyen
élastique peut être, par exemple, un ressort de torsion
monté autour de l'axe 7 ou un ressort travaillant en
traction entre les deux châssis.The skate is also provided with an elastic means not
shown opposing the tilting of the chassis
main 1 on the
Lors du basculement du châssis principal 1 autour de
l'axe 7 de l'avant-dernière roulette, comme représenté
à la figure 3, l'axe 12 des disques est entraíné vers
le bas par les lumières 15 et guidé dans ce déplacement
par les lumières 11.When tilting
Les disques de frein 13 viennent s'appliquer
simultanément sur les deux roulettes arrière 6 et 10 et
ils sont entraínés en rotation par ces roulettes. La
forme conique des disques provoque l'écartement des
disques par les roulettes et par conséquent le freinage
par frottement des disques contre le châssis auxiliaire
8.The
Les lumières 15 pourraient être horizontales, mais leur
inclinaison a pour effet d'augmenter la descente de
l'axe 12 par l'effet de came qui s'ajoute à la descente
des lumières 15.The
Une variante d'exécution de cette première forme
d'exécution est représentée à la figure 4. Cette
variante ne diffère de la première forme d'exécution
que par la forme du châssis principal 1' et le montage
de la chaussure 4 sur ce châssis principal. La semelle
de la chaussure est solidaire d'un bâti 16 articulé à
l'avant du châssis 1' autour d'un axe transversal 17 et
mobile verticalement à l'arrière où un ressort 18, ou
autre élément élastique, est interposé entre le châssis
16 et la plateforme arrière du châssis 1'. Dans cette
zone, le bâti 16 présente donc deux ailes parallèles
venant de chaque côté du châssis 1'. L'ébat de la
chaussure est limité, de chaque côté du châssis 1', par
deux tétons 19 engagés chacun dans des lumières
verticales 20 du bâti 16. Les lumières 20 sont à
l'amplomb de l'axe de la roulette 6. Le châssis
auxiliaire 8 et le frein sont identiques à ceux de la
première forme d'exécution.A variant of this first form
shown in Figure 4. This
variant does differ from the first embodiment
as by the shape of the main frame 1 'and the
Dans les exécutions décrites ci-dessus, la pression et
les frottements de l'axe 12 sur le côté de la lumière
15 sont importants et peuvent poser à terme un problème
d'usure. La forme d'exécution représentée à la figure 5
a pour but d'obvier à ce problème d'usure en remplaçant
l'abaissement de l'axe 12 des disques de frein par
effet de came par un système articulé de type
pantographe. Dans cette deuxième forme d'exécution, un
châssis auxiliaire 21, constitué de deux plaques
parallèles découpées en forme d'anneau est articulé sur
un châssis principal 22 autour d'un axe 23 situé entre
l'avant-dernière roulette 6 et la dernière roulette 10,
légèrement en-dessous de la droite joignant l'axe 24 de
la roulette 6 et l'axe 25 de la roulette 10 et à égale
distance de ces axes. Les plaques du châssis auxiliaire
21 sont articulées à l'extérieur du châssis principal
22. L'axe 12, des disques de frein 13 est situé au-dessus
de l'axe 23, à la verticale de cet axe (le patin
reposant sur un sol horizontal) et il est relié, d'une
part, au bâti principal 22 par une première paire de
biellettes 26 articulées à l'arrière du bâti principal
22 autour d'un axe 27 et, d'autre part, au châssis
auxiliaire 21 par une paire de plateaux de frein 28
articulés sur le châssis auxiliaire 21 autour d'un axe
29 et correspondant mécaniquement à une seconde paire
de biellettes. Les longueurs de toutes ces biellettes,
mesurées entre leurs axes d'articulation, sont
identiques, de telle sorte que l'axe 12 des disques est
à la même distance des axes 27 et 29. La distance entre
les axes 23 et 29 est également égale à la distance
entre les axes 23 et 27, de telle sorte que les
articulations constituent un pantographe et que l'axe
12 est toujours équidistant des axes 24 et 25 des
roulettes. Les plateaux de frein 28, en aluminium, sont
situés à l'intérieur du châssis auxiliaire 21, dans des
découpes ovales 30 ménagées dans le châssis principal
22. La hauteur de ces découpes 30 est suffisante pour
permettre le déplacement vertical des plateaux de frein
28. L'axe 12 des disques de frein est en outre soutenu
par un ressort 31 s'appuyant sur une butée 32 montée
sur l'axe 23. Le déplacement de l'axe 12 vers le haut
est limité par une butée 33 fixée au châssis principal
22. Le basculement du châssis principal 22 sur l'avant-dernière
roulette 6 a pour effet de déformer le
pantographe formé par le système articulé, de telle
sorte que l'axe 12 descend en direction de l'axe 23.
Les disques de frein 13 sont alors entraínés par les
roulettes 6 et 10 et sont appliqués contre les plateaux
de frein 28.In the designs described above, the pressure and
the friction of
Les plateaux 28 descendant avec les disques 13, ils ne
s'opposent pas à cette descente, contrairement à la
première forme d'exécution dans laquelle les disques 13
doivent glisser sur le châssis auxiliaire.The
Selon la troisième forme d'exécution, représentée aux
figures 6 et 7, la chaussure 4 est articulée sur un
châssis principal 34 autour d'un axe 35 et un moyen
élastique non représenté oppose une résistance à la
rotation de la chaussure 4 autour de cet axe 35. La
chaussure 4 pourrait toutefois être montée rigidement
sur le châssis 34. Ce châssis 34 est constitué d'une
pièce profilée en U dont les ailes sont dirigées vers
le haut. Le fond de ce profil est découpé pour le
passage des roulettes 5, 9 et 6. La roulette arrière 10
est montée à l'extrémité arrière d'un châssis
auxiliaire 36 constitué de deux plaques parallèles
articulées autour d'un axe 37 sur une pièce 38 en forme
de chape dont le fond est situé en-dessous de l'axe 37.
Cette chape 38 est, d'autre part, articulée sur le
châssis principal 34 autour d'un axe 39 situé au même
niveau que l'axe 37 et, comme lui, parallèle aux axes
des roulettes. Les axes 37 et 39 sont situés juste au-dessus
du fond de la chape 38, ce fond étant découpé
pour le passage des roulettes 6 et 10. A l'intérieur de
la chape 38 sont montés rotativement les disques de
frein 13 autour d'un axe 40. Comme on peut le voir à la
figure 7, la chape enveloppe les extrémités des châssis
34 et 36. De chaque côté de la chape 38 est monté un
ressort 41 constitué d'une barre travaillant en flexion
s'appuyant d'un côté sur un téton 42 du châssis
principal 34 et, de l'autre côté, sur un plot 43
présentant plusieurs facettes permettant de régler la
prétention du ressort 41. Dans sa zone médiane, le
ressort s'appuie sur les extrémités des axes 37 et 39
avec une précontrainte ajustable au moyen du plot 43.
Ce réglage permet de s'affranchir de la contrainte
d'avoir le poids du corps sur ou en avant de l'axe de
l'avant dernière roulette en l'équilibrant par la
réaction d'un ressort taré en fonction du poids de
l'utilisateur.According to the third embodiment, shown in
Figures 6 and 7, the
Au repos, les ressorts 41 repoussent donc la chape 38
vers le haut, ce mouvement étant limité par la venue en
butée des extrémités des châssis 34 et 36 contre le
fond de la chape 38. At rest, the
Lors du basculement du châssis principal 34 autour de
la roulette 6, la chape 38 est tirée vers le bas par
l'axe 39 en fléchissant les ressorts 41 et les disques
de frein 13 sont appliqués sur les roues 6 et 10 et
contre la chape 38 qui constitue la partie fixe du
frein à disques. En s'appuyant sur l'avant-dernière
roulette 6, les disques 13 entraínent l'axe 37 en
descente et la pression des disques 13 sur les
roulettes 6 et 10 s'équilibre d'elle-même.When tilting the
Dans une variante d'exécution dans laquelle la
chaussure est fixée rigidement au châssis principal 34,
les ressorts 41 pourraient être remplacés par un
ressort de traction entre la chaussure et l'axe 40 des
disques de frein.In an alternative embodiment in which the
shoe is rigidly fixed to the
La quatrième forme d'exécution, représentée aux figures
8 et 9, est dérivée de la forme d'exécution précédente.
La chaussure 4 est montée sur un châssis principal 44
constitué d'un profil en U dans lequel sont articulées
les roulettes 5, 9, 6. La roulette arrière 10 est
montée à l'extrémité arrière d'un châssis auxiliaire 45
formé de deux plaques parallèles disposées de chaque
côté du châssis principal 44 et articulées sur ce
châssis principal autour d'un axe 46. Dans cet axe 46
est vissée, par le bas, une barre verticale 47
s'étendant dans le plan médian du châssis et dont
l'extrémité supérieure est vissée dans un axe
transversal 48 à chacune des extrémités duquel est fixé
perpendiculairement un plateau circulaire 49 dont le
diamètre correspond au diamètre des disques de frein 13
montés libre en rotation sur l'axe 48 entre les
plateaux 49. Les plateaux 49 sont situés entre les
plaques du châssis auxiliaire 45, dans le même plan que
les ailes du châssis principal 44 qui présentent à cet
effet un dégagement 51. On retrouve les ressorts 41 et
les tétons 42, l'extrémité postérieure des ressorts 41
s'appuyant sur des tétons 50 du châssis auxiliaire 45.
Les ressorts 41 traversent en outre l'axe 46.The fourth embodiment, shown in the figures
8 and 9, is derived from the previous embodiment.
Lors du basculement du châssis principal 44 autour de
la roulette 6, comme représenté à la figure 9, l'axe 46
est entraíné en direction du sol et les disques de
frein 13 viennent en appui contre les roulettes 6 et 10
et sont appliqués contre les disques fixes 49.When tilting the
Par sa partie vissée dans l'axe 48, la barre 47 permet
en outre d'ajuster la position des disques de frein en
fonction du diamètre des roulettes utilisées.By its part screwed in the
Claims (9)
- In-line roller skate comprising at least three rollers (5, 6, 9, 10), of which at least the rear roller (10) is mounted on an auxiliary chassis (8 ; 21 ; 36 ; 45) which is articulated, about an axle (7 ; 23 ; 39 ; 46) parallel to the axle of the rollers, onto a main chassis (1 ; 22 ; 34 ; 44) supporting a boot (4), and a brake (13) kinematically linked to the auxiliary chassis so as to brake at least the penultimate roller when the skate tilts rearward on the penultimate roller (6), and elastic means (31 ; 41) which counteract this tilting, characterized in that the brake consists of a pair of opposite coaxial discs (13), mounted so as to rotate and kept separated from each other by an elastic means (14), the opposing faces of these discs being at least approximately frustoconical and intended to come into contact with the two sides of the two rear rollers (6, 10) in order to be rotated by these rollers, braking being ensured by the friction of the discs on rotationally fixed parts of the skate, and in that the axle (12 ; 40 ; 48) of these discs is located between the two rear rollers, above the axles of these rollers and equidistant from these axles, and in that the mechanical linkage between the axle of the discs and the auxiliary chassis is such that, when the skate tilts rearward, this axle descends toward the straight line joining the axles of the two rear rollers, so that the discs are applied onto the two rear rollers.
- Skate as claimed in claim 1, characterized in that the auxiliary chassis (8) is articulated about the axle (7) of the penultimate roller, and in that the mechanical linkage between the axle (12) and the auxiliary chassis consists of slots (11) in the auxiliary chassis, which slots are directed perpendicularly to the straight line joining the axles of the two rear rollers, the axle of the discs being also engaged in slots (15) of the main chassis, which are transverse to the slots of the auxiliary chassis, the discs (13) being applied against the auxiliary chassis during braking.
- Skate as claimed in claim 2, characterized in that the main chassis (1') is articulated at the front to the boot, and in that an elastic means (18) is arranged between the heel of the boot and the main chassis, above the axle of the penultimate roller.
- Skate as claimed in claim 1, characterized in that the auxiliary chassis (21) is articulated onto the main chassis (22) about an axle (23) located between the two rear rollers, equidistant between these axles, and in that the axle (12) of the discs is located at the upper end of an articulated system, of the pantograph type, formed by the two chassis (21, 22) and by two pairs of levers (26, 28), one (26) of which is articulated onto the main chassis and the other (28) of which is articulated onto the auxiliary chassis, the latter pair of levers (28) being in the form of plates against which the discs (13) are applied during braking.
- Skate as claimed in claim 1, characterized in that the discs (13) are supported by a fork (38) joining the main chassis (34) to the auxiliary chassis (36) by means of two articulations (37, 39), braking taking place by friction of the discs against the fork.
- Skate as claimed in claim 5, characterized in that the elastic means which counteract the tilting of the main chassis (34) consist of two flexural springs (41) which bear, on the one hand, on the two chassis and, on the other hand, on the fork so as to push the fork upward.
- Skate as claimed in claim 6, in which the boot is fixed rigidly to the main chassis, characterized in that the elastic means which counteract the tilting of the main chassis consist of a tension spring joining the axle (40) of the discs to the boot.
- Skate as claimed in one of the claims 5, 6 or 7, characterized in that the movement of the fork (38) upward is limited by the articulated ends of the two chassis coming to abut against the bottom of the fork.
- Skate as claimed in claim 1, characterized in that the auxiliary chassis (45) is articulated onto the rear end of the main chassis (44) about an axle (46) to which the axle (48) of the brake discs is joined by a vertical bar (47), in that the ends of this axle (48) are rigidly fixed to two discs (49) arranged on either side of the brake discs (13), and in that the elastic means which counteract the tilting of the main chassis consist of two flexural springs (41) bearing (42, 50) on the two chassis and, on the other hand, on the axle (46) of the articulation of the two chassis.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9603245A FR2745724B1 (en) | 1996-03-11 | 1996-03-11 | IN LINE ROLLER SKATE EQUIPPED WITH A BRAKE |
FR9603245 | 1996-03-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0795348A1 EP0795348A1 (en) | 1997-09-17 |
EP0795348B1 true EP0795348B1 (en) | 2000-09-06 |
Family
ID=9490200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97810103A Expired - Lifetime EP0795348B1 (en) | 1996-03-11 | 1997-02-26 | In-line skate having a brake |
Country Status (4)
Country | Link |
---|---|
US (1) | US5927728A (en) |
EP (1) | EP0795348B1 (en) |
DE (1) | DE69702995T2 (en) |
FR (1) | FR2745724B1 (en) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1288002B1 (en) * | 1996-12-03 | 1998-09-10 | Marco Maggiolo | SKATES WITH IN-LINE WHEELS WITH IMPROVED MANEUVERABILITY AND CONTROLLABILITY |
US5997015A (en) * | 1998-01-14 | 1999-12-07 | Bellehumeur; Alex R. | Brake for inline skates |
SE9800091L (en) * | 1998-01-16 | 1999-07-17 | Hendrikus A Van Egeraat | Hockey-like roller skates |
US6270088B1 (en) | 1998-06-26 | 2001-08-07 | Juraj George Tlucko | Skate with pivoting front wheels |
US6883811B2 (en) | 1998-06-26 | 2005-04-26 | Juraj George Tlucko | Skate with pivoting front carriage |
US6485034B1 (en) * | 1999-06-28 | 2002-11-26 | Tien-Chiu Chou | Roller assembly of in-line roller skate |
US6360898B1 (en) | 2000-04-06 | 2002-03-26 | Harry L. Nurse, Jr. | Filtration device for a waste water treatment system |
GB2363078A (en) * | 2000-06-07 | 2001-12-12 | Chou Tien Chiu | An in line roller skate |
DE20113444U1 (en) * | 2001-08-13 | 2002-03-21 | Jablonski, Zbigniew, 50859 Köln | Variable, self-adjustable, profiled brake shoes with integrated locking device and pressure transmission heel bracket unit for inline skaters |
DE10156633C2 (en) * | 2001-11-17 | 2003-12-24 | Kurt Deuchert | rolling device |
US20050230927A1 (en) * | 2004-04-20 | 2005-10-20 | Joeng Lai | In-line skate with a shock-absorbing device |
ITPN20040069A1 (en) * | 2004-10-07 | 2005-01-07 | Nordica Spa | SHOE WITH WHEELS IN LINE OR WITH ICE BLADES |
DE102005041280B4 (en) * | 2005-08-31 | 2008-02-28 | Roland Diechtl | Roller skate with braking device |
US7455305B2 (en) * | 2005-12-12 | 2008-11-25 | Alex Bellehumeur, Trustee of the Alex Bellehumeur Family Trust dated August 24, 1988 | Vertically reciprocating skate brake |
DE102007021455A1 (en) | 2007-05-08 | 2008-11-13 | Bernd Ressin | A roller skate |
EP2022547A1 (en) * | 2007-08-07 | 2009-02-11 | Marc-André Boucher | Frame for an in-line roller skate having a movable wheel-receiving element |
FR2927261B1 (en) * | 2008-02-12 | 2010-11-05 | Decathlon Sa | ROLLER BRAKING SYSTEM |
FR2927545B1 (en) * | 2009-01-23 | 2010-05-28 | Decathlon Sa | ROLLER BRAKING SYSTEM |
US8336892B2 (en) * | 2009-06-15 | 2012-12-25 | Mark Croskey | Skate brake |
SE534628C2 (en) | 2010-02-09 | 2011-11-01 | Marsblade Ab | Roller rail |
US9186571B2 (en) | 2010-09-27 | 2015-11-17 | Hendrik Heukers | In-line roller skate |
NL2005860C2 (en) * | 2010-09-27 | 2012-03-28 | Maria Daudey | SKEELER, FRAME FOR CARRYING THE WHEELS OF A SUCH SKEELER, AND A PROCESS FOR BRAKING THE WHEELS OF A SKEELER. |
DE202011002480U1 (en) | 2011-02-08 | 2011-04-14 | Diechtl, Roland | Roller skate with braking device |
SE1150246A1 (en) | 2011-03-18 | 2012-08-21 | Marsblade Ab | Binding as well as a ski, skate or shoe with such a binding |
EP2703053A1 (en) | 2012-08-31 | 2014-03-05 | Marsblade AB | Coupling means |
CN105311820B (en) * | 2014-06-24 | 2017-05-17 | 刘先忠 | Roller skates instead of walk |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5192099A (en) * | 1991-08-27 | 1993-03-09 | Riutta Raine R | Roller skate starting and stopping aids |
DE568878T1 (en) * | 1992-04-29 | 1994-04-21 | Nordica Spa | Braking device, especially for roller skates. |
IT1266079B1 (en) * | 1993-01-19 | 1996-12-20 | Roces Srl | BRAKING DEVICE STRUCTURE, ESPECIALLY FOR SKATES WITH IN-LINE WHEELS |
US5342071A (en) * | 1993-05-06 | 1994-08-30 | Mike Soo | In-line roller skate brake assembly |
IT1266082B1 (en) * | 1993-11-09 | 1996-12-20 | Nordica Spa | SHOE STRUCTURE WITH IN-LINE WHEELS |
IT1274288B (en) * | 1994-04-12 | 1997-07-17 | Roces Srl | BRAKING DEVICE STRUCTURE, PARTICULARLY FOR SKATES WITH IN-LINE WHEELS |
EP0763373A1 (en) * | 1995-09-05 | 1997-03-19 | Skis Rossignol S.A. | In-line skate |
-
1996
- 1996-03-11 FR FR9603245A patent/FR2745724B1/en not_active Expired - Fee Related
-
1997
- 1997-02-26 EP EP97810103A patent/EP0795348B1/en not_active Expired - Lifetime
- 1997-02-26 DE DE69702995T patent/DE69702995T2/en not_active Expired - Fee Related
- 1997-03-05 US US08/812,119 patent/US5927728A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0795348A1 (en) | 1997-09-17 |
FR2745724A1 (en) | 1997-09-12 |
FR2745724B1 (en) | 1998-05-07 |
DE69702995D1 (en) | 2000-10-12 |
DE69702995T2 (en) | 2001-02-08 |
US5927728A (en) | 1999-07-27 |
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