EP0215689B1 - Self-propelling roller skates - Google Patents

Self-propelling roller skates Download PDF

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Publication number
EP0215689B1
EP0215689B1 EP86401635A EP86401635A EP0215689B1 EP 0215689 B1 EP0215689 B1 EP 0215689B1 EP 86401635 A EP86401635 A EP 86401635A EP 86401635 A EP86401635 A EP 86401635A EP 0215689 B1 EP0215689 B1 EP 0215689B1
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EP
European Patent Office
Prior art keywords
propulsion
stop
selector
lever
pedal
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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
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EP86401635A
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German (de)
French (fr)
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EP0215689A1 (en
Inventor
Yvon Michel Vincent
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Individual
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Individual
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Priority to AT86401635T priority Critical patent/ATE50151T1/en
Publication of EP0215689A1 publication Critical patent/EP0215689A1/en
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    • 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
    • A63C17/12—Roller skates; Skate-boards with driving mechanisms
    • 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
    • A63C17/1436—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches contacting the ground

Definitions

  • the invention relates to a propulsion roller skate comprising a roller frame, on which a pedal, supporting the foot, pivots about a transverse axis from a standby position to actuate a two-position selection device controlling either a device of propulsion of the rollers, or a braking device, part of the organs of the propulsion and braking devices cooperating to prohibit in the selected position, the actuation of the device not selected.
  • European patent application EP-A 0 114 131 describes exemplary embodiments of propulsion roller skates which include means making it possible to select, from a waiting position, a propulsion position by pushing the heel on the rear. of the pedal and a braking position by a push on the front of the pedal, by tiptoe. When a position has been selected, it is not possible to select the other position without returning to the standby position.
  • the selection device consists of a part of the braking and propulsion devices, two elements of which are capable of bracing one above or below the other to select, at from the standby position, the propulsion or braking position.
  • the mechanism for selecting functions and implementing them is complex.
  • the relatively large number of parts and, for some, their cable drive do not confer sufficient robustness to the product and could not result in sufficiently economical marketing.
  • the subject of the invention is the production of propulsion roller skates which are simpler and more robust than those previously known.
  • the selection device consists of a selector on which the pedal is articulated, comprising positioning pins capable of cooperating with positioning notches provided on the chassis, lugs stop capable of cooperating with the braking device when the selector rotates about its axis, carried by said device, to select the "propulsion" position, and a stop finger comprising a propulsion stop and a braking stop, the stop propulsion system cooperating with a propulsion lever articulated on the braking device, itself articulated on a drive axis around which it is capable of turning in the "braking" selection position to act on the drive wheels, the stop of braking cooperating with a pawl to immobilize the braking device in the "propulsion" selection position, elastic means are provided to return the selector to the "standby" position when no pressure is exerted on the pedal.
  • the propeller roller skate according to the invention is shown in perspective in Figure 1, the selection mechanism being in the standby position. This position is obtained whenever the skate is no longer in contact with the ground and is suspended under the skater's foot.
  • the skate has a chassis on which the wheels are mounted, an actuation pedal on which the foot rests and selection and propulsion mechanisms.
  • the chassis 1 is approximately in the form of a U-shaped piece carrying at the front and at the rear two idler wheels 2 and 3.
  • the axle 4 of the front wheel 2 is directly held by the wings 5, 6 of the chassis, while the axle 7 of the rear wheel 3 is mounted on a stirrup 8 fixed to the base 9 of the chassis.
  • the wings 5, 6 of the chassis carry, approximately half the length of the chassis, a shaft 10 at the ends of which the drive wheels 11, 12 are fixed. According to a characteristic of the skate, when the latter rests on a horizontal surface, only the driving wheels 11, 12 and a loose wheel 2 or 3 rest on said surface so as to reinforce the movement leading to the selection of the functions.
  • the wings 5, 6 have in the area close to the shaft 10 on their outer edge two positioning notches 13, 14 separated by a lug 15 whose edges form guide ramps for each of the notches.
  • the wings carry, behind the notches 13, 14, coaxial bores forming bearings for a drive pin 16 on the central part of which is fixed part of the drive means of the propulsion device, these means comprising a toothed pulley 17 driven by a toothed belt 18 cooperating with a propulsion lever.
  • the drive axle 16 carries a drive toothed wheel 19 which cooperates with a toothed pinion 20 fixed on the shaft 10 of the drive wheels 11, 12.
  • a freewheel coupling is provided in the drive kinematic chain .
  • the drive axis 16 serves as an axis of rotation for the braking device 37, 38.
  • the pedal 21, on which the skater's foot is fixed, is essentially formed by a plate carrying near its rear end, on its edges the téral and perpendicular to its plane, two legs 22, 23 provided with bearings cooperating with two coaxial holding pins 24, 25 provided on the selector 26 and around which the pedal pivots.
  • the selector 26, shown on a larger scale and in perspective in FIG. 5, is in the form of a U-shaped part, the lateral branches 27, 28 of which are connected by one of their longitudinal edges to the transverse branch 29
  • the lateral branches each carry, from their free ends, a positioning stud 30, 31 and a hinge stud of the pedal 24, 25, directed outwards, a stop lug 43, 44 directed towards the inside, an axis of rotation 32 of the selector and at the rear end, a stop bar 41.
  • the pins, pins, axis and stop are perpendicular to the vertical plane of symmetry of the selector.
  • the face of the transverse branch 29, located inside the lateral branches, carries in a perpendicular plane a finger with stops 33, the end of which has two notches transversely offset, the openings of which are directed towards the rear and towards the 'front of the skate, and which respectively constitute a propulsion stop 34 and a braking stop 35.
  • the axis of rotation 32 of the selector crosses the finger 33 and provides the connection with a part of the braking device 37, 38 itself connected to the chassis 1 by the drive axis 16 around which it is able to rotate freely.
  • the braking device consists at least in part of two flanges 37, 38 having approximately the shape of a rectangular trapezoid whose acute angle is directed towards the front of the skate and whose small base forms the upper part.
  • the flanges carry at their lower part, near the rear, a bore in which the drive pin 16 freely passes around which the device can rotate.
  • the flanges are held together by spacers and are arranged symmetrically with respect to the vertical plane of symmetry of the shoe.
  • the flanges have near their upper edge a bore in which passes the axis of rotation 32 of the selector and in the upper rear corner a connecting spacer 39 on which is fixed the end of a tension spring 61 whose another end is hooked to the chassis 1.
  • This spring keeps the braking device raised in the "waiting" and "propulsion" selection positions by abutting the lower rear angle 65 against the chassis.
  • the upper edge of the flanges carries from the rear to the front a rear stop notch against which abuts the rear stop bar 41 of the selector 26 when the selector is in the "standby” or “braking” position; a front stop notch 42 against which abut the stop lugs 43, 44 of the selector in the "propulsion" position.
  • the lower edge of the flanges carries, between the bore of the drive axis 16 and the acute angle, braking means capable of cooperating directly or indirectly with the drive wheels 11, 12.
  • housings 49, 50 carrying brake linings 51, 52 capable of cooperating with friction discs 53, 54 integral with the wheel shaft 10.
  • spacer spacer 55 against which an arm of the propulsion lever 57 rests.
  • the flanges carry forward a spacer axis 56 around which the propulsion lever 57 pivots.
  • the spacer axis 56, the drive axis 16 and the axis of rotation of the selector 32 determine a isosceles triangle whose apex is represented by axis 56.
  • One of the flanges 38 carries at its rear lower part a hinge pin 45 on which is mounted a pawl 46 returned to the high position by a spring 47, fixed to the flange.
  • said pawl cooperates with the braking stop 35 of the selector in the "propulsion" position.
  • the fixings of two return springs 62, 63 fixed to the stop bar 41 of the selector are provided at the lower rear end of the flanges 37, 38.
  • the propulsion device comprises a propulsion lever 57 capable of turning around the axis 56 between two positions limited by a rear stop 55 and a front stop 58, under the action of the pressure exerted by the pedal 21 at the end front of the lever.
  • the stops can be produced in another form and for example the stop 58 can be eliminated and replaced by the stop of the pedal 21 against the braking device 37, 38.
  • the rear end of the lever cooperates with a belt capable of moving by driving the drive axis 16.
  • a toothed belt 18, driven by the lever passes over a toothed pulley 17, integral with the drive axis 16.
  • One end of the belt 18 is hooked to a tension spring 68 fixed to the chassis 1.
  • the belt passes over a return pulley 64 provided on the chassis 1.
  • the drive axle 16 carries a toothed wheel 20 which cooperates with a toothed pinion 19 integral with the wheel shaft 10.
  • the propulsion lever 57 is separated into two arms, a front arm 66 and a rear arm 67, by the axis of rotation 56.
  • the front arm 66 which cooperates with the pedal 21 which actuates it is more as long as the rear arm and has a contact surface with the pedal having a cam profile.
  • This profile is to allow the displacement of the point of application of the propulsion force so that at the start of propulsion, the lever arm is as long as possible to reduce the effort necessary to overcome the inertia force and that at the end of the travel, the displacement of the end of the lever arm driving the belt is as large as possible.
  • a similar effect can be obtained by providing on the arm 66, for example, a retractable roller which only comes into action when the force necessary for propulsion is sufficiently low to allow actuation with a reduced length of lever arm.
  • the front end of the lever 57 carries in its part in lower a stop 58 which abuts against the chassis 1 at the end of the stroke of the propulsion movement.
  • the upper face of the rear end of the lever forms a hook 59 which, in the "standby" position of the selector 26, is perpendicular to the propulsion stop 34.
  • the lever carries, on its face opposite the flange 38, a stud 60, perpendicular to its vertical plane of symmetry, capable of pressing on the pawl 46 against the action of the return spring 47 when the selector 26 is in the "standby” and “braking” positions.
  • the propulsion selection position ( Figure 3) is obtained, as previously explained, by pushing the heel on the back of the pedal, first putting the rear wheel in contact with the ground, the body weight then resting in the lift polygon delimited by said rear caster 3 and the drive wheels 11, 12. This thrust causes the selector to tilt around its axis 32 against the action of the return springs 62, 63 so as to engage the positioning pins 30 , 31 in the positioning notches 13 carried by the wings of the chassis and the stop lugs 43, 44 behind the front stop notches 42 of the braking device. This combined action results in the locking of the braking device.
  • the stop finger 33 secured to the selector has tilted in a position such that the propulsion stop 34 clears the passage of the hook 59 thus allowing the propulsion lever 57 to be able to rotate on its axis 56 under the action of the pedal 21 while the braking stop 35 is positioned above the pawl 46 which rises to block the stop as soon as a movement on the front of the pedal, therefore of the propulsion lever, is initiated.
  • This movement has the effect of removing the pressure of the stud 60 on the pawl 46 which is biased upwards by the spring 47 and is fitted into the stopper by blocking the selector in the propulsion position.
  • the selector At the end of the propulsion movement when the stop 58 before the propulsion lever 57 comes into contact with the chassis and the skater raises the foot, the selector returns to the "standby" position when the front end of the lever 57 is recalled upwards under the action of the spring 68 and the springs 69 for connection with the pedal, owing to the fact that the stud 60 of the propulsion lever presses on the pawl 46 and releases the braking stop 35.
  • the braking position is selected by pushing on the front of the pedal, with tiptoe.
  • the pedal 21 then presses on the front end of the propulsion lever 57 which drives the braking device 37, 38 and the selector 26 via its axis of rotation 32 against the action of the spring 61.
  • the assembly rotates then around the motor axis 16, the positioning pins 30, 31 of the selector coming into contact with the ramps corresponding to the positioning notches 14 provided in the wings of the chassis.
  • the selector stop finger is then positioned so that the propulsion stop 34 is located above the hook 59 of the rear part of the propulsion lever, which comes to rest there as soon as sufficient effort is exerted on the 'before the pedal and therefore the lever, to rotate it around its axis.

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  • Motorcycle And Bicycle Frame (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Braking Arrangements (AREA)
  • Massaging Devices (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Cosmetics (AREA)
  • Medicinal Preparation (AREA)

Abstract

Propelling roller skate comprising a selector on which the pedal is articulated and which is adapted to be placed in two positions: a propulsion position and a braking position. The selector is articulated on the brake device which also carries the shaft of the propulsion lever. The brake device is itself adapted to turn about the drive shaft of the driving wheels. The selector carries a stop finger carrying a brake stop and a propulsion stop cooperating respectively with the brake device and with the propulsion device to prevent the movement which does not correspond to the position selected.

Description

L'invention concerne un patin à roulettes propulseur comportant un châssis à roulettes, sur lequel une pédale, supportant le pied, pivote autour d'un axe transversal depuis une position d'attente pour actionner un dispositif de sélection à deux positions commandant soit un dispositif de propulsion des roulettes, soit un dispositif de freinage, une partie des organes des dispositifs de propulsion et de freinage coopérant pour interdire dans la position sélectionnée, l'actionnement du dispositif non sélectionné.The invention relates to a propulsion roller skate comprising a roller frame, on which a pedal, supporting the foot, pivots about a transverse axis from a standby position to actuate a two-position selection device controlling either a device of propulsion of the rollers, or a braking device, part of the organs of the propulsion and braking devices cooperating to prohibit in the selected position, the actuation of the device not selected.

La demande de brevet européen EP-A 0 114 131 décrit des exemples de réalisation de patins à roulettes propulseurs qui comportent des moyens permettant de sélectionner à partir d'une position d'attente une position de propulsion par une poussée du talon sur l'arrière de la pédale et une position de freinage par une poussée sur l'avant de la pédale, par la pointe du pied. Lorsqu'une position a été sélectionnée, il n'est pas possible de sélectionner l'autre position sans repasser par la position d'attente.European patent application EP-A 0 114 131 describes exemplary embodiments of propulsion roller skates which include means making it possible to select, from a waiting position, a propulsion position by pushing the heel on the rear. of the pedal and a braking position by a push on the front of the pedal, by tiptoe. When a position has been selected, it is not possible to select the other position without returning to the standby position.

Selon un exemple décrit, le dispositif de sélection est constitué par une partie des dispositifs de freinage et de propulsion dont deux éléments sont susceptibles de s'arc-bouter l'un au-dessus ou au-dessous de l'autre pour sélectionner, à partir de la position d'attente, la position de propulsion ou de freinage.According to an example described, the selection device consists of a part of the braking and propulsion devices, two elements of which are capable of bracing one above or below the other to select, at from the standby position, the propulsion or braking position.

Le mécanisme permettant la sélection des fonctions et leur mise en oeuvre est complexe. Le nombre relativement important des pièces et, pour certaines, leur entraînement par câble ne confèrent pas une robustesse suffisante au produit et ne pourraient aboutir à une commercialisation suffisamment économique.The mechanism for selecting functions and implementing them is complex. The relatively large number of parts and, for some, their cable drive do not confer sufficient robustness to the product and could not result in sufficiently economical marketing.

L'invention a pour objet la réalisation de patins à roulettes propulseurs plus simples et plus robustes que ceux précédemment connus.The subject of the invention is the production of propulsion roller skates which are simpler and more robust than those previously known.

Les patins, selon l'invention, sont remarquables en ce que le dispositif de sélection est constitué d'un sélecteur sur lequel est articulée la pédale, comportant des tétons de positionnement susceptibles de coopérer avec des encoches de positionnement prévues sur le châssis, des ergots de butée susceptibles de coopérer avec le dispositif de freinage lorsque le sélecteur tourne autour de son axe, porté par ledit dispositif, pour sélectionner la position "propulsion", et un doigt à butées comportant une butée de propulsion et une butée de freinage, la butée de propulsion coopérant avec un levier de propulsion articulé sur le dispositif de freinage, articulé lui-même sur un axe d'entraînement autour duquel il est susceptible de tourner dans la position de sélection "freinage" pour agir sur les roues motrices, la butée de freinage coopérant avec un cliquet pour immobiliser le dispositif de freinage dans la position de sélection "propulsion", des moyens élastiques prévus pour ramener le sélecteur dans la position "attente" lorsque aucune pression n'est exercée sur la pédale.The pads, according to the invention, are remarkable in that the selection device consists of a selector on which the pedal is articulated, comprising positioning pins capable of cooperating with positioning notches provided on the chassis, lugs stop capable of cooperating with the braking device when the selector rotates about its axis, carried by said device, to select the "propulsion" position, and a stop finger comprising a propulsion stop and a braking stop, the stop propulsion system cooperating with a propulsion lever articulated on the braking device, itself articulated on a drive axis around which it is capable of turning in the "braking" selection position to act on the drive wheels, the stop of braking cooperating with a pawl to immobilize the braking device in the "propulsion" selection position, elastic means are provided to return the selector to the "standby" position when no pressure is exerted on the pedal.

Les explications et figures données ci-après à titre d'exemple permettront de comprendre comment l'invention peut être réalisée.

  • La figure 1 est une vue en perspective du patin à roulettes selon l'invention, certaines pièces étant supposées transparentes.
  • La figure 2 est une vue en élévation partiellement arrachée longitudinalement du patin, le mécanisme de sélection étant dans la position d'attente.
  • -La-figure-3 est une vue en élévation semblable à celle de la figure 2 dans laquelle le mécanisme de sélection est dans la position propulsion.
  • La figure 4 est une vue en élévation semblable à celle de la figure 2, dans laquelle le mécanisme de sélection est dans la position freinage.
  • La figure 5 est une vue en perspective du sélecteur avec arrachement de la partie avant.
  • La figure 6 est une vue de dessus du patin avec arrachement partiel du sélecteur.
  • La figure 7 est une vue en coupe selon VII de la figure 1.
The explanations and figures given below by way of example will make it possible to understand how the invention can be implemented.
  • Figure 1 is a perspective view of the roller skate according to the invention, certain parts being assumed to be transparent.
  • Figure 2 is an elevational view partially cut longitudinally of the shoe, the selection mechanism being in the standby position.
  • -La-figure-3 is an elevational view similar to that of Figure 2 in which the selection mechanism is in the propulsion position.
  • Figure 4 is an elevational view similar to that of Figure 2, in which the selection mechanism is in the braking position.
  • Figure 5 is a perspective view of the selector with cutaway of the front part.
  • Figure 6 is a top view of the shoe with partial cutaway of the selector.
  • FIG. 7 is a sectional view along VII of FIG. 1.

Le patin à roulettes propulseur selon l'invention est représenté en perspective sur la figure 1, le mécanisme de sélection étant dans la position d'attente. Cette position est obtenue toutes les fois que le patin n'est plus en contact avec le sol et se trouve suspendu sous le pied du patineur.The propeller roller skate according to the invention is shown in perspective in Figure 1, the selection mechanism being in the standby position. This position is obtained whenever the skate is no longer in contact with the ground and is suspended under the skater's foot.

Le patin comporte un châssis sur lequel sont montées les roues, une pédale d'actionnement sur laquelle repose le pied et des mécanismes de sélection et de propulsion.The skate has a chassis on which the wheels are mounted, an actuation pedal on which the foot rests and selection and propulsion mechanisms.

Le châssis 1 se présente approximativement sous la forme d'une pièce en U portant à l'avant et à l'arrière deux roues folles 2 et 3. L'axe 4 de la roue avant 2 est directement maintenu par les ailes 5, 6 du châssis, tandis que l'axe 7 de la roue arrière 3 est monté sur un étrier 8 fixé à la base 9 du châssis.The chassis 1 is approximately in the form of a U-shaped piece carrying at the front and at the rear two idler wheels 2 and 3. The axle 4 of the front wheel 2 is directly held by the wings 5, 6 of the chassis, while the axle 7 of the rear wheel 3 is mounted on a stirrup 8 fixed to the base 9 of the chassis.

Les ailes 5, 6 du châssis portent, approximativement à la moitié de la longueur du châssis, un arbre 10 aux extrémités duquel sont fixées les roues motrices 11, 12. Selon une caractéristique du patin, lorsque celui-ci repose sur une surface horizontale, seules les roues motrices 11, 12 et une roue folle 2 ou 3 reposent sur ladite surface de manière à renforcer le mouvement aboutissant à la sélection des fonctions.The wings 5, 6 of the chassis carry, approximately half the length of the chassis, a shaft 10 at the ends of which the drive wheels 11, 12 are fixed. According to a characteristic of the skate, when the latter rests on a horizontal surface, only the driving wheels 11, 12 and a loose wheel 2 or 3 rest on said surface so as to reinforce the movement leading to the selection of the functions.

Les ailes 5, 6 présentent dans la zone proche de l'arbre 10 sur leur bord extérieur deux encoches de positionnement 13, 14 séparées par un ergot 15 dont les bords forment des rampes de guidage pour chacune des encoches.The wings 5, 6 have in the area close to the shaft 10 on their outer edge two positioning notches 13, 14 separated by a lug 15 whose edges form guide ramps for each of the notches.

Les ailes portent, en arrière des encoches 13, 14, des alésages coaxiaux formant paliers pour un axe d'entraînement 16 sur la partie centrale duquel est fixée une partie des moyens d'entraînement du dispositif de propulsion, ces moyens comportant une poulie crantée 17 entraînée par une courroie crantée 18 coopérant avec un levier de propulsion. L'axe d'entraînement 16 porte une roue dentée d'entraînement 19 qui coopère avec un pignon denté 20 fixé sur l'arbre 10 des roues motrices 11, 12. Il est prévu dans la chaîne cinématique d'entraînement un accouplement à roue libre. L'axe d'entraînement 16 sert d'axe de rotation au dispositif de freinage 37, 38.The wings carry, behind the notches 13, 14, coaxial bores forming bearings for a drive pin 16 on the central part of which is fixed part of the drive means of the propulsion device, these means comprising a toothed pulley 17 driven by a toothed belt 18 cooperating with a propulsion lever. The drive axle 16 carries a drive toothed wheel 19 which cooperates with a toothed pinion 20 fixed on the shaft 10 of the drive wheels 11, 12. A freewheel coupling is provided in the drive kinematic chain . The drive axis 16 serves as an axis of rotation for the braking device 37, 38.

La pédale 21, sur laquelle est fixé le pied du patineur, est formée essentiellement d'une plaque portant près de son extrémité arrière, sur ses bords latéraux et perpendiculairement à son plan, deux pattes 22, 23 munies de paliers coopérant avec deux tétons de maintien coaxiaux 24, 25 prévus sur le sélecteur 26 et autour desquels la pédale pivote.The pedal 21, on which the skater's foot is fixed, is essentially formed by a plate carrying near its rear end, on its edges the téral and perpendicular to its plane, two legs 22, 23 provided with bearings cooperating with two coaxial holding pins 24, 25 provided on the selector 26 and around which the pedal pivots.

Le sélecteur 26, représenté à plus grande échelle et en perspective sur la figure 5, se présente sous la forme d'une pièce en U, dont les-branches latérales 27, 28 sont reliées par un de leurs bords longitudinaux à la branche transversale 29. Les branches latérales portent chacune, à partir de leurs extrémités libres, un téton de positionnement 30, 31 et un téton d'articulation de la pédale 24, 25, dirigés vers l'extérieur, un ergot de butée 43, 44 dirigé vers l'intérieur, un axe de rotation 32 du sélecteur et à l'extrémité arrière, une barre de butée 41. Les tétons, ergots, axe et butée sont perpendiculaires au plan de symétrie vertical du sélecteur.The selector 26, shown on a larger scale and in perspective in FIG. 5, is in the form of a U-shaped part, the lateral branches 27, 28 of which are connected by one of their longitudinal edges to the transverse branch 29 The lateral branches each carry, from their free ends, a positioning stud 30, 31 and a hinge stud of the pedal 24, 25, directed outwards, a stop lug 43, 44 directed towards the inside, an axis of rotation 32 of the selector and at the rear end, a stop bar 41. The pins, pins, axis and stop are perpendicular to the vertical plane of symmetry of the selector.

La face de la branche transversale 29, située à l'intérieur des branches latérales, porte dans un plan perpendiculaire un doigt à butées 33, dont l'extrémité présente deux entailles décalées transversalement, dont les ouvertures sont dirigées vers l'arrière et vers l'avant du patin, et qui constituent respectivement une butée de propulsion 34 et une butée de freinage 35.The face of the transverse branch 29, located inside the lateral branches, carries in a perpendicular plane a finger with stops 33, the end of which has two notches transversely offset, the openings of which are directed towards the rear and towards the 'front of the skate, and which respectively constitute a propulsion stop 34 and a braking stop 35.

L'axe de rotation 32 du sélecteur traverse le doigt 33 et assure la liaison avec une partie du dispositif de freinage 37, 38 lui-même reliée au châssis 1 par l'axe d'entraînement 16 autour duquel il est susceptible de tourner librement.The axis of rotation 32 of the selector crosses the finger 33 and provides the connection with a part of the braking device 37, 38 itself connected to the chassis 1 by the drive axis 16 around which it is able to rotate freely.

Le dispositif de freinage est constitué au moins en partie de deux flasques 37, 38 ayant approximativement la forme d'un trapèze rectangle dont l'angle aigu est dirigé vers l'avant du patin et dont la petite base forme la partie supérieure. Les flasques portent à leur partie inférieure, près de l'arrière, un alésage dans lequel passe librement l'axe d'entraînement 16 autour duquel le dispositif peut tourner. Les flasques sont maintenus entre eux par des entretoises et sont disposés symétriquement par rapport au plan de symétrie vertical du patin. Les flasques présentent près de leur bord supérieur un alésage dans lequel passe l'axe de rotation 32 du sélecteur et dans l'angle supérieur arrière une entretoise de liaison 39 sur laquelle est fixée l'extrémité d'un ressort de traction 61 dont l'autre extrémité est accrochée au châssis 1. Ce ressort maintient relevé le dispositif de freinage dans les positions de sélection "attente" et "propulsion" en mettant en butée l'angle inférieur arrière 65 contre le châssis. Le bord supérieur des flasques porte de l'arriére à l'avant un cran de butée arrière contre lequel vient s'appuyer la barre de butée arrière 41 du sélecteur 26 lorsque le sélecteur est dans la position "attente" ou "freinage"; un cran de butée avant 42 contre lesquels viennent s'appuyer les ergots de butée 43, 44 du sélecteur dans la position "propulsion".The braking device consists at least in part of two flanges 37, 38 having approximately the shape of a rectangular trapezoid whose acute angle is directed towards the front of the skate and whose small base forms the upper part. The flanges carry at their lower part, near the rear, a bore in which the drive pin 16 freely passes around which the device can rotate. The flanges are held together by spacers and are arranged symmetrically with respect to the vertical plane of symmetry of the shoe. The flanges have near their upper edge a bore in which passes the axis of rotation 32 of the selector and in the upper rear corner a connecting spacer 39 on which is fixed the end of a tension spring 61 whose another end is hooked to the chassis 1. This spring keeps the braking device raised in the "waiting" and "propulsion" selection positions by abutting the lower rear angle 65 against the chassis. The upper edge of the flanges carries from the rear to the front a rear stop notch against which abuts the rear stop bar 41 of the selector 26 when the selector is in the "standby" or "braking" position; a front stop notch 42 against which abut the stop lugs 43, 44 of the selector in the "propulsion" position.

Le bord inférieur des flasques porte, entre l'alésage de l'axe d'entraînement 16 et l'angle aigu, des moyens de freinage susceptibles de coopérer directement ou indirectement avec les roues motrices 11, 12. Selon l'exemple de réalisation, on a prévu des logements 49, 50 portant des garnitures de frein 51, 52 susceptibles de coopérer avec des disques de friction 53, 54 solidaires de l'arbre de roue 10. Il est également prévu, en avant des logements 49, 50, une entretoise butée 55 contre laquelle vient reposer un bras du levier de propulsion 57.The lower edge of the flanges carries, between the bore of the drive axis 16 and the acute angle, braking means capable of cooperating directly or indirectly with the drive wheels 11, 12. According to the exemplary embodiment, there are provided housings 49, 50 carrying brake linings 51, 52 capable of cooperating with friction discs 53, 54 integral with the wheel shaft 10. There is also provided, in front of the housings 49, 50, a spacer spacer 55 against which an arm of the propulsion lever 57 rests.

Les flasques portent vers l'avant un axe entretoise 56 autour duquel pivote le levier de propulsion 57. Selon les caractéristiques du dispositif, l'axe entretoise 56, l'axe d'entraînement 16 et l'axe de rotation du sélecteur 32 déterminent un triangle isocèle dont le sommet est représenté par l'axe 56.The flanges carry forward a spacer axis 56 around which the propulsion lever 57 pivots. Depending on the characteristics of the device, the spacer axis 56, the drive axis 16 and the axis of rotation of the selector 32 determine a isosceles triangle whose apex is represented by axis 56.

Un des flasques 38 porte à sa partie inférieure arrière un axe d'articulation 45 sur lequel est monté un cli- quet 46 rappelé en position haute par un ressort 47, fixé sur le flasque. Lorsque le sélecteur est en position propulsion, ledit cliquet coopère avec la butée de freinage 35 du sélecteur dans la position "propulsion".One of the flanges 38 carries at its rear lower part a hinge pin 45 on which is mounted a pawl 46 returned to the high position by a spring 47, fixed to the flange. When the selector is in the propulsion position, said pawl cooperates with the braking stop 35 of the selector in the "propulsion" position.

Les fixations de deux ressorts de rappel 62, 63 fixés à la barre de butée 41 du sélecteur sont prévues à l'extrémité arrière inférieure des flasques 37,38.The fixings of two return springs 62, 63 fixed to the stop bar 41 of the selector are provided at the lower rear end of the flanges 37, 38.

Le dispositif de propulsion comporte un levier de propulsion 57 susceptible de tourner autour de l'axe 56 entre deux positions limitées par une butée arrière 55 et une butée avant 58, sous l'action de la pression exercée par la pédale 21 à l'extrémité avant du levier.The propulsion device comprises a propulsion lever 57 capable of turning around the axis 56 between two positions limited by a rear stop 55 and a front stop 58, under the action of the pressure exerted by the pedal 21 at the end front of the lever.

Les butées peuvent être réalisées sous une autre forme et par exemple la butée 58 peut être supprimée et remplacée par la butée de la pédale 21 contre le dispositif de freinage 37, 38.The stops can be produced in another form and for example the stop 58 can be eliminated and replaced by the stop of the pedal 21 against the braking device 37, 38.

L'extrémité arrière du levier coopère avec une courroie susceptible de se déplacer en entraînant l'axe d'entraînement 16. Selon l'exemple de réalisation, une courroie crantée 18, entraînée par le levier, passe sur une poulie crantée 17, solidaire de l'axe d'entraînement 16. Une extrémité de la courroie 18 est accrochée à un ressort de traction 68 fixé au châssis 1. Afin de permettre une course suffisante de l'extrémité du levier 57, la courroie passe sur une poulie de renvoi 64 prévue sur le châssis 1.The rear end of the lever cooperates with a belt capable of moving by driving the drive axis 16. According to the embodiment, a toothed belt 18, driven by the lever, passes over a toothed pulley 17, integral with the drive axis 16. One end of the belt 18 is hooked to a tension spring 68 fixed to the chassis 1. In order to allow a sufficient stroke of the end of the lever 57, the belt passes over a return pulley 64 provided on the chassis 1.

L'axe d'entraînement 16 porte une roue dentée 20 qui coopère avec un pignon denté 19 solidaire de l'arbre de roue 10.The drive axle 16 carries a toothed wheel 20 which cooperates with a toothed pinion 19 integral with the wheel shaft 10.

Le levier de propulsion 57 est séparé en deux bras, un bras avant 66 et un bras arrière 67, par l'axe de rotation 56. Selon la forme de réalisation le bras avant 66 qui coopère avec la pédale 21 qui l'actionne est plus long que le bras arrière et présente une surface de contact avec la pédale ayant un profil de came.The propulsion lever 57 is separated into two arms, a front arm 66 and a rear arm 67, by the axis of rotation 56. According to the embodiment, the front arm 66 which cooperates with the pedal 21 which actuates it is more as long as the rear arm and has a contact surface with the pedal having a cam profile.

Ce profil a pour but de permettre le déplacement du point d'application de la force de propulsion afin qu'en début de propulsion, le bras de levier soit le plus long possible pour diminuer l'effort nécessaire à vaincre la force d'inertie et qu'en fin de course, le déplacement de l'extrémité du bras de levier entraînant la courroie soit le plus grand possible.The purpose of this profile is to allow the displacement of the point of application of the propulsion force so that at the start of propulsion, the lever arm is as long as possible to reduce the effort necessary to overcome the inertia force and that at the end of the travel, the displacement of the end of the lever arm driving the belt is as large as possible.

Un effet semblable peut être obtenu en prévoyant sur le bras 66, par exemple, un galet escamotable qui n'entre en action que lorsque la force nécessaire à la propulsion est suffisamment faible pour permettre l'actionnement avec une longueur de bras de levier réduite.A similar effect can be obtained by providing on the arm 66, for example, a retractable roller which only comes into action when the force necessary for propulsion is sufficiently low to allow actuation with a reduced length of lever arm.

L'extrémité avant du levier 57 porte à sa partie inférieure une butée 58 qui vient buter contre le châssis 1 en fin de course du mouvement de propulsion.The front end of the lever 57 carries in its part in lower a stop 58 which abuts against the chassis 1 at the end of the stroke of the propulsion movement.

La face supérieure de l'extrémité arrière du levier forme un crochet 59 qui dans la position "attente" du sélecteur 26 est à l'aplomb de la butée de propulsion 34.The upper face of the rear end of the lever forms a hook 59 which, in the "standby" position of the selector 26, is perpendicular to the propulsion stop 34.

A cette même extrémité, le levier porte, sur sa face en regard avec le flasque 38, un téton 60, perpendiculaire à son plan de symétrie vertical, susceptible d'appuyer sur le cliquet 46 contre l'action du ressort de rappel 47 lorsque le sélecteur 26 est dans les positions "attente" et "freinage".At this same end, the lever carries, on its face opposite the flange 38, a stud 60, perpendicular to its vertical plane of symmetry, capable of pressing on the pawl 46 against the action of the return spring 47 when the selector 26 is in the "standby" and "braking" positions.

Le mode de fonctionnement des diverses pièces constituant le patin est ci-après décrit selon la sélection opérée à partir de la position d'attente.The operating mode of the various parts constituting the pad is described below according to the selection made from the standby position.

Dans la position "attente" (figure 2), aucune pression ne s'exerce sur la semelle 21 du patin qui est suspendue au pied du patineur. Le sélecteur 26 est basculé vers le haut autour de son axe 32 sous l'action des ressorts de rappel 62, 63, la barre de butée 41 étant en contact avec le cran de butée du dispositif de freinage 37, 38 qui est lui-même basculé vers le haut, autour de l'axe moteur 16 sous l'action du ressort 61, les angles arrières 65 des flasques étant en butée contre le châssis. La butée de propulsion 34 solidaire du sélecteur est placée à l'aplomb du crochet 59 de l'extrémité du levier de propulsion 57 sans qu'il y ait accrochage. Le téton 60, porté par cette même extrémité, appuie sur le cliquet 46 pour le basculer vers le bas, contre l'action du ressort de rappel 47 et le maintenir au-delà de la butée de freinage 35 portée par le doigt du sélecteur 26.In the "waiting" position (FIG. 2), no pressure is exerted on the sole 21 of the skate which is suspended from the skater's foot. The selector 26 is tilted upwards around its axis 32 under the action of the return springs 62, 63, the stop bar 41 being in contact with the stop notch of the braking device 37, 38 which is itself tilted upwards around the motor axis 16 under the action of the spring 61, the rear angles 65 of the flanges being in abutment against the chassis. The propulsion stop 34 secured to the selector is placed directly above the hook 59 of the end of the propulsion lever 57 without being hooked. The stud 60, carried by this same end, presses on the pawl 46 to tilt it down, against the action of the return spring 47 and keep it beyond the braking stop 35 carried by the selector finger 26 .

La position de sélection de propulsion (figure 3) s'obtient, comme précédemment expliqué, par une poussée du talon sur l'arrière de la pédale mettant d'abord en contact la roulette arrière avec le sol, le poids du corps reposant alors dans le polygone de sustentation délimité par ladite roulette arrière 3 et les roues motrices 11, 12. Cette poussée fait basculer le sélecteur autour de son axe 32 contre l'action des ressorts de rappel 62, 63 de manière à venir engager les tétons de positionnement 30, 31 dans les encoches de positionnement 13 portées par les ailes du châssis et les ergots de butée 43, 44 derrière les crans de butée avant 42 du dispositif de freinage. Cette action combinée a pour résultat le blocage du dispositif de freinage. Le doigt à butées 33 solidaire du sélecteur a basculé dans une position telle que la butée de propulsion 34 dégage le passage du crochet 59 permettant ainsi au levier de propulsion 57 de pouvoir tourner sur son axe 56 sous l'action de la pédale 21 tandis que la butée de freinage 35 est positionnée au-dessus du cliquet 46 qui remonte bloquer la butée dès qu'un mouvement sur l'avant de la pédale, donc du levier de propulsion, est amorcé. Ce mouvement a pour effet de supprimer la pression du téton 60 sur le cliquet 46 qui est rappelé vers le haut par le ressort 47 et vient s'encastrer dans la butée en bloquant le sélecteur en position propulsion.The propulsion selection position (Figure 3) is obtained, as previously explained, by pushing the heel on the back of the pedal, first putting the rear wheel in contact with the ground, the body weight then resting in the lift polygon delimited by said rear caster 3 and the drive wheels 11, 12. This thrust causes the selector to tilt around its axis 32 against the action of the return springs 62, 63 so as to engage the positioning pins 30 , 31 in the positioning notches 13 carried by the wings of the chassis and the stop lugs 43, 44 behind the front stop notches 42 of the braking device. This combined action results in the locking of the braking device. The stop finger 33 secured to the selector has tilted in a position such that the propulsion stop 34 clears the passage of the hook 59 thus allowing the propulsion lever 57 to be able to rotate on its axis 56 under the action of the pedal 21 while the braking stop 35 is positioned above the pawl 46 which rises to block the stop as soon as a movement on the front of the pedal, therefore of the propulsion lever, is initiated. This movement has the effect of removing the pressure of the stud 60 on the pawl 46 which is biased upwards by the spring 47 and is fitted into the stopper by blocking the selector in the propulsion position.

A partir de cette position sélectionnée, le basculement vers l'avant de la pédale et par suite le mouvement vers le bas transmis à l'extrémité avant du levier de propulsion fait tourner celui-ci autour de l'axe entretoise 56 du dispositif de freinage et produit le mouvement inverse de l'extrémité arrière du levier, ce qui entraîne la courroie crantée 18, contre l'action du ressort de traction 68 fixé au châssis, et produit la rotation de la poulie crantée 17 solidaire de l'axe d'entraînement 16 sur lequel est fixée la roue dentée 19, qui entraîne à son tour le pignon denté 20 de l'arbre 10 portant les roues motrices 11, 12.From this selected position, the forward tilting of the pedal and consequently the downward movement transmitted to the front end of the propulsion lever rotates it around the spacer axis 56 of the braking device. and produces the reverse movement of the rear end of the lever, which drives the toothed belt 18, against the action of the tension spring 68 fixed to the chassis, and produces the rotation of the toothed pulley 17 secured to the axis of drive 16 on which the toothed wheel 19 is fixed, which in turn drives the toothed pinion 20 of the shaft 10 carrying the drive wheels 11, 12.

A la fin du mouvement de propulsion lorsque la butée 58 avant du levier de propulsion 57 vient en contact avec le châssis et que le patineur soulève le pied, le sélecteur revient en position "attente" lorsque l'extrémité avant du levier- 57 est rappelée vers le haut sous l'action du ressort 68 et des ressorts 69 de liaison avec la pédale, du fait que le téton 60 du levier de propulsion appuie sur le cliquet 46 et libère la butée de freinage 35.At the end of the propulsion movement when the stop 58 before the propulsion lever 57 comes into contact with the chassis and the skater raises the foot, the selector returns to the "standby" position when the front end of the lever 57 is recalled upwards under the action of the spring 68 and the springs 69 for connection with the pedal, owing to the fact that the stud 60 of the propulsion lever presses on the pawl 46 and releases the braking stop 35.

A partir de la position d'attente, on sélectionne la position freinage par une poussée sur l'avant de la pédale, par la pointe du pied. La pédale 21 appuie alors sur l'extrémité avant du levier de propulsion 57 qui entraîne le dispositif de freinage 37, 38 et le sélecteur 26 par l'intermédiaire de son axe de rotation 32 contre l'action du ressort 61. L'ensemble tourne alors autour de l'axe moteur 16, les tétons de positionnement 30, 31 du sélecteur venant en contact avec les rampes correspondant aux encoches de positionnement 14 prévues dans les ailes du châssis. Le doigt à butées du sélecteur est alors positionné de manière que la butée de propulsion 34 se trouve au-dessus du crochet 59 de la partie arrière du levier de propulsion, qui vient s'y caler dès qu'un effort suffisant est exercé à l'avant de la pédale et par conséquent du levier, pour lui faire subir une rotation autour de son axe. La coopération du crochet 59 et de la butée de propulsion 34 empêche l'actionnement du levier et par suite la propulsion alors qu'elle solidarise le levier 57 et le dispositif de freinage 37, 38 pour permettre sa rotation autour de l'axe d'entraînement 16 et la mise en contact des garnitures de frein 51/52 avec les disques de friction 53, 54 solidaires de l'arbre de roue 10.From the standby position, the braking position is selected by pushing on the front of the pedal, with tiptoe. The pedal 21 then presses on the front end of the propulsion lever 57 which drives the braking device 37, 38 and the selector 26 via its axis of rotation 32 against the action of the spring 61. The assembly rotates then around the motor axis 16, the positioning pins 30, 31 of the selector coming into contact with the ramps corresponding to the positioning notches 14 provided in the wings of the chassis. The selector stop finger is then positioned so that the propulsion stop 34 is located above the hook 59 of the rear part of the propulsion lever, which comes to rest there as soon as sufficient effort is exerted on the 'before the pedal and therefore the lever, to rotate it around its axis. The cooperation of the hook 59 and the propulsion stop 34 prevents actuation of the lever and consequently propulsion while it secures the lever 57 and the braking device 37, 38 to allow its rotation about the axis of drive 16 and bringing the brake linings 51/52 into contact with the friction discs 53, 54 integral with the wheel shaft 10.

Il est possible une fois la position de freinage sélectionnée d'exercer un effort de freinage plus ou moins important en appuyant plus ou moins sur l'avant de la pédale.Once the braking position has been selected, it is possible to exert a greater or lesser braking force by pressing the front of the pedal more or less.

Claims (8)

1. A propelling roller skate comprising a roller frame (1) on which a pedal (21) supporting the foot pivots about a transverse axis from a standby position to operate a selection device having two positions, namely a "propulsion" position controlling a propulsion device and a "braking position" controlling the brake device, characterized in that the selection device is composed of a selector (26) on which the pedal (21) is articulated and which has positioning studs (30, 31) adapted to cooperate with positioning notches (13, 14) provided on the frame (1), stop snugs (43, 44) adapted to cooperate with the brake device (37, 38) - when the selector turns about its pivot (32), which is carried by said device, in order to select the "propulsion" position, and a stop finger (33) comprising a propulsion stop (34) and a brake stop (35), the propulsion stop (34) cooperating with a propulsion lever (57) articulated on the brake device (37, 38), which in turn is articulated on a drive shaft (16) about which it is adapted to turn in the "braking" selection position in order to act on the driving wheels, and the brake stop (35) cooperating with a catch (46) for locking the brake device (37, 38) in the "propulsion" selection position, while elastic means (68, 69) - are provided for returning the selector to the "standby" position when no pressure is applied to the pedal.
2. A propelling roller skate as claimed in Claim 1, in which the selector is a U-shaped member whose side branches (27, 28), extending in planes parallel to the vertical plane of symmetry of the skate, are connected by one of their longitudinal edges to a transverse branch (29), said side branches carrying, starting from their free end, towards the outside the positioning studs (30, 31) and pedal support studs (24, 25), and towards the inside a pivot pin (32) of the selector (26), the stop snugs (43, 44), and a stop bar (41) adapted to cooperate with the brake device in the "standby" and "braking" positions, while the selector comprises in addition, on that face of the transverse branch (29) which is situated inside the side branches and in a perpendicular plane, the stop finger (33) whose end is formed by two stops, one (34) for propulsion and one (35) for braking, which are disposed facing one another and offset in the vertical plane.
3. A propelling roller skate as claimed in Claims 1 and 2, in which the brake device is composed at least in part of two plates (37, 38) having approximately the shape of a right-angled trapezium whose acute angle is directed forwards and whose small base forms the top part, said plates carrying at the rear, near their top edge, a bore through which the pivot pin (32) of the selector (26) passes and, at the bottom, a bore through which passes freely the drive shaft (16) about which said device is adapted to turn, and at the front a brace shaft (56) about which the propulsion lever (57) is adapted to pivot, the bores and the shaft forming the angles of an isosceles triangle of which the shaft (56) is the apex.
4. A propelling roller skate as claimed in Claim 3, in which the top rear edge of the plates carries a rear stop notch - adapted to cooperate with a stop bar (41) provided on the rear end of the selector (26), and a front stop notch (42) adapted to cooperate with the stop snugs (43, 44) of the selector (26), and in which the bottom edge carries at the rear end stops (65) adapted to cooperate with the frame (1), and also seats (49, 50) carrying brake linings (51, 52) cooperating with friction disks (53, 54) provided for acting on the driving wheels (11, 12), and further in which one of the plates (38) carries a catch (46) adapted to cooperate with the brake stop (35) of the selector (26).
5. A propelling roller skate as claimed in Claim 1, in which the propulsion lever (57) is composed of two arms, namely a front arm (66) and a rear arm (67), the front arm (66) having a cam profiled surface of contact with the pedal (21), along which profile the point of the point of application of the force transmitted by the pedal is displaced so that on the commencement of propulsion the lever arm will be as long as possible and will be shortened when the force required for propulsion decreases.
6. A propelling roller skate as claimed in Claim 1, in which the propulsion device comprises the propulsion lever (57) which is articulated on the brake device and the rear end of which drives a belt (18) adapted to be displaced and thereby drive the drive shaft (16), and in which the upper face of the rear end forms a hook (59) which in the "standby" position of the selector (26) is vertically in line with the propulsion stop (34) of said selector.
7. A propelling roller skate as claimed in Claims 3 and 4, in which the propulsion lever (47) carries at its rear end, on a face facing the brake device, a stud (60) which is at right angle to said face and is adapted to bear against the catch (46) against the action of a return spring (47) in the "standby" and "braking" positions of the selector (26).
8. A propelling roller skate as claimed in Claim 6, in which the front end of the propulsion lever is adapted to bear against the frame (1) or the brake device (37, 38) at the end of the propulsion movement stroke.
EP86401635A 1985-08-05 1986-07-22 Self-propelling roller skates Expired - Lifetime EP0215689B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86401635T ATE50151T1 (en) 1985-08-05 1986-07-22 SELF-PROPELLED ROLLER SKATES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8511947 1985-08-05
FR8511947A FR2585582B1 (en) 1985-08-05 1985-08-05 PROPELLANT WHEEL SKATES

Publications (2)

Publication Number Publication Date
EP0215689A1 EP0215689A1 (en) 1987-03-25
EP0215689B1 true EP0215689B1 (en) 1990-02-07

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US (1) US4691931A (en)
EP (1) EP0215689B1 (en)
JP (1) JPS6297578A (en)
KR (1) KR930002149B1 (en)
CN (1) CN1007211B (en)
AT (1) ATE50151T1 (en)
DE (1) DE3668786D1 (en)
FR (1) FR2585582B1 (en)

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DE332471C (en) * 1920-05-27 1921-01-31 Emil Luebcke Roller skate with pedal drive
CH99784A (en) * 1922-04-04 1923-06-16 Bruendler Wilhelm Roller skate.
FR2300588A1 (en) * 1975-02-17 1976-09-10 Bauduin Jean Pierre Roller skates with brakes and steering - has idling front wheels and rear axles pivotal by pressure on sole plates
DE2726961A1 (en) * 1977-06-15 1979-01-04 Adolf Schmidt Roller skate with foot operated drive - uses drive unit which consists of see=saw connected to band drawn off from axle against spring tension
US4417737A (en) * 1982-09-13 1983-11-29 Hyman Suroff Self-propelled roller skate
FR2557466B2 (en) * 1983-01-14 1986-05-30 Vincent Yvon ROLLER SKATES
FR2539312A1 (en) * 1983-01-14 1984-07-20 Vincent Yvon Roller skate

Also Published As

Publication number Publication date
KR870001848A (en) 1987-03-28
ATE50151T1 (en) 1990-02-15
CN1007211B (en) 1990-03-21
JPH0356074B2 (en) 1991-08-27
DE3668786D1 (en) 1990-03-15
FR2585582A1 (en) 1987-02-06
JPS6297578A (en) 1987-05-07
KR930002149B1 (en) 1993-03-27
CN86104869A (en) 1987-02-04
FR2585582B1 (en) 1987-11-13
EP0215689A1 (en) 1987-03-25
US4691931A (en) 1987-09-08

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