EP0114131B1 - Rollschuhe - Google Patents

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Publication number
EP0114131B1
EP0114131B1 EP84400044A EP84400044A EP0114131B1 EP 0114131 B1 EP0114131 B1 EP 0114131B1 EP 84400044 A EP84400044 A EP 84400044A EP 84400044 A EP84400044 A EP 84400044A EP 0114131 B1 EP0114131 B1 EP 0114131B1
Authority
EP
European Patent Office
Prior art keywords
pedal
chassis
roller
roller skate
skater
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
Application number
EP84400044A
Other languages
English (en)
French (fr)
Other versions
EP0114131A2 (de
EP0114131A3 (en
Inventor
Yvon Michel Vincent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR8300555A external-priority patent/FR2539312A1/fr
Application filed by Individual filed Critical Individual
Priority to AT84400044T priority Critical patent/ATE26800T1/de
Publication of EP0114131A2 publication Critical patent/EP0114131A2/de
Publication of EP0114131A3 publication Critical patent/EP0114131A3/fr
Application granted granted Critical
Publication of EP0114131B1 publication Critical patent/EP0114131B1/de
Expired legal-status Critical Current

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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
    • A63C17/14—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches
    • 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
    • A63C17/12—Roller skates; Skate-boards with driving mechanisms

Definitions

  • the present invention relates to a roller skate.
  • roller skates Although it makes it possible to reach high traveling speeds, the use of the usual roller skates has a certain sporting character, which limits it, because of the inevitable risks, in general to people young or having a long practice.
  • Patent FR-A-2 300 588 discloses a four-wheel skate, the sole of which, fixed to the operator's foot, allows an inclination towards the inside of the turns. To compensate for the inclination of the chassis when cornering, the front wheels are mounted on an oscillating lifter.
  • the shoe further comprises a disc braking device, the lining of which, glued to the rim of the front and rear wheels, is pressed by a disc, immobilized in rotation, actuated by a helical ramp.
  • the ramp is controlled by a rod which is articulated to the sole by an axis and is actuated by the inclination of the sole backwards. In normal position, the sole rests on a stop.
  • This braking device eliminates part of the braking disadvantages previously described by allowing brutal monk braking.
  • One of the essential aims of the present invention is to allow the production of a roller skate which, on the one hand, offers the possibility of progressive braking, perfectly safe in all circumstances, and which, on the other hand , is arranged so as to allow the skater to exercise with his foot a driving action on at least one of the rollers of the skate with which he is equipped, these two possibilities contributing to removing any sporting character from the use of roller skates according to the present invention, which thus becomes accessible, after a very brief training, even to the elderly.
  • the roller skate according to one embodiment of the invention is characterized in that it comprises a roller frame, on which a pedal, adapted to support the foot, is pivotally mounted around at least one transverse axis, between a waiting position, and an actuating position, reached each time the skater applies, with his heel, a push on the rear of the pedal in the waiting position, a braking device, which is mounted on the chassis so as to be actuated each time the skater applies, with the tip of his foot, a push on the front of the pedal in the standby position, a movement transmission device, which is mounted on the chassis so to be actuated each time the skater applies, with his foot, a downward push on the pedal, causing it to pass from its actuating position to a depressed position, and which is coupled with at least one of the rollers, so as to exert a mo action on it trice each actuation of the pedal, as well as elastic means, such as springs, to return the pedal, when the skater lifts the foot, from its depressed
  • the safety of use of the roller skate according to the present invention obviously results from the fact that, in the standby position of the pedal, the skater can at any time slow down his progress by giving "a sharp stroke" on said pedal, after which, having obtained the reduced speed or the desired stop, the skater can continue or resume his movement by applying to the skate pedal first a "heel kick", then by depressing the pedal under the effect of his weight.
  • the skater can then raise above the ground, his foot provided with the skate, by leaning for that on his other foot, which can besides be provided or not d 'a roller skate according to the present invention - or even possibly a usual roller skate -.
  • the elastic means with which it is provided brings its pedal from its depressed position to its standby position, and the skater can again place said first skate on the ground, then brake if necessary.
  • both feet of the skater be equipped with roller skates according to the present invention, since the use of such a pair of skates can then differ very much from that of a pair. of normal skates, and only to use only the automatisms of normal walking, which is doubly favorable by reducing, on the one hand, the learning time of skating, and, on the other hand, the risks run by the user.
  • a freewheel device is inserted between the movement transmission device and each drive wheel with which it is coupled.
  • This embodiment is particularly advantageous, insofar as it allows an additional lengthening of each "step" of the skater, thanks to the free rolling of the skate after his pedal has reached the fully depressed position; of course, in the event of danger, the skater may immediately interrupt this free rolling on one foot, by putting the other foot on the ground and braking the corresponding skate, the other skate being able to be lifted off the ground without inconvenience, or stay in contact.
  • the pedal of the roller skate has its rear part connected to the chassis by at least one link, articulated at its two ends so as to pivot freely in a vertical, longitudinal plane, between two positions , one front and the other rear, which correspond respectively to the standby position of the pedal and to its actuation position; on the other hand, two elastically deformable members, such as springs, are provided, the first to return the link from its rear position to its front position, and the second, to return the pedal from its depressed position to its position. actuation or waiting.
  • this embodiment of the invention is particularly safe insofar as each stroke of the skater's heel, which makes the articulated link pivot backwards, certainly moves the front of the pedal away from the braking device, if although the motor actuation of the pedal can take place without any risk of simultaneous actuation of the braking device.
  • the first spring can attack the motion transmission device, so that, after being tensioned by the pivoting of the link from the front to the 'rear, the relaxation of said first spring, during depressing of the pedal, strengthens the driving action of the latter.
  • This characteristic offers the advantage of storing in a way the effort corresponding to the heel kick of the skater, in the tension of the first spring, this energy, thus stored, being then recovered, during the depressing of the pedal, to reinforce its driving action.
  • means are provided for removably attaching to the pedal of the roller skate according to the present invention, only the front part of the skater's foot, his heel remaining free to lift.
  • This arrangement facilitates the use of skates according to the invention in "normal walking” as explained above: in fact, the skater can thus, at the end of each step, lift the heel above the skate, before lifting and advancing the foot and the corresponding shoe.
  • the drive wheel or rollers are mounted in the middle part of the chassis, the front and rear parts of which each carry at least one caster mad, of equal or different diameter; on the other hand, the two planes tangent to a drive wheel and, respectively, to a front wheel or to a rear wheel, preferably form an obtuse angle between them, differing from 180 degrees only by a few degrees or by a few tens of degrees.
  • each stroke of the skater's heel applies the rear caster to the ground, which promotes movement of the skate pedal from its standby position to its actuating position.
  • each depression of the pedal, or when it is in its waiting position each stroke of the tip, given by the skater on the front of the pedal, rotates the whole skate around the drive wheel or rollers, so that the front wheel or rollers are applied to the ground, the rear wheel or rollers being raised above the ground.
  • Figures 1 to 3 are views in partial section through the longitudinal, vertical plane of symmetry of the shoe, which show its pedal respectively in its braking position, in its actuating position and in its depressed position.
  • Figure 4 is a plan view, corresponding to Figure 3.
  • Figure 5 is a longitudinal sectional view of a second embodiment of a shoe according to the invention whose mechanism is in the "standby” position .
  • Figure 6 is a view similar to that of Figure 5 in which the mechanism is in the "actuation" position.
  • Figure 7 is a view similar to that of Figure 5 in which the mechanism is in the "braking” position.
  • Figure 8 is a perspective view of the skate according to the embodiment of Figures 5 to 7.
  • Figure 9 is a top view, the pedal being removed from the embodiment of Figures 5 to 8.
  • Figure 10 is a rear view of the skate according to the embodiment of Figures 5 to 8.
  • 1 denotes the chassis of the roller skate, which can be made up in different ways, for example in the form of an elongated beam, of small height and small width, but sufficiently strong to support the weight of the skater.
  • Two drive rollers, 2a and 2b having several centimeters in diameter, are mounted on the middle part of the elongated frame, 1, on either side thereof.
  • an axis 3, on the ends of which the two wheels are wedged, 2a and 2b passes through a transverse bearing (not shown), mounted in the chassis 1.
  • Two idler rollers, 4a and 4b are carried by the front part of the chassis 1, and two other idler rollers, 5a and 5b, by its rear part.
  • the pairs of rollers 2a-2b, 4a-4b and 5a-5b are arranged so that the two planes are tangent to the middle rollers 2a-2b and, respectively, to the front rollers 4a-4b, or at the rear rollers, 5a-5b, form an obtuse angle between them, the difference of which with 180 degrees, designated by a in FIG. 1, has a value of a few degrees, or at most a few tens of degrees. Thanks to this arrangement, it can be seen that the frame 1 of the skate can rest on the ground, designated by S, either by its two pairs of wheels 2a-2b and 4a-4b, or by its two pairs of wheels 2a-2b and 5a -5b, as will be described later in more detail.
  • a pedal 6 which, in the illustrated embodiment, consists essentially of a substantially rectangular plate, for example metallic, the dimensions of which are slightly greater than that required by the size of the skaters to whom the skate in question is intended.
  • removable fasteners for the skater's foot which, in the illustrated embodiment, have been materialized by a kind of slipper -or toe-clip-, 7, which retains only the front part of the skater's foot 8, whose heel, 8a, is on the other hand left free to lift.
  • the rear part of the sole 6 is connected to the corresponding part of the chassis 1, by two links 9a and 9b, each of which has its articulated ends, one 9a1 (FIG. 1), below the rear of pedal 6, and the other, 9a2, on the rear of chassis 1, so that said links 9a and 9b can freely pivot each in a longitudinal vertical plane, parallel to the vertical plane of symmetry of the pad (designated by III-III in Figure 4).
  • each of the wings 11a and 11b On the inner face of each of the wings 11a and 11b, near its upper front corner, is articulated (at 14a in FIG. 1) a lever, 15a or 15b, the lower arm of which is brought back down by a spring such as 16a, hooked to the chassis 1, while its other arm carries an idler roller, 17a or 17b, which, in the equilibrium position of the lever 15a, under the action of the spring 16a, protrudes above the edge upper part of the cam 13a, as visible in FIGS. 2 and 3.
  • the pedal 6 occupies the position illustrated in FIG.
  • each lever such as 15a
  • the brake shoe 19a, associated with each of the middle rollers, such as 2a is carried by a part 20a, which is pivotally mounted, at 21a, on the chassis 1, and which is recalled towards a position in which the brake shoe 19a is moved away from the corresponding caster 2a, as visible in FIGS. 2 and 3, by a spring, 22a, stretched between the pivoting part 20a and a point on the chassis 1, for example close to the 'axis of the rear rollers 5a and 5b.
  • rollers 12a and 12b mounted idly in front of the pedal 6, are erased relative to the rollers 17a and 17b, carried by the levers 15a and 15b, as visible in FIGS. 2 and 3, the springs such as 16a bring the levers 15a and 15b and the rollers 17a and 17b into the rest positions visible in FIGS. 2 and 3, while the springs such as 22a ensure the release of the brake shoes such as 19a.
  • the toothed wheel 23, which could be replaced by a toothed sector, of suitable angle, has its axis, 23a, mounted freely rotating in a bearing (not shown), carried by the chassis 1.
  • the toothed wheel 23, whose diameter must be significantly lower than that of the middle rollers, 2a and 2b, to prevent it from hitting asperities of the ground, meshes with a pinion 24, which is wedged on the axis 3 of the middle rollers 2a, 2b, with interposition a freewheel device, for example a ratchet wheel, cooperating with a pawl; as freewheeling devices of this kind are well known, it is not necessary to describe it in detail, and the scale of the various figures has moreover not made it possible to represent it.
  • this freewheel device is arranged so as to allow the free rolling of the middle rollers 2a and 2b at speeds of rotation greater than the instantaneous speed of rotation communicated to it by the pinion 24, meshing with the toothed wheel 23
  • a pusher 25 is fixed transversely below the pedal 6, at the level of a finger 26, itself fixed transversely to the toothed wheel 23, or to the equivalent toothed sector.
  • the toothed wheel 23 On either side of the finger 26, the toothed wheel 23 further carries two lugs, 27 and 28, to which the first ends of two springs 29 and 30 are hung respectively, the second end of the spring 29 is hooked to a transverse axis joining the upper joints of the links 9a and 9b; the second end of the spring 30 is fixed to the chassis 1, for example near the axis of the rear rollers, 5a and 5b.
  • a spring, 31, is interposed between the chassis 1 and an appropriate point on the underside of the pedal 6, this point being located between the pusher 25 and the guide rollers 12a and 12b.
  • the skater To be propelled by the skate according to the present invention, which is provided for example with his right foot, the skater must then give a heel kick on the rear of the pedal 6, which was then in its waiting position. This has the effect of pivoting the rods 9a and 9b towards their extreme rear position, defined by stops such as 33a, which can be embodied for example by the ends of a rod whose middle part is fixed to the rear of the chassis 1, and whose length is sufficient.
  • the energy developed by the skater's heel kick is stored in the spring 29, which tightens, the toothed wheel 23 remaining in its rest position, visible in FIGS. 1 and 2.
  • the skater then actuates with his foot the pedal 6 so as to rotate it around the upper articulations, 9al and 9b1, of the links 9a and 9b.
  • the pedal 6 With this depression movement of the pedal 6, its front rollers, 12a and 12b, are guided respectively by the rear edges, substantially vertical, of the cams 13a and 13b, which certainly avoids any untimely actuation of the control levers, 15a and 15b, braking devices.
  • compression of the spring 31, and the lower end of the pusher 25, which, in the actuation position of FIG.
  • the attachment point 27 of the spring 29 also moves in the direction of the arrow f, and when said point 27 has reached above the axis 23a, said spring 29 can relax; thus the energy which had previously been stored in the spring 29, when the skater had given a heel kick, then reinforces the driving action of the pedal 6 on the median rollers 2a and 2b.
  • Figure 3 shows the pedal 6 in its fully depressed position, which can be defined for example by lower stops, not shown, and in which the pedal is again substantially horizontal, the entire pad having pivoted around the rollers driving 2a, 2b, so that it is now the front rollers 4a, 4b which are in contact with the ground S.
  • the pusher 25 ceases to exert a driving action on the toothed wheel 23 and, via the pinion 24 , on the middle rollers 2a and 2b, these will roll freely when, in the following seconds, the skate and the skater continue to advance by inertia, that is to say due to the kinetic energy that the present propulsion has given them.
  • the front rollers, 12a and 12b, of the pedal 6 therefore return to the upper parts of the cams 13a and 13b, also thanks to the relaxation of the spring 31, so that said pedal 6 finds itself in its standby position, and that , when the skater rests his right foot on the ground, he is able to brake, immediately, or at any later time, by tapping the front of the pedal 6.
  • This first embodiment of the invention may include variants indicated below by way of nonlimiting examples.
  • a rigid sole 34 for example of a metallic material, is interposed between, on the one hand, the pedal 6, and, on the other hand, the slipper 7 and the heel 8a of the foot skater; this rigid sole 34, the dimensions of which are adapted to those of the skater's foot, is joined to the middle part of the pedal 6 by a vertical pivot axis, 35, and blocking means (not shown) are provided to block the sole 34 on the pedal 6 in different positions, where the longitudinal axis, designated by A in FIG. 4, makes, with the longitudinal axis (III-III in FIG. 4), an angle ⁇ , the value of which can be adjusted, preferably continuously, for example between 0 and ⁇ 30 degrees.
  • this arrangement facilitates the use of roller skates according to the present invention by skaters whose feet are normally separated, when their heels are joined, by an angle 2p.
  • the angle can receive a positive or negative value, to allow adaptation to skaters whose axes of the two feet normally form a V, having its point facing either forward or backward.
  • the shoe can optionally be provided with a single drive wheel, for example 2a, the other middle wheel, 2b, being mounted idle. It is also possible to remove the second middle wheel 2b, and to arrange the frame 1 so that the single drive wheel, 2a, is located substantially in the plane of symmetry (III-111 in FIG. 4) of the shoe.
  • the total number of skate casters according to the present invention is optional, although it cannot be less than three. In the case where it is provided with two central rollers, it may have only one roller at the front and / or at the rear. In all these cases, the angle indicated in FIG. 1 can have a zero value, so that all of the skate wheels are always applied to the ground.
  • the skate may also not have central rollers, but only two rollers at the front or at the rear, and at least one roller at the rear or at the front, at least one of these rollers being driven.
  • roller skate could, as a variant, be provided with means making it possible to fix on the pedal 6, or on the midsole 34, the entire foot 8 of the skater, including his heel 8a.
  • the means for guiding the pedal 6 between its different positions can be produced in various ways; in particular, the guiding of the rear part of the pedal 6 by the wings 10a, 10b of the rear yoke is optional. The same does not apply to the guidance of the front part of the pedal 6 by the wings 11a and 11b of the front yoke; equivalent means could also be provided for laterally guiding the middle part of the pedal 6. In any case, these bilateral guides could be replaced by monolateral guides, possibly acting on opposite sides of the pedal 6.
  • the guide rollers 12a and 12b are optional and the cams 13a and 13b can have different shapes, or be replaced by equivalent means, to prevent the pedal 6 from actuating the control levers, 15a and 15b, of the braking devices when it passes from its actuation position of FIG. 2, to its position of depression of FIG. 3.
  • These braking devices themselves, and their control levers, 15a and 15b, are also capable of very diverse embodiments, comprising for example jaw brakes of the type used on bicycles.
  • skate casters according to the present invention on which the braking devices act, is optional material; theoretically, it suffices to be able to brake a single caster, regardless of its position relative to the elongated chassis 1; however, it is preferable to brake at least two casters located on either side of the chassis 1 simultaneously.
  • the pusher 25, fixed below the pedal 6, and the transverse finger 26, fixed to the toothed wheel 23, or to the equivalent toothed sector, can be replaced by a connecting rod, the two ends of which are articulated around horizontal axes, one below the pedal 6, and the other, on one face of the toothed wheel or of the equivalent toothed sector, at a point close to that occupied by the finger 26 in FIGS. 1 to 3.
  • the motion transmission device which consists, in the embodiment illustrated in FIGS.
  • the rear of the pedal 6 could be connected to the rear of the chassis 1, by a single link, similar to 9a and 9b, but arranged so as to pivot in the vertical plane of symmetry of the pad (designated by III-III on Figure 4).
  • the single compressed spring 31 could be replaced by a more compressed spring, notably two similar lateral springs, compressed respectively between the edges of the pedal 6 and the ends of a plate fixed transversely to the chassis 1.
  • the shape and construction of the chassis 1 are optional materials. Instead of having its rear part supported by one or two links, such as 9a and 9b, the pedal 6 could be pivotally mounted relative to the chassis 1 around one or two separate transverse axes, by means of members. known mechanics.
  • an additional spring could be stretched between an appropriate point of the chassis 1 and one to the monk of the links 9a and 9b, to help bring the pedal 6 from its rear position to its standby position.
  • the finger 26 for controlling the toothed wheel 23 can advantageously be replaced by a loose roller.
  • the second embodiment of a skate according to the invention is shown, seen from the side and in section, in FIGS. 5 to 8. In these views, one of the lateral sides of the chassis 1 has been removed to facilitate the understanding of the figures.
  • the chassis consists of a U-shaped beam in the wings of which passes, approximately halfway along, an axis 3 supporting the drive rollers 2a and 2b.
  • Two idler rollers 32a and 32b are provided in the axis of the beam and at its ends. The position of the axes of the idler rollers is preferably provided so that only the drive rollers and an idler wheel rest on the ground at the same time.
  • This arrangement defines two support polygons, a rear polygon and a front polygon, corresponding to the points of application of the body weight during walking or running movements. Indeed, walking is done by first placing the heel on the ground; during this phase, the body weight is transferred to the heel. When you want to stop, it is the front part of the advanced foot that supports the weight of the body and transmits it to the ground. In the skate according to the invention, natural movements have been taken into account to control the actuation of the skate or the braking by displacement of the weight of the body in the rear or front lift polygons.
  • the axis of the driving castors is brought closer to the caster rear than front caster. This position makes it easier to maintain the skid braking position and ensures stability at rest.
  • the movement transmission device (FIGS. 5 to 9) comprises a lever 33, articulated at one end on an axis 34, held in the chassis 1.
  • the other end of the lever is provided an axis 35 carrying, in its middle, a mad pulley 36 (Fig. 9) and at its ends, two rollers 37a, 37b.
  • These two rollers move in raceways 38a, 38b provided on the front longitudinal edges of the pedal 6 when the latter pivots around a first axis 39 carried by the legs 40a, 40b of a stirrup 40, the role will be specified later.
  • a first cable 41 one end of which is fixed to the central body 42, passes over the pulley 36 of the lever 33, then over a pulley 43 held in the central body 42 and is wound around a first drum part 44 at which it is fixed.
  • a second cable 45 one end of which is fixed by means of a spring 46 acting as a return system, is wound on the second part of the drum in the opposite direction to that of the first cable 41. In order to limit the size and however having a sufficient length of the second cable 45, the latter is folded over a pulley 47.
  • the drum 44 is mounted on the shaft 3, carrying the rollers
  • the drum 44 also carries a toothed wheel 48 capable of cooperating with the pawl 49 whose position and operation will be indicated later.
  • the braking device comprises a disc 50 keyed onto the axis 3 of the drive rollers and a friction pad actuated by the central body.
  • the shoe consists of a belt 51, fixed at one of its ends to the chassis 1, and the other end of which is fixed by means of a cable to a part of the central body 42.
  • a return spring 52 is provided between the end of the belt connected to the central body and the chassis 1.
  • the selection and control device forming a part of the braking and motion transmission devices, by which braking or propulsion is enabled, comprises the caliper 40, the central body 42, the pawl 49 and a pivoting stop 53
  • the legs 40a and 40b of the stirrup 40 form bent levers pivoting around a second axis 54 secured to the chassis, one end of the levers carrying the axis 39 on which the rear of the pedal 6 pivots.
  • the other end of the levers forms stops 55a-55b which limit the rotational movement of the stirrup upwards against the action of a spring 56 and allows the rear part of the pedal to immobilize during the waiting positions and braking.
  • the pivoting stop 53 consists of a U-shaped piece with a length corresponding to the length separating the legs 40a-40b (acting as rods) from the stirrup 40 and between which it can at least partially penetrate. This part pivots around a third axis 57 secured to the chassis passing through the end of its wings. The opposite end of the wings has a notch 58 in which the rear part of the transverse branch of the stirrup 40 is capable of being placed.
  • the central body 42 and the pawl 49 are arranged inside the branches of the pivoting stop 53 and on the same third axis 57.
  • the central body 42 is divided into two parts on either side of the axis 57: an upper part comprising, at its free end, a hook 59 directed towards the stirrup 40, and, at its lower part, an arm 60 at the end of which the braking belt cable 51 is fixed.
  • the upper part of the body central is hollowed out to form the yoke of the pulley 43 (FIG. 10) over which the cable 41 for transmitting movement passes.
  • the pawl 49 has an approximately U shape and pivots on the third axis 57 which crosses its transverse branch.
  • the upper lateral branch 61 when the stirrup 40 rests on the notch 58 of the pivoting stop 53, is provided so as to be above the transverse branch of the stirrup 40 but not in contact, while the branch lower lateral 62 is engaged with the teeth of the toothed wheel 48 under the action of a return spring 63.
  • Figure 5 shows the shoe in the waiting position. This position corresponds to the shoe fixed under the foot, the latter being raised, the shoe therefore bearing no weight.
  • the front of the foot 8 (soles and toes) is held on the pedal 6 by straps 64 (or any other device) and the back (heel) is loosely connected to the back of the pedal 6 by a device allowing the detachment of the heel 8a of the pedal.
  • the elements of the selection and control device are arranged as follows: the pivoting stop 53 pivots rearward as a result of its contact with the central body 42 which is pulled rearward by the return spring 52
  • the stirrup 40 rests by its stops 55a, 55b against the chassis 1 under the action of the spring 56.
  • the pawl 49 is engaged on the teeth of the toothed wheel 48 under the action of its return spring 63.
  • Figures 6 and 8 show the elements of the control and selection device in the position allowing propulsion.
  • the pedal 6 begins to sink from the rear by tilting the stirrup 40 whose transverse branch comes in front of the hook 59 and below it, presses against the upper lateral branch 61 of the pawl 49, which separates the lower lateral branch 62 from the toothed wheel 48.
  • the pedal 6 pivots forward and comes to rest via the rollers 37a, 37b on the lever 33 which swings forward in pulling on the first cable 41.
  • the cable 41 passing around the pulley 43 of the central body 42, presses the central body against the stirrup by applying the hook 59 against the transverse branch of the stirrup.
  • the calliper return spring can no longer act and the calliper is held under the hook 59.
  • the cable 41 drives the drum 44 by unwinding against the action of the spring 46, to which the second cable 45 is attached, and which is wound on the second part of the drum 44. Via the ratchet system contained in the drum, the rollers are rotated anti-clockwise. When the needs of propulsion require the lifting of the shoe above the ground for the installation of the second foot, the control and selection elements return to their waiting position allowing the cable 41 to be rewound around the drum and the spring to return 46 to his relaxed position.
  • Figure 7 shows the position of the control and selection elements in the braking position.
  • the pedal 6 acts on the lever 33 by tilting it forward.
  • the cable 41 passing through the pulley 36 of the lever pivots the central body 42 forwards under the transverse branch of the stirrup, while the pivoting stop 53 advances under the action of its return spring under the bracket to limit its downward rotation.
  • the pawl 49, under the action of its return spring, is brought into contact with the toothed wheel 48 and prevents any movement. As a result, the drum 44 is blocked and, unable to rotate, the length of the cable 41 is fixed.
  • the pivoting stop 53 and the central body 42 can form a single piece, the central body being extended towards the rear by a cylindrical part centered on the axis 57 and of radius equal to the distance from this axis at the lower edge of the transverse branch of the stirrup 40 when the legs of the latter are in abutment on the chassis.
  • selection and control means can be used for starting movement transmission or braking devices other than those described, for example devices using pneumatic or electrical means, by action on valves or contactors.

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  • Motorcycle And Bicycle Frame (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Friction Gearing (AREA)

Claims (18)

1. Rollschuh mit einem mit Rädern versehenen Rahmen (1), an dem ein zur Aufnahme des Fußes (8) dienendes Pedal (6) um mindestens eine quer verlaufende Achse (9a2) schwenkbar angebracht ist, und zwar zwischen einer Ruhestellung und einer Betriebsstellung, die es jedesmal einnimmt, wenn der Läufer mit seiner Verse (8a) eine Druckkraft auf den hinteren Teil des Pedals (6) ausübt, sowie einer Bremsvorrichtung (15a, 17a, 19a, 22a), dadurch gekennzeichnet, daß die Bremsvorrichtung (15a, 17a, 19a, 22a) am Rahmen (1) so angebracht ist, daß sie jedesmal betätigt wird, wenn der Läufer mit seiner Fußspitze in der Ruhestellung eine Druckkraft auf den vorderen Teil des Pedals (6) ausübt; daß der Rollschuh eine Bewegungsübertragungseinrichtung (25, 26, 23, 24) aufweist, die am Rahmen (1) so angebracht ist, daß sie jedesmal betätigt wird, wenn der Läufer mit seinem Fuß auf das Pedal (6) eine abwärts gerichtete Druckkraft ausübt, die es aus seiner Betriebsstellung in eine niedergedrückte Stellung übergehen läßt, und die mit mindestens einem der Räder (2a, 2b) so verbunden ist, daß sie bei jeder Betätigung des Pedals (6) auf dieses eine Antriebswirkung ausübt, sowie elastische Mittel, z.B. Federn (29, 30) zum Zurückholen des Pedals (6), wenn der Läufer den Fuß aus der niedergedrückten Stellung in die Ruhestellung anhebt.
2. Rollschuh nach Anspruch 1, dadurch gekennzeichnet, daß ein Teil der Brems- und der Bewegungsübertragungseinrichtung eine Wähl-und Steuervorrichtung (40,42,43,49) bildet, die mindestens zwei Bauteile (40, 42) aufweist, die übereinander oder untereinander gegeneinander drückbar sind, um aus der Ruhestellung durch Ausüben einer Druckkraft auf den hinteren Teil des Pedals (6) die Betriebsstellung und anschließend durch Ausüben einer Druckkraft auf den vorderen Teil des Pedals den Vortrieb anzuwählen, wobei ein Bremsen in dieser Stellung unterbunden ist, oder durch Ausüben einer Druckkraft auf den vorderen Teil des Pedals die Reibstellung anzuwählen, in der der Vortrieb unterbunden ist.
3. Rollschuh nach Anspruch 1, dadurch gekennzeichnet, daß eine Leerlaufvorrichtung zwischen die Bewegungsübertragungsvorrichtung (25, 26, 23, 24) und jedes mit dieser verbundene treibende Rad (2a, 2b) geschaltet ist.
4. Rollschuh nach Anspruch 1 oder 3, dadurch gekennzeichnet, daß das Pedal (6) an seinem hinteren Abschnitt mit dem Rahmen (1) durch mindestens einen Lenker (9a, 9b) verbunden ist, der an seinen beiden Enden so angelenkt ist, daß er in einer vertikalen Längsebene zwischen zwei Stellungen frei schwenkbar ist, und zwar zwischen einer vorderen Stellung und einer hinteren Stellung, die der Ruhestellung des Pedals (6) bzw. seiner Betätigungsstellung entspricht, und daß mindestens zwei elastisch verformbare Teile, z.B. Federn (29, 30), vorgesehen sind, von denen das erste zum Rückholen des Lenkers (6a, 6b) aus seiner rückwärtigen Stellung in seine vordere Stellung dient und das zweite zum Rückholen des Pedals (6) aus seiner niedergedrückten Stellung in seine Betriebs- oder Ruhestellung dient.
5. Rollschuh nach Anspruch 4, dadurch gekennzeichnet, daß die erste Feder (29) an der Bewegungsübertragungseinrichtung (25, 26, 23, 24) so angreift, daß ein Entspannen dieser ersten Feder (29), nachdem sie durch das Schwenken des Lenkers (9a, 9b) von vorne nach hinten gespannt worden war, während des Niederdrückens des Pedals (6) die Antriebswirkung des Pedals verstärkt.
6. Rollschuh nach einem der Ansprüche 1, 3-5, dadurch gekennzeichnet, daß die Bewegungsübertragungseinrichtung versehen ist mit mindestens einem Zahnrad (23) bzw. -sektor, der auf dem Rahmen (1) schwenkbar so gelagert ist, daß er mit einem auf der Achse (3) des treibenden Rades (2a, 2b) festgelegten Ritzel (24) kämmt, sowie mit Mitteln (25, 26) zum Übertragen der Niederdrückbewegung des Pedals (6) in eine Drehbewegung dieses Zahnrades (23) bzw. -sektors.
7. Rollschuh nach Anspruch 6, dadurch gekennzeichnet, daß das Zahnrad (23) bzw. der Zahnsektor mit dem schwenkbaren Pedal (6) durch einen Lenker verbunden ist.
8. Rollschuh nach Anspruch 6, dadurch gekennzeichnet, daß ein unterhalb des Pedals (6) in Querrichtung festgelegter Stößel (25) so ausgebildet ist, daß er beim Niederdrücken des Pedals (6) mit einem quer zum Zahnrad (23) bzw. -sektor festgelegten Fingers (26) zusammenwirkt, und daß ein elastisch verformbarer Bauteil, z.B. eine Feder (30), so angeordnet ist, daß es das Zahnrad (23) bzw. den Zahnsektor in seine Stellung zurückholt, in der sich der Finger (26) seinerseits in einer oberen Stellung befindet, und zwar unterhalb des Stößels (25), der von dem Pedal (6) in seiner Betriebsstellung angehoben wurde.
9. Rollschuh nach den Ansprüche 5 und 6, dadurch gekennzeichnet, daß die erste Feder (29) zwischen einem Punkt (9a1) des oberen Abschnittes des Lenkers (9a, 9b) und einem Punkt (27) des Zahnrades (23) bzw. -sektors gespannt ist, und zwar derart, daß bei einem Entspannen der ersten Feder (29) auf das treibende Rad (2a, 2b) ein Drehmoment im gleichen Sinne wie das aus dem Niederdrücken des Pedals (6) resultierende ausgeübt wird.
10. Rollschuh nach einem der Ansprüche 1, 3-9, dadurch gekennzeichnet, daß die Bremsvorrichtung ein beispielsweise von einem Hebel (15a, 15b) gebildetes Steuerorgan aufweist, das am Rahmen (1) schwenkbar gelagert ist, und daß ein elastisch verformbares Bauteil, z.B. eine Feder (16a, 16b) es normalerweise in seiner Bremslösestellung (19a, 19b) hält, wobei der Hebel (15a, 15b) so angeordnet ist, daß der vordere Teil des Pedals (6) ihn jedesmal, wenn der Läufer mit seiner Fußspitze eine Druckkraft auf ihn ausübt, ihn in seine Bremslösestellung (19a, 19b) verschwenkt.
11. Rollschuh nach einem der Ansprüche 1, 3-10, dadurch gekennzeichnet, daß er Mittel aufweist, die beispielsweise von einer Rolle (12a, 12b) und einem mit dem Rahmen (1) fest verbundenen Nocken (13a,13b) gebildet werden und die dazu dienen, das Pedal (6) und insbesondere seinen vorderen Abschnitt bei seinen Bewegungen zwischen den verschiedenen Stellungen zu führen und insbesondere zu verhindern, daß es beim Niederdrücken die Bremsvorrichtung (15a, 18a, 19a) nicht betätigt.
12. Rollschuh nach Anspruch 2, dadurch gekennzeichnet, daß die Wähl- und Steuervorrichtung gebildet wird von mindestens: einem Bügel (40) mit einer ersten Achse (39), auf der der hintere Teil des Pedals (6) schwenkbar ist, wobei der Bügel um eine mit dem Rahmen fest verbundene zweite Achse (54) schwenkbar ist;
einem zentralen Körper (42), der um eine mit dem Rahmen fest verbundene dritte Achse (57) schwenkbar ist, wobei diese Achse den Körper in zwei Abschnitte unterteilt, und zwar einen ersten Abschnitt, der eine Leerlaufrolle (43) und einen Haken (59) trägt, welcher zum Bügel (40) hin gerichtet ist und mit dem er zusammenwirken kann, sowie einen zweiten Abschnitt, der einen Arm (60) bildet, an dessen Ende ein Abschnitt (51, 52) der Bremsvorrichtung befestigt ist;
einer U-förmigen Klinke (49), die auf der dritten Achse (57) schwenkbar ist, wobei ein oberer seitlicher Schenkel (61) des U mit dem Bügel (40) und der andere untere seitliche Schenkel (62) mit einem Zahnrad (48) zusammenwirkt, das auf der Bewegungsübertragungsvorrichtung vorgesehen ist, wobei die Klinke eine Rückholfeder (63) aufweist, die den unteren Schenkel mit dem Zahnrad in Berührung bringt, wenn der untere Schenkel mit dem Bügel nicht in Berührung steht.
13. Rollschuh nach Anspruch 2, dadurch gekennzeichnet, daß die Bewegungsübertragungseinrichtung einen Hebel (33) aufweist, der mit seinem einen Ende am Rahmen (1) angelenkt ist, während das andere Ende versehen ist mit Rollen (37a, 37b), die mit Rollbahnen (38a, 38b) am vorderen Abschnitt des Pedals (6) zusammenwirken, sowie einer Riemenscheibe (36), um die ein Riemen (41) läuft, dessen eines Ende am zentralen Körper (42) festgelegt ist und dessen anderes Ende, das in die Riemenscheibe (43) des zentralen Körpers verläuft, um einen Abschnitt einer Trommel (44) gewickelt ist, die an der Welle (3) festgelegt ist, welche die treibenden Räder (2a, 2b) unter Zwischenschaltung eines Sperradsystems trägt, wobei die Trommel mit einem Rückspulsystem zum Rückspulen des Riemens versehen ist.
14. Rollschuh nach Anspruch 2, dadurch gekennzeichnet, daß die Bremsvorrichtung mindestens eine Scheibe (50), die mit der die treibenden Räder (2a, 2b) tragenden Welle (3) fest verbunden ist, sowie einen vom zentralen Körper (42) betätigten Reibbacken (51) aufweist.
15. Rollschuh nach Anspruch 14, dadurch gekennzeichnet, daß der Reibbacken von einem Kranz (51) gebildet wird, dessen eines Ende am Rahmen (1) festgelegt ist und dessen anderes Ende am Arm (60) des zentralen Körpers (42) festgelegt ist.
16. Rollschuh nach einem der Ansprüche 1-15, dadurch gekennzeichnet, daß eine Platte (34) zwischen dem Fuß (8) des Läufers und dem Pedal (6) angeordnet ist, wobei diese Platte (34) so montiert ist, daß sie auf dem Pedal (6) in unterschiedlichen Stellungen blockiert werden kann, in denen ihre Längsachse (A) mit der des Pedals (6) unterschiedliche Winkel (ß) einschließt, die beispielsweise zwischen 0 und + 30° liegen.
17. Rollschuh nach einem der Ansprüche 1-16, dadurch gekennzeichnet, daß Mittel (7, 64) vorgesehen sind, mit denen allein der vordere Teil des Fußes (8) des Läufers am Pedal (6) bzw. an der dazwischenliegenden Platte (34) lösbar festgelegt werden kann, während seine Ferse (8a) anhebbar bleibt.
18. Rollschuh nach einem der Ansprüche 1-17, dadurch gekennzeichnet, daß das oder die treibenden Räder (2a, 2b) relativ großen Durchmessers im mittleren Abschnitt des Rahmens (1) angebracht sind, dessen vorderer und hinterer Abschnitt jeweils mindestens ein leerlaufendes Rad (4a, 4b oder 5a, 5b, 32a, 32b) gleichen oder anderen Durchmessers trägt, und daß die beiden Ebenen, die ein treibendes Rad (2a oder 2b) und ein vorderes Rad (4a oder 4b, 32a) bzw. ein hinteres Rad (5a oder 5b, 32b) an der Unterseite tagentieren, zwischen sich vorzugsweise einen stumpfen Winkel einschließen, dessen Abweichung (a) von 180, nicht mehr als einige Grad oder einige Zehntel Grad ausmacht.
EP84400044A 1983-01-14 1984-01-10 Rollschuhe Expired EP0114131B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84400044T ATE26800T1 (de) 1983-01-14 1984-01-10 Rollschuhe.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8300555 1983-01-14
FR8300555A FR2539312A1 (fr) 1983-01-14 1983-01-14 Patin a roulettes
FR8321086 1983-12-30
FR8321086A FR2557466B2 (fr) 1983-01-14 1983-12-30 Patin a roulettes

Publications (3)

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EP0114131A2 EP0114131A2 (de) 1984-07-25
EP0114131A3 EP0114131A3 (en) 1984-08-15
EP0114131B1 true EP0114131B1 (de) 1987-04-29

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US (1) US4602801A (de)
EP (1) EP0114131B1 (de)
JP (1) JPS59186574A (de)
KR (1) KR930001626B1 (de)
AT (1) ATE26800T1 (de)
DE (1) DE3463340D1 (de)
FR (1) FR2557466B2 (de)

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US5310202A (en) * 1992-05-15 1994-05-10 Goodspeed Byron Lester Skateboard
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US5895065A (en) * 1996-02-29 1999-04-20 Khomo; Malome T. Method and means of enhancing human powered locomotion
DE19701721B4 (de) * 1997-01-20 2006-05-24 Henry Tunger Rollschuh mit einem über die Fußauflagefläche beaufschlagbaren Rollschuhantrieb
AT406123B (de) * 1997-09-29 2000-02-25 Atomic Austria Gmbh Schwenkbare verbindungseinrichtung zwischen einem sportgerät und einer aufstandsfläche für einen fuss eines benutzers sowie bindung zur halterung des fusses auf einem sportgerät
US6398229B1 (en) * 2000-07-17 2002-06-04 Dean Saylor Three-wheeled roller skate and method therefor
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FR2833671B1 (fr) * 2001-12-19 2004-02-13 Siemens Vdo Automotive Mecanisme de retour d'effort
CN1324236C (zh) * 2004-04-06 2007-07-04 关慎捷 重力发动机和旱冰鞋
US7568706B2 (en) * 2006-09-13 2009-08-04 Kenneth Yat Chung Ng Mechanism for conversion of vertical force to a torque and motive device and method employing same
US20100230925A1 (en) * 2009-03-11 2010-09-16 Todd Thielbar Four Wheel Human Powered Striding Cycle
FR2955780A1 (fr) * 2010-02-01 2011-08-05 Paul Chavand Chaussures ou sous-semelles roulantes permettant une marche rapide
SE534628C2 (sv) * 2010-02-09 2011-11-01 Marsblade Ab Inlinesskena
KR101218594B1 (ko) * 2010-09-07 2013-01-07 김지훈 바퀴 구동수단이 구비된 인라인 스케이트
SE535465C2 (sv) 2011-03-18 2012-08-21 Marsblade Ab Bindning samt en skida, skridsko eller sko med en sådan bindning
CN102553214B (zh) * 2012-01-20 2014-06-25 王葆敏 自跑鞋
EP2703053A1 (de) 2012-08-31 2014-03-05 Marsblade AB Kopplungsmittel
LV15401B (lv) * 2017-11-07 2019-12-20 BODNIEKS Māris Skrituļslida
USD842409S1 (en) * 2018-04-10 2019-03-05 Matthew Novick Set of roller skates powered by pump action

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Also Published As

Publication number Publication date
DE3463340D1 (en) 1987-06-04
KR850004905A (ko) 1985-08-19
FR2557466A2 (fr) 1985-07-05
FR2557466B2 (fr) 1986-05-30
EP0114131A2 (de) 1984-07-25
EP0114131A3 (en) 1984-08-15
KR930001626B1 (ko) 1993-03-08
US4602801A (en) 1986-07-29
ATE26800T1 (de) 1987-05-15
JPS59186574A (ja) 1984-10-23

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