Classifications

• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
  • A63C9/00—Ski bindings
  • A63C9/005—Ski bindings with means for adjusting the position of a shoe holder or of the complete binding relative to the ski
• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
  • A63C9/00—Ski bindings
  • A63C2009/008—Ski bindings with a binding element sliding along a rail during use or setting

Definitions

• the invention relates to a set for retaining a shoe on a gliding board.
• such a retaining assembly comprises two retaining elements which each hold one end of the shoe.
• the spacing adjustment is carried out by moving the two retaining elements so that the shoe remains centered on the machine.
• Patent application FR 2 151 666 describes several solutions for simultaneous adjustment of the two retaining elements.
• Patent application DE 22 46 668 also describes a construction using gears of different diameters so that the adjustment of the two retaining elements is done simultaneously but with proportional displacement amplitudes.
• connection device which ensures the simultaneity of movements and the immobilization of the retaining elements must be largely dimensioned to withstand all of the longitudinal stresses which are exerted by the boot during skiing. .
• connection device One possibility for relieving the connection device would be to equip each of the retaining elements with a locking device.
• this solution is not entirely satisfactory insofar as it requires a locking and / or unlocking intervention on each of the retaining elements during an adjustment.
• connection system only serves to ensure the simultaneity of movements, without being subjected to other constraints during the practice of skiing and in that the The adjustment operation is simple to carry out.
• restraining elements can be equipped with a simultaneous adjustment device, or each with an individual adjustment device, while having the same type of construction.
• the shoe retaining assembly comprises two mobile carriages carrying front and rear retaining elements, each carriage being guided in translation along a slide intended to be fixedly attached to the gliding board, l 'assembly having a connecting device provided for simultaneously moving the two carriages along their respective slide.
• each of the carriages is moved along its slide by a longitudinal screw movable in rotation whose body is engaged in one of the elements that are the base or the slide, and the net is engaged on another part from its periphery in a rack of the other element, that a drive rod connects the two screws, that the rod and the two screws are integral in rotation, and that at least one of the two screws is free to slide along the rod.
• Figure 1 is a side view in partial section of a retaining assembly according to a first non-limiting embodiment of the invention.
• Figures la and lb are local zoom views.
• Figure 2 is an exploded perspective view of the restraint assembly of Figure 1.
• Figure 3 is an exploded perspective view of a retaining assembly according to an alternative embodiment of the invention.
• FIG. 4 represents in side view and in section the retaining assembly of FIG. 3.
• FIG. 5 relates to another embodiment of the invention.
• FIG. 6 represents a rod usable with the retaining assembly of FIG. 5.
• Figure 7 relates to an alternative embodiment of the invention.
• Figure 8 shows another variant.
• Figure 9 shows a variant with an inversion mechanism.
• Figs 10 and 11 schematically represent an inversion mechanism in its two operating states.
• FIG. 12 relates to another variant embodiment of the invention.
• Figure 13 shows in perspective a carriage of Figure 12 seen from below.
• Figure 14 relates to an alternative embodiment of the invention.
• Figure 1 shows the central portion of a ski 1 surmounted by a retaining assembly 2 of a shoe.
• the restraint system can also be mounted on any other type of gliding board.
• the retaining assembly 2 comprises two retaining elements 3 and 4 which are each provided for releasably retaining the front and rear ends of a shoe.
• the front element 3 comprises a jaw 5 carried by a body 6.
• the body is pivotally mounted on a pivot 7 carried by a base 8 which will be described in more detail later.
• the body also contains an elastic return spring of the body in a position aligned with the longitudinal direction defined by the ski and the retaining assembly.
• the front element 3 also includes a support plate 9 intended to receive the shoe sole. The method of assembling this plate with the rest of the front retaining element will be described later.
• the rear element 4 comprises a jaw 10 movable relative to a body 11.
• the return spring of the jaw is housed in the body 11.
• a ski brake 13 is associated with the rear retaining element 4.
• the construction of the brake is known. It includes in particular a bearing 16 whose upper surface is provided as a bearing surface for the shoe sole, two braking spades 14a, 14b which are articulated relative to the bearing, which are actuated by a pedal 15 and returned to a position braking by a spring formed with the extension of the spade wires.
• the retaining elements and of the brake are not limiting and other known constructions could also be suitable.
• the front element could have a body secured to its base and a jaw movable relative to the body.
• the rear element could have an integrated body and jaw, the assembly being carried by arms connected to the base by an articulated connection or an integral connection.
• a return spring independent of the spade wires could be used.
• the retaining elements 3 and 4 are each slidably mounted along a slide, respectively 18 and 19.
• the slides are made of metal or even of plastic. They are designed to be fixedly attached to the ski by any suitable means, in particular screws, or else by bonding or welding to the upper surface of the ski.
• a plate 20, 21 for example of plastic material is interposed between each of the slides and the upper surface of the ski.
• the base 8 of the front retaining element and the body 11 of the rear element are each mounted on a carriage, respectively 24, 25, which has a section capable of cooperating in sliding with the slide with which it is associated.
• the slides have a profile, the edges of which are folded back to form runners, and the carriages have lateral edges which are engaged in the runners.
• the slides In a longitudinal direction, the slides have a length greater than that of the carriages.
• the shape and dimensions of the elements which cooperate during sliding can be different for the two retaining elements.
• the base 8 and the body 11 are molded in one piece with their respective carriage.
• these parts are made of plastic material possibly loaded with fibers by injection molding.
• Other materials such as a metal alloy may also be suitable.
• the bearing 16 of the brake 13 is fixed to the rear carriage 25, in front of the body 11.
• each of the carriages is moved longitudinally using a helical screw of the worm type, respectively 28, 29.
• the screws have their axes aligned and oriented parallel to the longitudinal direction of movement.
• the threads of the screws are engaged over part of their periphery in a rack respectively 30, 31 formed in the bottom wall of each of the slides and oriented in a longitudinal direction.
• each of the racks is formed by a series of spaced notches and oriented according to the pitch of the screw.
• the screw has a thread with a trapezoidal or square section. Other sections may also be suitable.
• the slides have a gutter shape, in order to increase the contact area between the screw and the rack.
• the racks extend over only part of the length of the slides, they open at the ends of the slides which are opposite to facilitate the positioning of the carriages in the slides.
• the body of the screws is engaged in a housing, respectively 32, 33 made in the thickness of the carriages 24, 25, and where appropriate of the material which is located above the carriage.
• the housings open onto the lower surface of the carriages. Their dimensions in depth are provided to allow rotation of the screws about their axis, the screw also being engaged with the rack when the carriage is engaged in the slide.
• the housing 32 of the front carriage 24 is located in the rear part of the carriage, behind the support plate 9. This position is not however limiting.
• the housing 33 is located directly above the body 11. This position is also not limiting.
• the housing forms a longitudinal stop for the screw so that the front carriage is integral with the longitudinal movement of the screw.
• the engagement of the carriage on the slide is done by the rear end of the slide.
• the rotation of the screw 28 controls the longitudinal movement of the front carriage relative to the slide.
• the screw is stationary in rotation it forms a longitudinal stop which opposes the displacement longitudinal of the carriage.
• the housing provided for the screw has a length greater than that of the screw to allow a longitudinal displacement of the rear carriage relative to the screw over a limited amplitude to allow the body to recede during ski flexions.
• a recoil spring 35 is housed in the housing 33 between its front wall and the screw 29, and optionally, an intermediate plate 34 is interposed between the spring and the screw. The spring 35 and the plate are crossed by the rod.
• the recoil spring 35 resiliently pushes the carriage 25 and the body 11 of the heel piece forward until the screw 29 abuts against the rear wall of its housing.
• the rotation of the screw 29 controls the longitudinal movement of the carriage 25.
• the body can move back over a limited amplitude against the elastic restoring force generated by the spring 35. The longitudinal stresses are transmitted by the screw to the slide and to the ski.
• the method of mounting the screws is not limiting, and the body of the screw could be housed in the slide with the thread of the screws engaged with a rack hollowed out on the underside of the carriages.
• the screws are rotated by a slender rod 40 which extends from one carriage to the other while crossing the screws along their longitudinal axis.
• Each of the carriages has on the axis of the screws a tubular corridor 42, 43 which opens into each housing. The rod is engaged in this corridor.
• the rod has for example a square section, and the screws have a central housing of corresponding section.
• Other sections could also be suitable, for example a hexagonal section.
• the central housing of the screws have a flared shape towards each of the ends of the screw so as to allow a slight angular misalignment between the rod and the axis of the screw.
• the rod allows the simultaneous rotation of the two rotating screws, which also drives the two carriages in longitudinal translation in opposite directions.
• the screws have the possibility of sliding longitudinally along the rod during the rotation of the assembly.
• an optional rod or screw brake is provided, which could for example be an elastic strip or a pin resting against the different faces of the rod or any other suitable means capable of creating a succession of points. hard, or a continuous friction during the rotation of the rod and screws.
• the screws and the rod are made of any suitable material, for example metal or acetal resin or plastic loaded with fibers.
• a housing 44 is provided for the support plate 9 in the rear part of the front carriage 24.
• the housing opens into the upper part of the carriage as well as into the corridor 42 of the carriage.
• the support plate 9 has a lower base pierced with a longitudinal orifice which is aligned with the tabular passage when the support plate is engaged in its housing 44. Once in position, the rod retains the support plate in its housing while allowing it to tilt laterally causing the elastic compression of one or the other of two elastic pads 48 and 49.
• the support plate is reinforced by a stirrup 50, and a spacer tube 51 is engaged on the rod in the region of the plate 9.
• the support plate could also be suitable.
• the support plate could be fixed and formed by an area raised relative to the carriage.
• the rod has rearward a coupling head 53 which internally has an imprint of hexagonal or other cross section provided for coupling with an operating member.
• the operating member is a rod guided in an oblique barrel 57.
• the barrel is carried by a secondary carriage which is attached to the rear end of the carriage 25 by interlocking of complementary shapes and by transverse pins of link.
• the secondary carriage has a cross section which enables it to engage in the rear slide and to slide with the rear carriage 25.
• the end 56 of the rod 55 has a general shape of a ball with angular facets in order to be able to penetrate into the coupling imprint of the head 53, and drive it with a ball-joint effect.
• a crank 60 is coupled to the other end of the rod. The crank allows the rod to rotate, and therefore the rod.
• the crank is connected to the rod around a transverse pin which allows it to be folded along the barrel. We can predict that in the folded position the crank is immobilized in rotation relative to the barrel.
• the operating member is coupled to the rod only for the adjustment operations.
• the head is accessible at the end of the rear carriage, and a manual tool or an electric tool is coupled to it.
• FIGS 3 and 4 relate to an alternative embodiment of the invention.
• the retaining elements 63, 64 and their mounting on the slides 68, 69 with the screws 65, 66 and their drive rod 67 are constructed in the same way as that which has been described previously.
• the slides 68 and 69 receive at their lower face a stirrup 70, 71.
• the stirrups are fixed to their respective slide by any suitable means, for example by screws, rivets, by welding or other.
• the slide and Terrier could also be made in one piece.
• the stirrups 70 and 71 are provided for riding the ski. They each have two lateral legs 70a, 70b, 71a, 71b. The spacing of the legs is equal to the width of the ski in the area of the skate, and the legs are each pierced with a hole provided for the passage of a journal 74, 75 of connection to the ski which crosses the structure of the ski in the skate area.
• an elastically deformable plate 78, 79 is housed under the slide 68, 69 on either side of the pins 74, 75 for an elastically deformable cushion effect between the slides and the ski.
• the holes in the legs and the holes in the ski are such that the slides are raised relative to the surface of the ski with a slight compression of the pads 78, 79.
• the ski is of a known type.
• it is produced in accordance with the ski which is described in patent application EP 938 917, EP 1 000 641.
• stirrups 70 and 71 are connected together to form a support plate for the retaining elements, as described for example in patent application WO 99/38583.
• the ski is more free to flex regularly. Indeed, in the areas of the slides, there is a possibility of relative rotation between the ski and the slides over a limited amplitude.
• Figures 5 and 6 relate to an alternative embodiment of the invention.
• the drive rod 80 is removable, that is to say that it is engaged in the screws 82 and 83 and the corridor of the carriages 84, 85 only when the position of the retaining elements is adjusted. Once the adjustment has been made, the rod 80 is removed from the assembly. The retaining elements are then held in position by the screws 82 and 83. So optional, in this case, the rod is a tool available to the retailer. A brake can be provided at the level of the screws to ensure their immobilization in the absence of the rod.
• FIG. 6 represents an embodiment of such a tool.
• the rod has at its end a support 88 which is provided to rest on the ski and which has at its top a crank for driving the rod.
• the tool could be constructed differently, in particular provision could be made to couple the rod to an electric drive motor.
• FIG. 7 relates to another variant embodiment of the invention where the rod 90 is in two portions 91 and 92 which are coupled together by a sliding sleeve 93.
• Each rod portion has a head 96, 97 at the opposite ends of the two carriages which is provided for the coupling of a tool.
• the two heads are immobilized in longitudinal translation relative to their respective carriage. The position adjustment can in these conditions be carried out from any one of the ends of the rod.
• each of the carriages 98, 99 is equipped with a rod portion 100, 101.
• the portions are not coupled, and the adjustment is carried out independently for each retaining element.
• This variant shows that it is possible to produce retaining elements with an individual position adjustment using the same components as those described above, the only different component being the rod. It is therefore possible to use the same construction of retaining elements and their carriage to produce a retaining assembly intended for sale to the public, and an assembly intended for rental.
• the rod 108 is in two portions 109 and 110 coupled together by a mechanism 111 for reversing the direction of rotation.
• the mechanism has two states, one in which the portions have the same direction of rotation, and the other in which they have opposite directions of rotation.
• the drive rod moves the two retaining elements in opposite directions to adjust their spacing, or in the same direction, to adjust the position of the assembly relative to the center mark. ski boot.
• FIG. 10 schematically show such a mechanism produced using gears.
• the driving rod portion 110 drives a pinion 114 which in turn drives a relay pinion 115 with two stages of different diameter on which a pinion 116 coupled to the receiving portion 109 is engaged.
• the pinion 116 also has two stages of different diameter. In this state, the two portions have the same direction of rotation.
• the small diameter stage of the relay pinion 115 drives a second relay pinion 118 on which the small diameter stage of the pinion 116 is engaged.
• the two portions have opposite directions of rotation.
• Any suitable means is suitable for moving from one state to another.
• it is possible to operate by moving the housing 111 which moves with it the two relay pinions.
• the reversing mechanism could be housed in one or the other of the two carriages.
• FIG. 12 shows another embodiment of the invention applied to a stirrup type retaining assembly.
• the stirrups 120 and 121 are carried by carriages 122, 123. Each of the carriages is mounted to slide along an end portion of a base
• each carriage has a housing 124 provided for a worm-type screw
• the two screws have reverse pitch. They are rotated by a rod 128 having a coupling head 129.
• the base rests on a slide 130 in which two racks 132, 133 are formed in the longitudinal direction defined by the base.
• the carriages are guided on the lateral edges of the slide 130 by lower edges 122a, 122b.
• the spacing adjustment of the two carriages is carried out according to the same principle as that which has been described previously. Once the adjustment has been made, the longitudinal forces exerted on the carriages are taken up by the screws 126, 127 and the slide 130.
• the two screws 146, 147 are engaged in a rack, respectively 148, 149 dug in the front and rear carriages 150, 151.
• the carriages are each slidably mounted along a slide 152, 153 connected integrally to the ski.
• Each rack and screw set has an inverted pitch.
• the two screws 146, 147 are crossed by a drive rod 155, which in the illustrated case is accessible on the rear of the body of the rear element by a head 156.
• the front screw 146 is housed in a recess hollowed out at the bottom of the front slide. Towards the front, the screw is retained by a ring 157 secured to the rod, which is itself retained by a stop 158, for example formed by a folding of the wall of the slide.
• the front screw is retained by a shim 160.
• the shim 160 is attached and secured to the slide 152 after the elements have been placed in their respective slide.
• the rear screw 147 is retained forwards by a ring 161 secured to the rod.
• a stop 162 formed for example by a folding of the wall of the slide is located in front of the ring 161 to facilitate the positioning of the assembly during its assembly.
• the rear screw is pushed forward by a spring 163 mounted along the rod and resting against the head 156 of the rod.
• the screws 146 and 147 are integral in rotation with the rod 155.
• the rear screw 147 and possibly the front screw 146 are slidably mounted along the rod.
• the assembly of the assembly is carried out as follows.
• the slides are assembled to the ski at a predefined spacing, a sub-assembly is formed with the two retaining elements and their respective carriage as well as the rod and the screws in position in their respective rack.
• the wedge 160 is also placed on the rod, behind the screw 146.
• the sub-assembly is engaged on the slides, each carriage being presented from the rear of its respective slide.
• the bottom of the slides is clear enough on the back to allow the passage of screws 146 and 147.
• the subassembly is advanced until the ring 157 comes to bear against the stop 158.
• the wedge 160 is then immobilized on the slide 152, for example using screws which are screwed into the wedge 160 and the slide through orifices located in the support plate 164.
• the rod 155 is pivoted from the head 156, which causes the simultaneous displacement of the retaining elements in opposite directions.
• the invention is not limited to the field of alpine skiing, it also applies to the field of short skiing also called “skiboard”, snowboarding, and in general to sports practices where the boots of the 'user are retained on a gliding or rolling board.

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• Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

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• 2001
  • 2001-10-31 FR FR0114491A patent/FR2831455B1/fr not_active Expired - Fee Related
• 2002
  • 2002-10-31 WO PCT/FR2002/003764 patent/WO2003037452A1/fr not_active Application Discontinuation
  • 2002-10-31 EP EP02785579A patent/EP1439890A1/de not_active Withdrawn

Non-Patent Citations (1)

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