EP0638343A1 - Schuh-Auflageeinrichtung auf Skis - Google Patents

Schuh-Auflageeinrichtung auf Skis Download PDF

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Publication number
EP0638343A1
EP0638343A1 EP94109591A EP94109591A EP0638343A1 EP 0638343 A1 EP0638343 A1 EP 0638343A1 EP 94109591 A EP94109591 A EP 94109591A EP 94109591 A EP94109591 A EP 94109591A EP 0638343 A1 EP0638343 A1 EP 0638343A1
Authority
EP
European Patent Office
Prior art keywords
support plate
section
profile
profiles
housing
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.)
Granted
Application number
EP94109591A
Other languages
English (en)
French (fr)
Other versions
EP0638343B1 (de
Inventor
Gilles Renaud-Goud
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.)
Salomon SAS
Original Assignee
Salomon SAS
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
Application filed by Salomon SAS filed Critical Salomon SAS
Publication of EP0638343A1 publication Critical patent/EP0638343A1/de
Application granted granted Critical
Publication of EP0638343B1 publication Critical patent/EP0638343B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A63C9/001—Anti-friction devices

Definitions

  • the invention relates to a device for supporting a boot on a ski, in particular but not exclusively an alpine ski.
  • the invention also relates to a ski binding equipped with such a support device.
  • a shoe is generally held on an alpine ski by fastening elements which retain its ends in a triggerable way, that is to say which release one or the other of the ends when it exerts an excessive stress.
  • the ends of the shoe also rest on support devices or support plates.
  • support devices or support plates To facilitate the release of the shoe, low friction bearing plates are generally used.
  • the support plate used for the front end is usually coated with a lining of anti-friction material, in particular polytetrafluoroethylene (which will be designated in the following PTFE).
  • anti-friction material in particular polytetrafluoroethylene (which will be designated in the following PTFE).
  • this lining on its support is a relatively delicate operation because of the non-stick properties of PTFE.
  • this assembly must withstand the climatic conditions in which the fastening elements evolve, snow, ultra-violet rays, temperature changes, etc.
  • French patent application published under the number 2,533,832 describes the bonding of such PTFE packings using a double-sided adhesive or an adhesive of cyanoacrylate or acrylic isocyanate type.
  • the PTFE has undergone a surface pretreatment on its underside, for example a treatment with sodium naphthalene or sodium ammonia.
  • fillers are incorporated into the material of the wafer to delay the penetration of ultraviolet rays, and to delay the deterioration of the bonding over time.
  • One of the objects of the invention is to propose a device for supporting a shoe, the anti-friction linings of which are mechanically assembled and are firmly held in their support.
  • Another object of the invention is to provide a support device whose assembly of the linings on their support is very simple.
  • the support device comprises at least one elongated profile made of anti-friction material, in particular PTFE, embedded in an elongated housing of a support plate which has in section a shape corresponding to the shape of the profile, with a depth less than the largest dimension in height of the profile, and which opens onto the upper surface of the support plate by a slot of width less than the largest dimension in width of the profile, so that the profile is retained in the housing , and that its upper part protrudes above the upper surface of the support plate.
  • PTFE anti-friction material
  • the support plate is made of a deformable material, that it has a slender groove which locally decreases its thickness, so that by bending the support plate, the width of the slot in the housing can be enlarged to a value greater than the largest width dimension of the profile.
  • the support is bent at rest so that the support of the shoe closes with force the housings on the profiles.
  • Figure 1 shows a front attachment equipped with a support device according to a first non-limiting implementation of the invention.
  • FIG. 2 is an exploded side view, in section of the support device of FIG. 1.
  • Figure 3 illustrates the mounting of the profiles in the support plate.
  • FIG. 4 illustrates a support device according to another non-limiting mode of implementation of the invention.
  • FIG. 5 is a side view in section of the device of FIG. 4.
  • Figure 6 illustrates an alternative embodiment
  • Figures 7 to 9 show different shapes of profiles.
  • FIGS 10 to 12 illustrate alternative embodiments of the invention.
  • Figure 1 shows in perspective a front binding 1.
  • the binding 1 comprises a binding element 2 and a support device 3 for the sole of the shoe.
  • the fastener is of any suitable type, and will not be described in detail. Overall, it comprises a base 4, surmounted by a body 5. The body 5 carries rearwardly a jaw 6 for retaining the shoe. The binding 1 is assembled to the ski by any suitable means, for example screws which pass through holes in the base.
  • the support device 3 is attached to the base which it extends backwards. This is not, however, limiting, and the support device could be isolated, or associated with any other element.
  • the support device 3 comprises in its upper part elongate profiles 8, 9 made of anti-friction material which extend in the transverse direction of the support device.
  • the sections have constant dimensions in section over their whole length. Any suitable material is suitable for the profiles. It is possible in particular to use profiles made of PTFE (polytetrafluoroethylene) and obtained by extrusion.
  • Figures 1 to 3 show two sections 8 and 9 arranged in parallel. This is not limiting, and according to the invention, any suitable number greater than or equal to the unit and any arrangement are suitable.
  • Figure 2 also shows profiles 8 and 9 of circular section. This is also not limiting, and as will appear later, any other suitable form is also suitable.
  • the profiles 8 and 9 are carried by a support plate 10.
  • the plate 10 has a generally rectangular view from above.
  • the plate 10 has an elongate housing 11, 12.
  • the housings 11, 12 have a cross-section corresponding to that of the profiles, but with a depth substantially less than the height of the profiles. Upwards, the housings 11, 12 open out through a long slit 13, 14, the width of which is less than the maximum width of the profiles. In this way, the profiles are embedded in the support plate 10, and their upper part projects upwards through slots 13, 14.
  • the housings 11 and 12 open laterally on each side of the support plate 10.
  • the support plate 10 has at its lower part a slender groove 15 which extends parallel to the housings 11 and 12.
  • the groove 15 is located between the housings 11 and 12. It has a rectangular section, and its upper edges are located near the housings 11 and 12. This, however, is not limiting.
  • the groove 15 and the housings 11, 12 locally reduce the thickness of the support plate and facilitate its bending as shown in FIG. 3.
  • Such bending produced in a plane perpendicular to the direction of the housings 11 and 12, with a curvature oriented on the opposite side to the housings, causes a deformation in section of the housings, and in particular an opening of the slots 13 and 14.
  • Such an opening allows the introduction of the profiles 8 and 9 into the housings 11 and 12. If one releases bending, the housings resume their initial shape, that is to say that they close on the profiles thus ensuring their maintenance.
  • the support plate 10 is made of a relatively deformable material such as, for example, a polyamide.
  • a relatively deformable material such as, for example, a polyamide.
  • This aptitude for deformation indeed allows it to flex as shown in FIG. 3.
  • the material is also relatively hard in the thickness direction of the support plate, so that on the one hand it holds the profiles firmly by closing, and that on the other hand, it offers the shoe stable and firm support.
  • the support plate is then mounted on an element such as a base plate 18 which will be described later in more detail.
  • This element has a long rib 17 of dimensions in section corresponding to the dimensions of the groove 15. This rib is intended to receive the groove 15 by interlocking, which achieves a sort of locking of the profiles in their housing, since any bending of the plate support 10 is then hampered.
  • the support plate 10 is substantially bent in the direction of the flexion described above.
  • This bending can be obtained by bending which is given during the manufacture of the support plate. It can also come from housings 11 and 12 which, in section and in a horizontal plane, have dimensions substantially smaller than the dimensions of the profiles, so that the profiles slightly force the housings to open.
  • the support plate 10 is assembled to the rest of the fixing by any suitable means.
  • the support plate is mounted above a base plate 18, the front part of which engages under the base of the fixing element.
  • the base plate 18 carries an elongated rib 17.
  • a covering cover 20 also holds the support plate 10 assembled to the base plate 18.
  • the cover 20 has in its upper part an opening 21 whose dimensions are substantially the same as the dimensions of the support plate seen from above.
  • the vertical retention of the support plate is for example produced by longitudinal edges 23 and 24 that the support plate 10 has at its base, which are housed in recesses 25, 26 of corresponding shape of the cover 20.
  • the cover is assembled to the rest of the fixing by any suitable means.
  • the cover is assembled to the base plate 18 by elastic deformation by means of small tabs which fit into corresponding housings of the base plate. These tabs are carried by the side panels 28, 29 of the cover. This however is not limiting.
  • the side panels 28 and 29 of the cover rise up to partially close the housings 11, 12, while however leaving the upper part of the profiles 8, 9 projecting. This guarantees the transverse maintenance of the profiles in their respective housings.
  • FIG. 4 represents another implementation of the invention.
  • the support plate 40, the housings 41, 42 for the profiles 48, 49 and the opening 51 of the cover 50 are curved in an arc of circle approximately centered on the heel of the shoe.
  • the mounting of the profiles 48 and 49 in the support plate 40 and the assembly of the support plate 40 between the base plate 18 and the cover 50 are similar to what has been described above.
  • Figure 6 shows an alternative embodiment.
  • the support plate 60 has a curved shape like the plate of the previous figure.
  • the housings 62 and 63 have locally a claw 64, 65 of annular shape. These claws are produced during the manufacture by molding of the support plate, at the joint plane of the pins which are used to shape the housings.
  • FIG. 6 shows diagrammatically at 66 and 67 such pins, the teeth of which each make half the length of a housing 62, 63. As can be seen in the figure, the ends of the teeth are chamfered to form the claw annular by halves.
  • the claws 64 and 65 penetrate into the material of the profiles, which improves their resistance in their housing by preventing any lateral sliding.
  • FIGS 7 to 9 show different shapes of profiles and illustrate the fact that one can choose this shape relatively freely.
  • FIG. 7 shows a section 70 of oval shape whose large dimension in section is horizontal. This oval shape increases the contact area with the shoe.
  • FIGS. 8 and 9 show a section 71, 72 which provides the shoe sole with a substantially flat bearing area.
  • These profiles are in two parts, a lower part, respectively 73, 74 which is embedded in a correspondingly shaped housing of the support plate, and an upper part, respectively 75, 76 projecting above the support plate.
  • the lower part 73 has a rounded shape, while the lower part 74 has in section a shape with angles.
  • FIG. 10 illustrates an alternative embodiment, according to which the support plate 80 has on its lower surface a groove 80 of great width.
  • the thickness of the support plate in the area of the housing for the profiles is reduced, which facilitates the bending of the support plate, the opening of the housing and the positioning of the profiles.
  • Figure 11 shows another variant in which the support plate 82 has a groove 83, 84 at the bottom of each housing 85, 86 of profile.
  • These grooves 83 and 84 reduce the thickness of the support plate 82 in the area of the housings.
  • the support plate 82 is placed on a smooth base plate.
  • FIG. 12 shows an alternative embodiment according to which two grooves 89, 90 open into each housing radially.
  • the support plate is curved, at least after the profiles are put in place, to ensure that the profiles are held under the support of the shoe.
  • the number of profiles is not limiting. It is the same for the number of grooves 15, that is to say that one could have on the lower surface of the support plate several grooves such as groove 15, distributed in parallel.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Chain Conveyers (AREA)
EP94109591A 1993-08-13 1994-06-22 Schuh-Auflageeinrichtung auf Skis Expired - Lifetime EP0638343B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9310057 1993-08-13
FR9310057A FR2708867B1 (fr) 1993-08-13 1993-08-13 Dispositif d'appui d'une chaussure sur un ski.

Publications (2)

Publication Number Publication Date
EP0638343A1 true EP0638343A1 (de) 1995-02-15
EP0638343B1 EP0638343B1 (de) 1997-03-05

Family

ID=9450265

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94109591A Expired - Lifetime EP0638343B1 (de) 1993-08-13 1994-06-22 Schuh-Auflageeinrichtung auf Skis

Country Status (5)

Country Link
EP (1) EP0638343B1 (de)
JP (1) JPH0759896A (de)
AT (1) ATE149370T1 (de)
DE (1) DE69401869T2 (de)
FR (1) FR2708867B1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH555688A (fr) * 1971-08-25 1974-11-15 Beyl Jean Joseph Alfred Plaque de glissement pour fixation de securite de ski.
FR2265423A1 (de) * 1974-03-29 1975-10-24 Gertsch Ag
FR2615748A1 (fr) * 1987-05-25 1988-12-02 Plastic Omnium Cie Piece d'appui pour fixation de ski, comportant un revetement a faible frottement
FR2652508A1 (fr) * 1989-09-29 1991-04-05 Salomon Sa Dispositif d'appui, sur un ski, de la partie anterieure de la semelle d'une chaussure.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH555688A (fr) * 1971-08-25 1974-11-15 Beyl Jean Joseph Alfred Plaque de glissement pour fixation de securite de ski.
FR2265423A1 (de) * 1974-03-29 1975-10-24 Gertsch Ag
FR2615748A1 (fr) * 1987-05-25 1988-12-02 Plastic Omnium Cie Piece d'appui pour fixation de ski, comportant un revetement a faible frottement
FR2652508A1 (fr) * 1989-09-29 1991-04-05 Salomon Sa Dispositif d'appui, sur un ski, de la partie anterieure de la semelle d'une chaussure.

Also Published As

Publication number Publication date
FR2708867A1 (fr) 1995-02-17
EP0638343B1 (de) 1997-03-05
DE69401869D1 (de) 1997-04-10
DE69401869T2 (de) 1997-07-03
ATE149370T1 (de) 1997-03-15
FR2708867B1 (fr) 1995-09-29
JPH0759896A (ja) 1995-03-07

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