US20010050472A1 - Device for coupling a shoe with a sports gear - Google Patents
Device for coupling a shoe with a sports gear Download PDFInfo
- Publication number
- US20010050472A1 US20010050472A1 US09/423,319 US42331999A US2001050472A1 US 20010050472 A1 US20010050472 A1 US 20010050472A1 US 42331999 A US42331999 A US 42331999A US 2001050472 A1 US2001050472 A1 US 2001050472A1
- Authority
- US
- United States
- Prior art keywords
- shoe
- sole
- elastic
- fixing
- cooperating
- 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
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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
- A63C9/20—Non-self-releasing bindings with special sole edge holders instead of toe-straps
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C2201/00—Use of skates, skis, roller-skates, snowboards and courts
- A63C2201/06—Telemark
Abstract
Description
- The instant invention concerns a system for fixing a shoe to a sports gear, especially a gliding sport, such as cross-country skiing, touring, telemark skiing, ice skating or roller skating.
- In traditional fixing systems of the type used in cross-country skis, the fastening of the shoe on the sports gear is generally obtained at the front thereof by means of a hinge type of coupling which allows the shoe to have a clearance with respect to the sports gear, i.e., the heel can be lifted.
- Ice skates or roller skates are also known to possess a journalled coupling of the shoe with the sports gear, thereby allowing the stride to be lengthened and the speed to be increased.
- Such coupling systems have proven themselves. However, their drawback is that the shoe sole has to be both rigid in the transverse direction and during torsion, while also remaining flexible enough to allow, insofar as possible, the foot to move naturally.
- Since these requirements are contradictory and difficult to reconcile on one single element, the ski is not always controlled and guided in an optimum manner.
- On the other hand, shoes belonging to such systems generally comprise a transverse axis located at the sole front end which can become a hindrance while walking.
- Identical problems are encountered in other fields, especially skating.
- Document WO 96/23558 proposes coupling the shoe front part, up to the zone known as the metatarsophalangian joint, by means of an elastic element anchored at one end to the fixing element, and that gets fastened, by its free end in the shoe sole, at the rear of said zone. This elastic element provides the shoe with the desired stiffness characteristics transversely and in torsion, and at the same time exerts a constant return force of said shoe towards the sports gear. The result is an improved control and guidance of the sports gear.
- Nonetheless, this elastic element is subjected to substantial fatigue and rapid wear due to the repeated bending of the foot during the sporting activity, such that the stiffness and elastic return properties indicated hereinabove get altered over time.
- The object of the instant invention is to overcome these drawbacks and propose an improved fixing device that reconciles the problems of the lifting of the shoe heel, torsional control and material fatigue.
- This object is achieved in the fixing device of the system according to the invention which is of the type comprising front stop means cooperating with the shoe front end, and elastic catching means cooperating with the sole associated catching means arranged behind the sole front end, and exerting on said sole a tension pressure towards said stop means, due to the fact that the elastic catching means are anchored on the fixing device at the rear of the front stop means.
- This construction leads to a substantial reduction in the bending stresses of the elastic catching means which, as a result, are less prone to wear by reason of fatigue, and furthermore exert a more constant tension pressure and elastic return pressure.
- According to a preferred embodiment, the anchoring means of the elastic catching means are longitudinally mobile countering the elastic means. This construction guarantees that when the shoe bends, the return elasticity will preferably be provided by the compression of the elastic means rather than by the bending of the catching means. Consequently, the return elasticity can be better controlled.
- Also, the anchoring of the elastic catching means is advantageously constituted of a journal, which allows it to remain completely free of any bending related energy.
- At any rate, the invention shall be better understood and other characteristics thereof shall become more apparent from the description that follows with reference to the annexed schematic drawings representing, by way of non-restrictive examples, several preferred embodiments of the invention in which:
- FIG. 1 is a perspective view of a fixing device according to the invention during its operation,
- FIG. 2 is a partial longitudinal cross-sectional view of the fixing device of FIG. 1 in the position for being put on,
- FIG. 3 is a view similar to FIG. 2, in the closed position, when the shoe is at rest,
- FIG. 4 is a view similar to FIG. 3 when the shoe is in the lifted position,
- FIG. 5 is a partial cross-sectional view of the shoe lower part,
- FIG. 6 is a schematic view of another embodiment during the closure of the fixing device.
- FIG. 1 shows the application of the coupling system according to the invention at the coupling of a
ski 1 with across-country ski shoe 10, such coupling occurring by way of afixing device 20 and a guidingrib 70. - As shown in FIG. 5, the
shoe 10 comprises a sole 11, equipped at its front end with a wideperipheral edge 12 that defines, at its joining with the shoe upper, aneck 13, and comprises along the entire length of its lower surface a medianlongitudinal groove 14. At its front end, the sole 11 curves upwardly in a slight curvature 11 a, in the manner of traditional mountaineering shoes. The curve 11 a is adapted to facilitate the movement of the shoe, as shall be seen later. - Furthermore, an
insert 15 is fixed, for example, byscrews 16 or even by duplicate molding, to the base of thegroove 14, in a zone corresponding substantially to the metatarsophalangian joint zone. Thisinsert 15 defines ahook 17 oriented towards the rear. - All these shoe elements are adapted to cooperate with the
fixing device 20 as shall be seen later. - As shown in FIG. 2, the
fixing device 20 is constituted of aseating 21 fixed on theski 1 byscrews 22, and on which is journalled alatching lever 30, by means of anaxis 31. Moreover, thelatching lever 30 is connected to theseating 21 by two lateral connectingrods 32, journalled, on the one hand, at 33 on saidlever 30 and by atransverse axis 34 sliding in thelateral slots 23 of the seating, on the other hand. - The lever30-connecting
rods 32 assembly forms a knuckle joint system whose neutral line is defined by theaxes - Thus, when the
lever 30 is lowered into the closed position shown in FIGS. 3 and 4, thejournal axes 33 of the connectingrods 32 at the lever pass below said neutral line and the position of equilibrium is stable. The knuckle joint system requires a certain force to cross theaxis 33 on both sides of the neutral position, and this guarantees that the lever will not open in an ill-timed manner. - A substantially cap shaped
slide 35, comprising twolongitudinal walls 36 and abase wall 37 is also mounted on thetransverse axis 34. Thisslide 35 receives acompression spring 38. - The
spring 38 is kept between thebase 37 of the slide, which comprises a projection 37 a adapted for this purpose, and thefront end 41 of acarriage 40. Thecarriage 40 is slidably mounted in theseating 20 which comprises, to this end, a guidingslide 25 opening laterally along the sides of theseating 20. An elastic catchingwire 50 adapted to cooperate with theshoe hook 17 is journalled at therear end 42 of thecarriage 40. - The elastic catching
wire 50 is substantially U-shaped and comprises atransverse arm 52 adapted to cooperate with thehook 17 and twolateral arms 51 whosecurved ends 53 are journalled on thecarriage 40. - The fixing device also comprises front stop means, incidentally constituted of a
stirrup 60 comprising ahorizontal arm 61 shaped in a circular arch and corresponding to the shape of theneck 13 of the shoe sole, and adapted to receive the latter and twolateral arms 62, that are substantially vertical and journalled by theirends 63, on theseating 20. Thestirrup 60 is arranged at the front of the elastic catchingwire 50 and can therefore pivot about itsends 63. - Naturally, other shapes could be envisioned for the stirrup depending on the shape of the sole.
- The stirrup could also be provided not to cooperate with the
sole neck 13, but only with the upper surface of theperipheral edge 12. - Finally, the fixing device comprises a guiding
rib 70 whose transverse section corresponds to that of theshoe groove 14 and whosefront end 71 gets adjusted to the rear part of theseating 20 which also forms a guiding rib. - The fixing system according to the invention works as follows. The
shoe 10 is positioned in the fixing device by introducing its sole front end in thestirrup 60 until theneck 13 comes into abutment with thehorizontal arm 61 of the stirrup (see FIG. 2). - The shoe therefore gets latched by lowering the
lever 30, which has the effect of pulling thecarriage 40 and therefore the catchingwire 50 towards the front until itsarm 52 gets housed in the base of the hook 17 (see FIG. 3). - This closing movement is helped by the
spring 38 which tends to push thecarriage 40 back towards the front. Thespring 38 also allows compensating for the snow wedges that could get formed in the shoe sole. - While skiing, the shoe, whose heel remains free, can bend, carrying the catching
wire 50 along its path, which both slides towards the rear into theseating 20 by compressing thespring 38 by means of thecarriage 40, as well as pivots towards the top about its ends 53 (see FIG. 4). - The
spring 38 therefore provides the return energy of the shoe towards the upper surface of the ski since it tends to relax, and therefore returns the catchingwire 50 towards the front. - The return energy is therefore not provided by an elastic deformation of the
wire 50 which therefore ages much better. - Furthermore, this return energy is completely defined since it is provided by the compression of a
compression spring 38 and is better controlled and better controllable than would have been the case if it had been provided by the bending of a wire, as in the prior art. - In addition, the displacement, towards the rear with respect to the front stop means60, of the
anchor 53 of the spring wire provides a triangulation, enabling a better retention of the shoe, especially in the transverse direction. - This triangulation, and especially the journalled anchoring of the catching
wire 50 by itsends 53, also allows for a greater bending clearance of the shoe, a property desired in cross-country skis. - It should be noted that the journalled anchoring of the
stirrup 60 on theseating 20, combined with the rounded shape 11 a of the sole front, enabling a slight pivoting thereof towards the front when the shoe pivots, therefore allows it to accompany the motion of the movement of the shoe at the end of a stride, and therefore increases the amplitude of the stride even further. In practice, an increase on the order of 10 to 15° of the clearance of the shoe at the end of a stride can be obtained due to the rounded shape 11 a of the sole thereof towards the front, which is especially interesting. - Finally, the presence along the entire length of the shoe sole, of the guiding
rib 70, which gets extended by the rear portion of theseating 21 up to the shoe front end, allows controlling the movement of the shoe until the motion ends, by providing it with a support and an abutment in the transverse direction. - As can be seen especially from FIG. 1, the guiding
rib 70 is interrupted in the metatarsal zone for the passage of the catchingwire 50 and the shoe associated hook. - The shapes of the guiding edges are designed also to optimize the guidance of the shoe.
- FIG. 6 is a schematic illustration of a second embodiment in which similar or identical elements have been designated by the same references increased by100.
- In fact, this fixing system comprises the same latching elements or, in other words, a
front stop stirrup 160, journalled at 163, a catchingwire 150 connected to a slidably mountedcarriage 140, which is biased towards the front by aspring 138 and whose longitudinal displacement is controlled by a lever 130. - The main difference lies in the position of the
journals rods 132 that are located at the rear of thespring 138. Otherwise, the operation is identical. - Naturally, the instant invention is not limited to the embodiments described hereinbefore by way of non-restrictive examples, and can encompass all similar or equivalent embodiments.
Claims (15)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR98/03646 | 1998-03-19 | ||
FR9803646A FR2776200B1 (en) | 1998-03-19 | 1998-03-19 | DEVICE FOR CONNECTING A SHOE TO A SPORTS ARTICLE |
FR9803646 | 1998-03-19 | ||
PCT/FR1999/000502 WO1999047219A1 (en) | 1998-03-19 | 1999-03-05 | Device for coupling a shoe with a sports gear |
Publications (2)
Publication Number | Publication Date |
---|---|
US20010050472A1 true US20010050472A1 (en) | 2001-12-13 |
US6435537B2 US6435537B2 (en) | 2002-08-20 |
Family
ID=9524454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/423,319 Expired - Lifetime US6435537B2 (en) | 1998-03-19 | 1999-03-05 | Device for coupling a shoe with a sports gear |
Country Status (7)
Country | Link |
---|---|
US (1) | US6435537B2 (en) |
EP (1) | EP0984821B1 (en) |
AT (1) | ATE295209T1 (en) |
DE (1) | DE69925214T2 (en) |
FR (1) | FR2776200B1 (en) |
NO (1) | NO314787B1 (en) |
WO (1) | WO1999047219A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150209650A1 (en) * | 2014-01-24 | 2015-07-30 | Technische Universitat Munchen | Ski binding with forefoot fixing module |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0951926B1 (en) * | 1998-04-24 | 2004-12-01 | Rottefella A/S | Touring,Telemark or cross-country binding |
WO2001066204A1 (en) * | 2000-03-07 | 2001-09-13 | Rottefella As | Ski binding |
NO315639B1 (en) * | 2001-06-05 | 2003-10-06 | Linken Binding As | ski boot |
FR2850031B1 (en) * | 2003-01-21 | 2006-08-11 | Salomon Sa | ENERGY FIXING DEPORTEE |
US7159891B1 (en) * | 2003-11-26 | 2007-01-09 | Dale Niggemann | All-terrain ski |
FR2882658B1 (en) | 2005-03-07 | 2007-05-04 | Salomon Sa | DOUBLE CONTROL FIXING DEVICE |
FR2890317B1 (en) | 2005-09-08 | 2007-11-23 | Salomon Sa | PERFECTLY ANCHORING FIXING DEVICE |
FR2894836B1 (en) | 2005-12-16 | 2008-02-22 | Salomon Sa | BACKGROUND SKI SET AND DOWNHOLE SKI FIXING DEVICE |
FR2899121B1 (en) | 2006-03-29 | 2008-07-04 | Salomon Sa | BACKGROUND SKI SET AND DOWNHOLE SKI FIXING DEVICE |
FR2910337B1 (en) * | 2006-12-20 | 2009-06-05 | Salomon Sa | ARTICLE COMPRISING A MOBILE BUTTON BETWEEN AT LEAST TWO POSITIONS |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2764418A (en) * | 1954-02-18 | 1956-09-25 | Shimizu Giichi | Ankle and heel binder mechanism for skis |
US4135734A (en) * | 1976-03-18 | 1979-01-23 | Establissements Francois Salomon & Fils | Ski binding |
DE2846914C2 (en) * | 1978-10-27 | 1981-03-12 | Geze Gmbh, 7250 Leonberg | Safety plate ski binding |
US4282660A (en) * | 1980-02-20 | 1981-08-11 | Hanson Industries Incorporated | Leg-size adjusting form fitting boot |
IT1180969B (en) * | 1984-04-11 | 1987-09-23 | Tessaro Mario Matess | SELF-LOCKING CROSS-COUNTRY SKI ATTACK FOR THE FOOTWEAR |
FR2595951B1 (en) * | 1986-03-19 | 1989-08-11 | Salomon Sa | ASSEMBLY CONSISTING OF A CROSS-COUNTRY OR HIKING SKI BOOT AND A DEVICE FOR RETAINING THE FRONT OF THIS BOOT ON A SKI |
IT1204195B (en) * | 1986-04-30 | 1989-03-01 | Nordica Spa | CROSS-COUNTRY FOOTWEAR-SKI CONNECTION DEVICE |
FR2739788B1 (en) * | 1995-10-16 | 1997-12-12 | Salomon Sa | ASSEMBLY FOR ATTACHING A SHOE TO A SLIDING MEMBER |
FR2719230B1 (en) * | 1994-04-29 | 1996-06-28 | Salomon Sa | Device for attaching a boot to a cross-country ski. |
EP0806977B1 (en) * | 1995-02-02 | 1999-07-07 | Rottefella A/S | Combination of a ski binding and a shoe adapted for use therewith |
FR2733159B1 (en) * | 1995-04-21 | 1997-07-04 | Vigny Serge Etienne | SAFETY BINDING FOR TELEMARK SKIING, NORTHERN HIKING AND SKI JUMP |
EP0830185B1 (en) * | 1995-06-06 | 2001-07-04 | Rottefella A/S | Arrangement for a cross-country ski binding, in particular a skating binding |
FR2738158B1 (en) | 1995-09-06 | 1997-10-17 | Salomon Sa | FIXING DEVICE |
-
1998
- 1998-03-19 FR FR9803646A patent/FR2776200B1/en not_active Expired - Fee Related
-
1999
- 1999-03-05 DE DE69925214T patent/DE69925214T2/en not_active Expired - Lifetime
- 1999-03-05 AT AT99939832T patent/ATE295209T1/en not_active IP Right Cessation
- 1999-03-05 US US09/423,319 patent/US6435537B2/en not_active Expired - Lifetime
- 1999-03-05 EP EP99939832A patent/EP0984821B1/en not_active Expired - Lifetime
- 1999-03-05 WO PCT/FR1999/000502 patent/WO1999047219A1/en active IP Right Grant
- 1999-11-09 NO NO19995472A patent/NO314787B1/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150209650A1 (en) * | 2014-01-24 | 2015-07-30 | Technische Universitat Munchen | Ski binding with forefoot fixing module |
US9452343B2 (en) * | 2014-01-24 | 2016-09-27 | Technische Universitat Munchen | SKI binding with forefoot fixing module |
Also Published As
Publication number | Publication date |
---|---|
FR2776200A1 (en) | 1999-09-24 |
NO995472D0 (en) | 1999-11-09 |
ATE295209T1 (en) | 2005-05-15 |
FR2776200B1 (en) | 2000-05-05 |
NO995472L (en) | 1999-11-09 |
EP0984821B1 (en) | 2005-05-11 |
DE69925214T2 (en) | 2006-01-19 |
NO314787B1 (en) | 2003-05-26 |
DE69925214D1 (en) | 2005-06-16 |
EP0984821A1 (en) | 2000-03-15 |
WO1999047219A1 (en) | 1999-09-23 |
US6435537B2 (en) | 2002-08-20 |
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Owner name: SALOMON S.A., FRANCE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:VEUX, JEAN-LUC;REEL/FRAME:010573/0098 Effective date: 20000105 |
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