DE102004018296A1 - Binding for cross country skis has projection on sole side between engagement element and front sole end to bear against stop so that boot is engaged with binding but can tilt about cross axis - Google Patents

Abstract

The binding has on the sole side between the engagement element (15) and the front sole end (13) a projection (22) which can be brought to bear against a stop (23) on the binding side so that the boot (11) is held in engagement with the engagement element on the binding side whilst at the same time can execute a tilt movement (24) about an imaginary cross axis behind the stop or projection, especially between the projection and the engagement element. The engagement element on the binding side and the attached boot can swivel up against the action of a coil compression spring (19). Independent claim describes boot fitted with this binding.

Description

The Invention relates to a cross-country or telemark binding for shoes, their soles each at a distance from the front sole end, in particular before, behind or in the area of the metatarsophalangeal zone a sole side Have engagement element, which with a complementary binding side Engagement element cooperates such that the shoe heel free can be lifted, and a shoe, in particular for connection to a such bond.

A Such binding and a shoe adapted thereto are known from WO 01/93963 A1, which is based on the applicant known. In the present Case is about the further development of the arrangement described there, in particular, it is a matter of construction to create a simpler, yet functionally reliable arrangement.

These The object is achieved by the characterizing features of claim 1 solved. Accordingly lies the Core of the present invention in the formation of a sole side Projection between the sole side engaging element and the front Sole end, with this projection in contact with a binding-side stop be brought so that the shoe with the binding side Engaging element is held in engagement while a Rocking motion around an imaginary Axis behind the stop or sole side projection allowed.

at the binding-side stop is a simple component as well as the sole-side projection. By the binding side Stop is the sole side engagement member engaged with held the binding-side engagement member. Accordingly the connection-side stop is mounted longitudinally displaceable and by means of an actuating device from a front shoe release or - Initial position in a rear closed position and vice versa movable. The binding-side engaging member is in this embodiment stored immovably. It must, however be designed so that the heel are raised freely can. Preferably, accordingly, the binding-side engagement element is after pivotally mounted above, about a horizontal transverse axis. In a preferred embodiment is the binding-side engaging element and thus a connected thereto Shoe against the action of an elastic element, in particular a helical compression spring swiveled upwards. This helical compression spring acts as a return element for the Shoe or ski such that the ski is in contact with the shoe sole packed becomes. This function is especially in the so-called. Diagonal step significant.

The binding-side engagement element comprises in one embodiment an engagement hook, which is open towards the front and part a rigid swivel bracket is, whose front end pivots on a horizontal transverse axis is articulated. in principle would it be also conceivable that the mentioned swivel bracket formed in the vertical plane bending elastic, in particular leaf spring-like. A rigid swivel bracket but allows more precise movements and is preferred in this respect.

Of the sole-side projection comprises a transverse web, which preferably Part of a U-shaped metal strap is, whose legs are embedded in the sole material. The sole side Engagement element can in a conventional manner, a within a Sohlenausnehmung be arranged transverse axis, within the also the sole-side projection is arranged.

The stop surface the binding-side stop is so designed and dimensioned, that when raising and lowering the shoe heel of the crosspiece of sole-side projection without forcing along this stop surface can be moved up and down without the connection between the sole side and binding side engagement element is canceled. At a preferred embodiment the connection-side stop comprises a transverse groove for receiving the Transverse web of the sole-side projection, wherein the front boundary wall the transverse groove as a stop surface serves.

Around the mentioned Rocking motion of the shoe to ensure an imaginary transverse axis, the shoe is at a substantially flat front sole on one arched upwards Support surface, or at correspondingly arched Front sole rolls on a substantially flat support surface. The vaulting of Support surface or The front sole extends naturally in the sole longitudinal direction, around the mentioned To get rocking effect.

In order to promote the contact between shoe and binding or ski in any relative position of the shoe to the ski, the shoe is in a specific embodiment of the present invention by a the front sole end, in particular below the same or arranged front Flexor on the one hand and by a in the area of the metatarsophalangeal zone, in particular the posterior flexor arranged in front of it, so that the raising of the heel is first effected against the action of the posterior and anterior flexor, in the final phase only against the action of the anterior flexor. The shoe rolls so under compression or decompression of front and rear flexors on the binding housing or on the front sole end associated support surface. Both flexors serve to keep the front sole end always in contact with the ski or binding. The effect of the two flexors is that the ski is held parallel to the sole or its tread when the shoe is raised. Ski and shoe are therefore balanced accordingly.

As already mentioned at the beginning, The present invention also relates to a shoe whose Sole at a distance from the front sole end, in particular before, behind or in the area of the metatarsophalangeal zone, preferably arranged in front of the same binding engagement element, in particular in the form of a transverse axis, and between this and the front sole end having a downwardly projecting projection. Preferably the sole-side engagement element and the sole-side projection within a lower (longitudinal) recess arranged, preferably both down and to the front is open.

at a preferred embodiment the sole-side projection comprises a transverse web, in particular Part of an embedded in the sole material U-bracket made of metal, hard plastic od. Like. Rigid and durable material. As it is this is a known anchoring technique, needs not closer here to be addressed.

below becomes a preferred embodiment a binding formed according to the invention together with custom shoe explained in more detail with reference to the accompanying drawings. It demonstrate:

1 the assignment of a binding according to the invention to a shoe according to the invention when entering the binding schematic side view, partially cut;

2 the arrangement according to 1 when the binding is closed;

3 the bond according to 2 (closed state) with a shoe whose heel is raised;

4 the bond according to the 1 - 3 in plan view;

5 a part of the sole of an inventively designed ski boot in plan view;

6 the sole according to 5 in front view according to arrow VI in 5 ; and

7 the sole according to 5 in longitudinal section longitudinal line VII-VII in 5 ,

In the 1 - 4 is a cross-country or telemark binding 10 for a shoe 11 shown in side and top view, which is mounted on the top surface of a ski, not shown. The sole 12 of the shoe 11 points away from the front sole end 13 , in particular in front of the so-called metatarsophalangeal zone 14 a sole-side engagement element 15 in the form of a horizontal transverse axis arranged within a sole longitudinal recess 15 on, which with a complementary binding-side engaging element 16 cooperates in such a way that the heel is freely liftable, as well as this 3 lets recognize. According to 4 is the sole-side engagement element 15 defined by a top view U-shaped rigid bracket made of light metal, stainless steel or plastic, the forwardly projecting legs at their front free ends about a horizontal transverse axis 18 are pivotally mounted. Accordingly, the binding-side engaging element is 16 around the axis 18 pivotable, against the action of an elastic element, here in the form of two each one leg 17 associated helical compression springs 19 , For this purpose, the two legs 17 the binding-side engagement element 16 each over the pivot axis 18 extensions protruding upwards and forwards 20 on, between those on the one hand and the binding housing on the other hand, the helical compression springs 19 are clamped. The extensions 20 are each formed in the illustrated embodiment L-shaped with the one leg on the pivot axis 18 projecting upwards and with the other leg projecting forward into the respective helical compression spring.

The helical compression springs 19 serve to return the binding-side engaging element 16 in a position approximately parallel to the ski deck according to 1 and 2 , They replace the known "flexor", which is effective in conventional cross-country bindings between the front sole end on the one hand and the binding housing on the other hand 11 or its paragraph is thus contrary to the action of the helical compression springs 19 corresponding 3 raised.

At the rear end has the binding-side engagement element 16 a front-facing engagement hook 21 on, with the sole side engaging element 15 , which is in the form of a transverse axis, according to the 1 - 3 can be brought into engagement. This engagement is made when entering the binding by the user when getting in the transverse axis 15 under the engagement hooks 21 pushes to then make the fixation of the shoe, as explained below becomes.

As the 1 - 3 and especially the 5 - 7 can be seen very clearly, is between the sole side engaging element 15 and the front sole end 13 the sole 12 Sohlenseitig a projection 22 formed, in abutment with a binding-side stop 23 can be brought (see 2 in relation to 1 ), such that the shoe with the binding-side engagement element 15 is engaged and at the same time a rocking motion (see double arrow 24 in 3 ) about an imaginary transverse axis behind the stop 23 or sole-side projection 22 allowed. The sole side projection 22 includes a crossbar 25 (please refer 6 ), which is part of a U-shaped metal bracket, whose legs 26 (please refer 6 and 7 ) are embedded in the sole material.

According to the 1 - 3 is the tie-side stop 23 longitudinally displaceable (see double arrow 27 in 1 ) and by means of an actuating device with actuating lever 28 and over-dead-center mechanism 29 from one accordingly 1 Front Schuhfreigabe- or -instiegsstellung in one according to 2 rear closed position and vice versa movable.

The sole-side lead 22 or the crosspiece 25 the same associated stop surface 30 the binding-side stop 23 is designed and dimensioned so that when raising and lowering the shoe heel of the cross bar 25 the sole side projection 22 without constraint along this stop surface 30 can be moved up and down. When lowered sole heel is the crosspiece 25 of the projection 22 at the upper end of the stop surface 30 (please refer 2 ), where there is still a rearwardly extending limiting lug, wherein when lifting the shoe heel this crosspiece along the stop surface 30 moves down to a position accordingly 3 , To the friction between crossbar 25 and stop surface 30 can reduce the stop surface 30 be coated with a low-friction plastic (Teflon ^® ). Alternatively, it is also conceivable that the crosspiece 25 is rotatably mounted about its longitudinal axis or comprises a sleeve rotatably mounted about its longitudinal axis.

In the illustrated embodiment, the binding-side stop 23 a transverse groove 31 for receiving the crosspiece 25 the sole side projection 22 on, wherein the front boundary wall of the transverse groove as a stop surface 30 serves. In this transverse groove 31 moves when lifting the heel of the crosspiece 25 the sole side projection 22 in, like a comparison between the 2 and 3 lets recognize.

The upper support surface 32 the binding or the binding housing is curved upwards in the longitudinal direction. On this arched support surface 32 is the shoe with a substantially flat sole 12 when lifting the shoe heel unrollable. In the final phase when lifting the heel, the support of the shoe via two front sole end associated with the front flexors 33 , These two flexors 33 are each laterally outside the binding-side engaging element 16 positioned like this 4 lets recognize. By these flexors, the final phase of the relative movement between the shoe and ski or binding when lifting the heel is controlled and maintained in particular the contact between shoe and ski, which is in this final phase to a flat contact between the shoe or its sole and the ski , In the initial phase, the contact between shoe and ski is more linear due to the rolling of the sole 12 on the upwardly arched support surface 32 ,

In the area of the metatarsophalangeal zone 14 , but in particular before the same according to 1 - 3 is still a rear centrally located flexor 34 arranged, the shoe relative to the binding or ski in conjunction with the front flexors 33 keeps in balance. The front and back flexors 33 . 34 form together with the return flexors or helical compression springs 19 a balanced or balanced spring system, which supports the movement of the shoe relative to the binding or ski in each phase without the contact between shoe and ski is lost, in the final phase of this relative movement when lifting the heel the necessary restoring forces for the Ski become dominant, on the one hand due to the helical compression springs 19 and on the other by the front flexors 33 , which then come into operative engagement with the front sole end. The bond can be through the flexors 33 . 34 and feathers 19 adapted to different running styles and users. To skate, for example, are preferably very hard flexors 33 . 34 and feathers 19 used.

The 5 and 7 let it be seen, moreover, that the sole-side engagement element 15 and the sole-side projection 22 within a lower sole longitudinal recess 35 are arranged such that they project beyond this neither forward nor down over the running side of the sole out. Corresponding 6 is the sole-side lead 22 less wide than the longitudinal recess 35 , Accordingly, the two legs 17 the binding-side engagement element 16 the sole-side projection 22 each side pass. That is, the thighs 17 the binding-side engagement element 16 do not collide even with lowered shoe heel with the sole side Vor Leap 22 , In this way, an extremely compact arrangement is achieved.

The transverse axis 15 exists as well as the sole-side projection 22 made of metal, plastic or the like rigid and resistant material.

The sole side projection 22 can also be plate-shaped. For reasons of weight saving, however, a U-bracket is appropriate 6 more advantageous.

In the 1 - 4 is the binding housing together with binding plate with the reference numeral 36 indicated. The binding plate may have longitudinal guide ribs at its top in a conventional manner 37 have, which with corresponding Längsführungsnuten 38 at the bottom or running side of the sole 12 correspond.

The distance between the sole-side engagement element 15 and the sole-side projection 22 is about 15-25 mm, in particular about 20 mm. The distance between the front sole end 13 and the sole-side projection 22 is about 10 mm.

All Features disclosed in the application documents are considered to be essential to the invention as far as they are individually or in combination with respect to State of the art are new.

10

binding

11

shoe

12

sole

13

front end of the sole

14

metatarsophalangiale Zone

15

sole sided Engaging element (transverse axis)

16

bond mutual Engaging element (rigid swivel bracket)

17

leg

18

swivel axis

19

Helical compression spring

20

extension

21

engaging hook

22

sole side head Start

23

attack

24

double arrow (Seesaw movement)

25

crosspiece

26

leg

27

double arrow

28

actuating lever

29

Over-center mechanism

30

stop surface

31

transverse groove

32

support surface

33

front Sohlenflexor

34

rear Sohlenflexor

35

Sohlenlängsausnehmung

36

Binding housing and -plate

37

Longitudinal guide ribs

38

Längsführungsnuten

Claims (14)

Cross-country skiing or telemarking ( 10 ) for shoes ( 11 ), whose soles ( 12 ) each at a distance from the front sole end ( 13 ), in particular in front, behind or in the area of the metatarsophalangeal zone ( 14 ) a sole-side engagement element ( 15 ) which is connected to a complementary binding-side engagement element ( 16 ) cooperates such that the shoe heel is freely liftable, characterized in that between the sole-side engagement element ( 15 ) and the front sole end ( 13 ) a projection on the sole side ( 22 ) is formed, which in abutment against a binding-side stop ( 23 ) is such that the shoe ( 11 ) with the binding-side engaging element ( 15 ) and at the same time a rocking motion ( 24 ) about an imaginary transverse axis behind the stop ( 23 ) or sole-side projection ( 22 ), in particular between the sole-side projection ( 22 ) and the sole-side engagement element ( 15 ). Binding according to claim 1, characterized in that the binding-side engaging element ( 16 ) and thus an attached shoe ( 11 ) against the action of an elastic element, in particular a helical compression spring ( 19 ), in particular around a transverse to the shoe or binding longitudinal direction extending horizontal axis ( 18 ) is pivotable upwards. Binding according to claim 1 or 2, characterized in that the sole-side engagement element ( 15 ) one within a sole recess ( 35 ) is arranged transverse axis. Binding according to one of claims 1 to 3, characterized in that the binding-side engagement element ( 16 ) an engagement hook ( 21 ). Binding according to one of claims 1 to 4, characterized in that the sole-side projection ( 22 ) a crossbar ( 25 ), which is in particular part of a U-shaped bracket whose legs ( 26 ) are embedded in the sole material. Binding according to one of claims 1 to 5, characterized in that either the binding-side engaging element ( 16 ) and / or the bin side stop ( 23 ) mounted longitudinally displaceable and by means of an actuating device ( 28 . 29 ) from a shoe release or initial position into a closed position and vice versa is movable or are (double arrow 27 ). Binding according to one of claims 1 to 6, characterized in that the stop surface ( 30 ) of the binding-side stop ( 23 ) is designed and dimensioned such that when raising and lowering the shoe heel of the crosspiece ( 25 ) of the sole-side projection ( 22 ) without constraint along this stop surface ( 30 ) is movable up and down. Binding according to one of claims 1 to 7, characterized in that the binding-side stop ( 23 ) a transverse groove ( 31 ) for receiving the crosspiece ( 25 ) of the sole-side projection ( 22 ), wherein the front boundary wall of the transverse groove ( 31 ) as a stop surface ( 30 ) serves. Binding according to one of claims 1 to 8, characterized in that the shoe ( 11 ) at a substantially flat sole ( 12 ) on an upwardly curved supporting surface ( 32 ), or in correspondingly arched front sole on a substantially flat support surface is unrolled. Binding according to one of claims 1 to 9, characterized in that the shoe by a the front sole end ( 13 ) associated front flexor ( 33 ) on the one hand and by one in the area of the metatarsophalangeal zone ( 14 ), in particular in front of the same arranged rear flexor ( 34 on the other hand in balanced contact with the binding or ski, wherein in the final phase of lifting the shoe heel lifting the same in addition against the action of the front flexor ( 33 ), whereas in the initial phase of lifting the heel, only the rear flexor ( 34 ) and then both flexors ( 33 . 34 ), in particular before the return spring (s) ( 19 ) be effective. Shoe, in particular for connection to a binding according to one of claims 1 to 10, characterized in that the sole ( 12 ) of the same one at a distance from the front sole end ( 13 ), in particular before or in the area of the metatarsophalangeal zone ( 14 ) arranged binding engagement element, in particular in the form of a transverse axis ( 15 ), and between this and the front sole end ( 13 ) a downward projection ( 22 ) having. Shoe according to claim 11, characterized in that the sole-side engagement element ( 15 ) and the sole-side projection ( 22 ) within a lower sole longitudinal recess ( 35 ) are arranged. Shoe according to claim 11 or 12, characterized in that the sole-side projection ( 22 ) a crossbar ( 25 ), which is in particular part of a embedded in the sole material U-bracket made of metal, plastic od. Like. Rigid and durable material. Shoe according to claim 13, characterized in that the crosspiece ( 25 ) is rotatably mounted about its longitudinal axis, or comprises a sleeve rotatably mounted about its longitudinal axis.