Device for fastening a sports boot to a board for gliding

Abstract

A device for fastening a sports boot to a board for gliding, comprising a first element ( 1 ) for connecting to a boot, comprising a first jaw ( 2 ) capable of fastening a first front part ( 31 ) of the boot and a second element ( 11 ) for linking to a boot, comprising a second jaw ( 12 ) capable of fastening to a second part ( 32 ) of the boot arranged to the rear of the first part in order to exert a control function on the board for gliding, the device also comprising a means ( 22, 22′ ) for elastic return of the boot toward the board for gliding, wherein the two linking elements ( 1, 11 ) are distinct, the second linking element ( 11 ) being linked to the fastening device in a zone arranged to the front of the position of the second jaw ( 12 ).

1 . A device for fastening a sports boot to a board for gliding, comprising a first element ( 1 ) for connecting to a boot, comprising a first jaw ( 2 ) capable of fastening a first front part ( 31 ) of the boot and a second element ( 11 ) for linking to a boot, comprising a second jaw ( 12 ) capable of fastening to a second part ( 32 ) of the boot arranged to the rear of the first part in order to exert a control function on the board for gliding, the device also comprising a means ( 22 ,  22 ′) for elastic return of the boot toward the board for gliding, wherein the two linking elements ( 1 ,  11 ) are distinct, one being movably mounted in rotation relative to the other about a pin ( 21 ;  21 ′), the second linking element ( 11 ) being linked to the fastening device in a zone arranged to the front of the position of the second jaw ( 12 ).  
   
   
       2 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the second element ( 11 ) for linking to a boot is mounted movably in rotation on a base ( 20 ) of the device, about a pin ( 21 ) arranged toward the front of the device.  
   
   
       3 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the second jaw ( 12 ) of the device is fastened to the second linking element ( 11 ).  
   
   
       4 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the second jaw ( 12 ) of the device is in the form of a hook oriented toward the front of the device.  
   
   
       5 . The device for fastening a sports boot to a board for gliding as claimed in  claim 4 , wherein the second jaw ( 12 ) has a sliding surface ( 15 ) to promote the progressive positioning of the boot in this jaw in a phase of attaching a boot.  
   
   
       6 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the second linking element ( 11 ) has two arms ( 13 ) provided at their ends with a hook forming the second jaw ( 12 ).  
   
   
       7 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the first element ( 1 ) for linking to a boot is mounted movably in rotation about a pin ( 21 ;  21 ′) arranged toward the front of the device.  
   
   
       8 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the first element ( 1 ) for linking to a boot is mounted movably in rotation about a pin ( 21 ;  21 ′) of the base ( 20 ) of the device.  
   
   
       9 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the first element ( 1 ) for linking to a boot is mounted movably in rotation about the same rotation pin ( 21 ) of the base ( 20 ) as the second linking element ( 11 ).  
   
   
       10 . The device for fastening a sports boot to a board for gliding as claimed in  claim 7 , wherein one element ( 1 ;  11 ) for linking to a boot is mounted movably in rotation about a pin ( 21 ′;  21 ″) of the other linking element ( 11 ;  1 ).  
   
   
       11 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the first jaw ( 2 ) of the device is fastened to the first linking element ( 1 ).  
   
   
       12 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the first jaw ( 2 ) of the device is in the form of a hook oriented toward the rear of the device in the rest position.  
   
   
       13 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the first jaw ( 2 ) has a sliding surface ( 5 ) to promote the progressive positioning of the boot in this jaw during a phase of attaching a boot.  
   
   
       14 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the first linking element comprises a surface ( 3 ) or a lever ( 3 ′) suitable for its rotation toward the front in order to release the boot.  
   
   
       15 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the means ( 22 ) for elastic return of the boot toward the board for gliding is a torsion spring mounted on a rotation pin ( 21 ,  21 ″) of a linking element ( 1 ,  11 ), acting, on the one hand, on the board for gliding ( 10 ) or on a base ( 20 ) of the device, and, on the other hand, on the first linking element ( 1 ).  
   
   
       16 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the torsion spring ( 22 ) acts on the first linking element ( 1 ) to tend to its rotation toward the rear of the device, bringing its surface ( 4 ) to abut on a surface ( 14 ) of the second linking element ( 11 ) held in a longitudinal position in the rest position of the device.  
   
   
       17 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the means ( 22 ) for elastic return of the boot toward the board for gliding fulfills a first function of elastic return and a second function of locking the boot.  
   
   
       18 . The device for fastening a sports boot to a board for gliding as claimed in  claim 1 , wherein the two linking elements ( 1 ,  11 ) are substantially perpendicular in the rest position of the binding.  
   
   
       19 . A ski equipped with a device for fastening a sports boot, according to  claim 1.