Patent ID: 7658398

Claim:
A connection system for connecting a board ( 1 ) to a boot, the connection system comprising: a plate ( 5 ) which is connectable to a board, a button ( 3 ) having a bottom face and a top face, the top face being connectable to a boot or binding ( 2 ), and a collar ( 4 ), wherein a portion of the button ( 3 ) is sandwiched between the collar ( 4 ) and the plate ( 5 ) with the bottom face of the button ( 3 ) adjoining the plate ( 5 ), and the top face of the button ( 3 ) exposed through the collar ( 4 ), such that the button ( 3 ) can rotate about an axis (A) passing through the connection system, wherein the bottom face of the button ( 3 ) has a curved surface, which has rotational symmetry with and which adjoins a complimentary curved surface on the plate ( 5 ), such that button ( 3 ) can roll to move its axis of rotation (A) away from an axis (P) perpendicular to the plate ( 5 ), and the connection system comprises braking means ( 8 ) for restricting rolling and/or rotational movement of the button ( 3 ) when the button is moved away from a neutral position.