Patent ID: 7393000

Claim:
A coupling device between a sports shoe and a longitudinally extending sports device having a surface supporting (a) a toe piece, (b) a heel piece, (c) a brake device for the sports device, the brake device being arranged between the toe piece and the heel piece, (d) a longitudinal guide for the heel piece, the heel piece being laterally and vertically guided in a guide track of the longitudinal guide perpendicularly to the longitudinally extending sports device, (e) the brake device having guiding elements engaging the guide track for guiding the brake device play-free in the guide track in all directions extending perpendicularly to the longitudinally extending sports device, and (f) a longitudinal coupling device arranged between the brake device and the heel piece for connecting the brake device and the heel piece for common movement, the longitudinal coupling device comprising (1) locking elements consisting of rows of interengaging teeth extending parallel in the direction of the guide track, and (2) the teeth having a cross section perpendicularly to the guide track which has the form of a right-angle triangle, one of the triangle legs extending perpendicularly to the longitudinally extending sports device.