Patent ID: 7228760

Claim:
Automatic cycle pedal comprising: a pedal body ( 1 ) having engagement members ( 2 , 3 ) with a hooking element fixed below a cyclist's shoe and a cylindrical cartridge ( 5 ) containing a pedal axle ( 6 ) adapted to be fixed to a drive crank, said cartridge ( 5 ) being received in a cylindrical transverse recess ( 7 ) of the pedal, said recess being open at both ends, the cylindrical recess having threading ( 9 ) coacting with screw threading on the cartridge ( 5 ) to permit the continuous adjustment of the transverse position of the cartridge in the recess between two operating positions, a blocking element for blocking rotation ( 10 ) of the cartridge ( 5 ), the blocking element being axially displaceable in said recess ( 7 ) and adapted to be connected to said cartridge ( 5 ) by a first positive locking means ( 11 ) on an end of said cartridge and a second positive locking means ( 13 ) on said blocking element ( 10 ), and a lock nut threaded onto further threading on said cartridge and accessible through the other of said ends of said recess, said lock nut having a loose position that permits transverse movement of said cartridge between said two operating positions and a tight position that engages said first and second positive locking means with each other to prevent transverse movement of said cartridge in said recess.