Patent ID: 7003901

Claim:
An ice crampon for mountain climbing comprising: a metal reinforcement ( 12 ) comprised of a front frame ( 12 A) linked to a rear frame ( 12 B) by a linking bar ( 18 ) adjustable in length, each front frame and rear frame having anchoring teeth ( 14 ); a fastening device ( 30 ) for fastening said metal reinforcement ( 12 ) to a sole ( 16 ) of a shoe via a first fastening element ( 20 ) and a second fastening element ( 26 ) arranged respectively at the front frame and at the rear frame; a lateral operating lever ( 32 ) extending on a side of the metal reinforcement for actuating said fastening device; and an articulation means for receiving a first end ( 50 ) of the second fastening element ( 26 ), and cooperating with said operating lever in order to build a toggle joint for locking or unlocking the ice crampon on the sole ( 16 ) upon pivoting of said operating lever, said articulation means being formed by an intermediate rod ( 70 ), wherein the second fastening element ( 26 ) and the operating lever ( 32 ) are hinged on the intermediate rod, and wherein the intermediate rod is connected to the rear frame so as to pivot around an axle ( 72 ), integral with the rear frame ( 12 B), wherein the connection between the intermediate rod and the rear frame is spaced from the hinge between the intermediate rod and the fastening element and the hinge between the intermediate rod and the operating lever.