Patent ID: 7140213

Claim:
A vehicular lock, comprising: a frame; a lock bolt movable from an extended and locked position to a retracted and unlocked position; a follower movable with the lock bolt; a pivot rotatably coupled to the frame; an actuator drivably coupled to the pivot; and a cam coupled to the pivot, driven by rotation of the pivot, and in contact with the follower, the cam rotatable to move the lock bolt from the extended and locked position to the retracted and unlocked position, the cam having an asymmetric profile with respect to the pivot, the asymmetric profile defined at least in part by a first sector corresponding to the locked position of the lock bolt, a second sector corresponding to the unlocked position of the lock bolt, a third sector having a changing radial dimension defining a ramped surface from an end of the first sector to a beginning of the second sector, and a fourth sector extending between an end of the second sector to a beginning of the first sector, wherein the third sector is defined by a greater circumferential portion of the cam than the fourth sector, wherein the cam is driven in a single direction to move the lock bolt between the extended and locked position and the retracted and unlocked position.