Patent ID: 6116103
Filing Date: 2000-09-12
Classification: F16H,Y10T

Abstract:
A linear actuator comprising a housing, a threaded leadscrew moving axially in the housing and a gear nut being around the leadscrew, the gear nut rotating in response to axial movement of the leadscrew relative to the gear nut, and a locking mechanism for locking the gear nut, the locking mechanism comprising:a. a cam mounted on the housing for pivoting between a closed and open position;b. a lever adjacent to the gear nut and mounted for pivoting about a lever pivot axis, the lever having a lever tooth spaced from the lever pivot axis, the lever tooth being movable between adjacent teeth on the gear nut when the lever pivots;c. a blocker on the cam, the cam having a released and an engaging position, wherein the blocker engages a portion of the lever when the cam is in the engaging position, and the blocker is free from a portion of the lever when the cam is in the released position.