US Patent 7334823 Motorized oven lock having a reciprocating latch

A simplified oven door lock reduces the number of components subjected to fatigue from repeated tensile movement. The oven door lock includes a mounting plate, an actuator having an output shaft and the actuator being coupled to the mounting plate, a cam having a mounting hub at its center and an offset hub displaced from the mounting hub, the mounting hub of the cam being coupled to the output shaft actuator so the actuator rotates the cam with respect to the mounting plate, a lock pin extending upwardly at a first position from the mounting plate, an unlock pin extending upwardly at a second position from the mounting plate, a latch mounted to the offset hub of the cam so the latch extends between the lock pin and the unlock pin so that opposing sides of the latch plate slide against the lock pin and the unlock pin as the latch moves in response to the actuator rotating the cam.