Patent ID: 7156428

Claim:
A motorized door latch assembly for locking an oven door in a closed position closing an oven cavity, said oven door being mounted on a range body and being movable between an open and said closed position, said door latch assembly comprising: a mounting plate; a motor secured to said mounting plate; a cam driven by said motor, said cam having features varying over the extent of the cam; a latch member having a hook at a first end thereof, said hook being adapted to engage said oven door, said latch member being contacted by said cam and movable between a first position in which said oven door may be opened, a second position in which said oven door may not be opened, and a third position in which said hook is moved relative to said second position to pull in said oven door toward said oven cavity; and a switch mounted to said mounting plate, said switch being movable between a first state and a second state, said switch being in said first state when said cam actuates said switch and said switch being in said second state when said cam does not actuate said switch, said switch being coupled to a controller to inform a controller of the position of the cam.