Patent ID: 7600237

Claim:
A locking device for locking a lid with a main body of a lift-top device, the locking device comprising: a base; a fixed piece disposed on the base, the fixed piece comprising a track; a engaging piece slideably protruding from the track, the engaging piece having a first end and a second end, the first end of the engaging piece disposed corresponding to a recess; and a driver disposed on the base and connected to the engaging piece for driving the engaging piece to slide in the track along a first direction, wherein the driver comprises; a moveable piece having a third end, an extending portion and a fourth end, the extending portion jointing the third and the fourth end and pivotally connected to the base so as to allow the third end and the fourth end of the moveable piece to rotate around the extending portion as a pivot point, the third end of the moveable piece connected to the engaging piece for supporting the engaging piece to be engaged with the recess; wherein when the engaging piece is driven to slide along the track by the driver, the first end of the engaging piece is detached from the recess.