a remotely activated locking device for closure elements that is self - contained within the closure elements , electrically operated and reliable . an electric motor with a worm gear is meshed with a gear mechanism to control the movement of a locking tongue member . a gear member is caused to move between two angular positions . the gear member includes a perpendicularly mounted off - center pin . a pivotally mounted elongated arm is pushed by the offset pin to cause the retraction of a spring loaded tongue member . a receiver is also housed within the closure element to activate the motor . a remote transmitter sends a signal to activate the receiver that in turn creates an output for a predetermined amount of time when the code transmitted matches the code stored .