Abstract: Lock for overhead doors an similar. The lock comprises a stationary part in the form of a lock housing (10) having a tubular lock sleeve (17) which is parallel with the direction of movement of the door, and a movable part which comprises a lock plunger (13) arranged to enter into the lock sleeve when the door is closed, and in the lock housing a lock latch (10) arranged to be brought into engagement with the plunger and to prevent the extraction of the plunger from the lock sleeve.

Abstract: A locking device for vertically movable sliding gates and the like mounted in a gate frame is disclosed. A lock mechanism arranged within the frame comprises a locking bar for locking engagement with the gate. The locking bar is journaled on a bearing for rotational movement between a locking and an unlocking position. A pawl for selectively blocking the locking bar in the locking position is also provided. A cam plate senses whether the gate is open or closed and is adapted to detain the blocking action of the pawl when the gate is in the open position.