Abstract: A lock of the type having a locking function released by a coin drop is disclosed. The lock includes a lock box housing which carries a locking cylinder and a shiftable operating element. A separate support casing is mounted on a door and carries a reversible latch element having two heads and an open box-like frame. The frame is provided with two openings for receiving the operating element. A separate spring-loaded slide is provided for urging the latching element in a forward locking direction.

Abstract: A cylinder lock, particularly a rolling gates cylinder lock, which may be mounted, at will, as a right or a left lock. The lock is provided with a sliding bolt which is guided for its movement into locking and unlocking position by a guide block housed inside of the lock casing. To the central portion of the sliding bolt a rack bar is secured, in mesh with the pinion operated by the cylinder of the lock. The said rack bar acts as an abutment member in cooperation with the lock casing in order to limit the sliding movement in both directions of the sliding bolt. Means are provided for fastening the said lock to a rolling gate by using nuts and bolts.