Lock, especially three-point driving rod lock, has catch-bolt, nut, main lock, slide-piece, driving rod, extra bolt, swivel lever, tumbler, stopper and bolt-tail.

摘要

The lock's catch bolt (6) is retracted by a press-button (8) or key. The lock comprises a nut (9), a main bolt (7), and vertically movable driving rod slide-piece (11) connected by at least one driving rod (13) to at least one extra bolt (14). The driving rod slide piece is displaced by at least one swivel lever (15); the main bolt is secured in a locked position by a tumbler (22). A functional element enabling the lock to be operated either by a key or press-button consists of a stopper (25) on the bolt-tail (23).