ANTITHEFT DEVICE LOCK Russian patent published in 2009 - IPC B60R25/02 

FIELD: means of protection.

SUBSTANCE: proposed antitheft device lock comprises split casing made up of two parts screwed together, screw heads being recessed in one of the casing parts, removable locking rod protecting screw heads with handle accommodating cylindrical lock with key, locking bar retainer to fix rod in the casing, retainer pusher and pusher latch. Locking rod handle represents a separate part revolving about the rod. Locking rod retainer represents balls fitted in rod crosswise bore to interact with mating recesses made in the casing. Retainer pusher moves along lengthwise bore in the rod and is spring-loaded by compression spring towards latch. It has also circular groove on its end facing aforesaid balls and having tapered transition to the main cross section, while the opposite end has lengthwise slot. Pusher latch represents a flexible cam coupling. The latter has one half-coupling fitted in pusher rod bore and pin-jointed therein. Second half-coupling jointed to cylindrical lock is arranged to revolve on axle fixed in first half-coupling bore and spring-loaded therein by helical spring. Locking rod side surface has a flat facing screw heads and terminates in handle ledge for it to rest on in fitting locking rod in the casing.

EFFECT: higher degree of protection, ease of manufacture.

4 dwg