Security door lock with cylinder retention device for easier assembly - has bolt mechanism operated by cylinder lock retained in casing by projecting screw held in position by stud on stop plate

摘要

The lock casing (1) includes a conventional mechanism for operating a side bolt group (5), top and bottom bolt rods (6,7), and spring latch (3). The cylinder lock (8) with rotatable drive tooth is inserted through corresponding openings (10) in the casing and into the opposite seating cylinder (24). A stop screw (12) is located in a hole (11) below the drive tooth in the lock body (9) and enters the casing side plate (2) through the slot extension (13). A stud (14) on the stop plate (15) bears against the screw (12) to retain the cylinder lock in the casing. The fixing plate (20) with door spacer bushes (19) for screws 17) and cover plate (21) are conventional.