Method and apparatus for lock mounting

Details Method and apparatus for lock mounting Method and apparatus for lock mounting

1998-04-27

2000-06-27

Barrett, Suzanne Dino

Locks

Operating mechanism

Key

70451, E05B 908

Patent

active

060792418

ABSTRACT:
A lock includes a face plate into which a lock cylinder is mounted. Extending from the rear side of the face plate is a frame for supporting the back of the lock cylinder. A cover plate covers the front of the lock cylinder and includes one or more arms extending through the face plate to the back thereof, where the arms are secured against the plate. By this arrangement, the cover plate is secured to the back of the face plate, preventing removal of the lock cylinder by prying. The frame secures the lock cylinder to the rear, preventing it from being dislodged by hammer blows. Against all such attacks, the full structural integrity of the face plate serves to keep the lock cylinder in place and the lock secure.

REFERENCES:
patent: 4381656 (1983-05-01), Hayakawa
patent: 4489577 (1984-12-01), Crepinsek
patent: 4873850 (1989-10-01), Lyons et al.
patent: 4873852 (1989-10-01), Neyret
patent: 4910982 (1990-03-01), Dana
patent: 5251467 (1993-10-01), Anderson
patent: 5297405 (1994-03-01), Manning et al.
patent: 5410899 (1995-05-01), McConnell
patent: 5435159 (1995-07-01), Ramsauer
patent: 5479800 (1996-01-01), Myers
patent: 5548981 (1996-08-01), Kirk
patent: 5636540 (1997-06-01), Myers

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