Security arrangement for push button lock

Details Security arrangement for push button lock Security arrangement for push button lock

1991-12-31

1993-06-22

Cuomo, Peter M.

Locks

Special application

For control and machine elements

70466, 70451, E05B 1310

Patent

active

052208168

ABSTRACT:
The security arrangement prevents unauthorized removal of the push button lock arrangement from a door on which it is installed. The door has an inner surface and an outer surface and the push button lock arrangement includes a first housing for mounting on the inner surface and a second housing for mounting on the outer surface. A first cover plate is removably mounted on the first housing adjacent the inner surface of the door, and a second cover plate is mounted on the second housing adjacent the outer surface of the door. The security arrangement consists of co-operating elements mounted on the first cover plate and the second cover plate.

REFERENCES:
patent: 1092733 (1914-04-01), McCarthy
patent: 3760619 (1973-09-01), Colombo
patent: 3768284 (1973-10-01), Kent et al.
patent: 4453389 (1984-06-01), Kaufman
patent: 4484463 (1984-11-01), Hennessy
patent: 4522048 (1985-06-01), Davis
patent: 4548062 (1985-10-01), Kaufman
patent: 4688409 (1987-08-01), Oliver et al.
patent: 4712403 (1987-12-01), Markisello
patent: 4813250 (1989-03-01), Yeh
patent: 5083122 (1992-01-01), Clark
patent: 5118152 (1992-06-01), Lin

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