Lever lock assembly with a burglar-proof exterior handle

Details Lever lock assembly with a burglar-proof exterior handle Lever lock assembly with a burglar-proof exterior handle

1996-08-29

1998-09-22

Gall, Lloyd A.

Locks

Special application

For closures

70149, 70223, 70224, E05B 1310

Patent

active

058098151

ABSTRACT:
A lever lock assembly includes an interior handle assembly, an exterior handle assembly, a latch assembly, and a controlling assembly. When in a latched position, rotation of an exterior lever of the exterior handle assembly is a free rotation, thereby avoiding forcible unlatching by burglars.

REFERENCES:
patent: 2642735 (1953-06-01), Quigley
patent: 2998274 (1961-08-01), Russell
patent: 3079189 (1963-02-01), Russell et al.
patent: 3955387 (1976-05-01), Best et al.
patent: 4424691 (1984-01-01), Foshee
patent: 4428212 (1984-01-01), Best et al.
patent: 4465311 (1984-08-01), Austin
patent: 5421178 (1995-06-01), Hamel et al.

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