Push button for a tubular lock unlockable by an inside handle th

Details Push button for a tubular lock unlockable by an inside handle th Push button for a tubular lock unlockable by an inside handle th

1998-09-04

1999-08-24

Barrett, Suzanne Dino

Locks

Special application

For closures

70224, 2923363, 292347, E05B 5504

Patent

active

059411082

ABSTRACT:
A tubular lock includes an outside handle assembly and an inside handle assembly. A push button has an end that is normally extended beyond an inside handle when the tubular lock is in an unlocked status. When the push button is pushed, the tubular lock can be unlocked by rotating the inside handle to prevent the user from being inadvertently locked out.

REFERENCES:
patent: 5157953 (1992-10-01), Hung
patent: 5177987 (1993-01-01), Shen
patent: 5284372 (1994-02-01), Lin
patent: 5301526 (1994-04-01), Fann et al.
patent: 5598726 (1997-02-01), Cordle
patent: 5761936 (1998-06-01), Katayama
patent: 5768926 (1998-06-01), Shen
patent: 5816086 (1998-10-01), Russell, IV

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