Door lock assembly

Details Door lock assembly Door lock assembly

1994-02-15

1996-08-13

Meyers, Steven N.

Locks

Special application

For closures

70224, 70277, E05B 5900

Patent

active

055445071

ABSTRACT:
A door lock includes an inner cap and an outer cap, a slide is slidably disposed in the inner cap and includes a lower shoulder and an upper shoulder, an inner knob has a tube extended through the inner cap, a ring is fixed on the tube and has a projection for engaging with the lower shoulder so as to move the slide downward, another inner knob has an axle engaged with the inner cap, a disc is fixed on the axle and has a protrusion for engaging with the upper shoulder, the axle is rotated by the protrusion and the upper shoulder when the slide is moved downward by the ring.

REFERENCES:
patent: 3990277 (1976-11-01), Mullich
patent: 3999789 (1976-12-01), Maurits et al.
patent: 4011741 (1977-03-01), Nolin
patent: 4183563 (1980-01-01), Stevens
patent: 4276760 (1981-07-01), Nolin
patent: 4838053 (1989-06-01), Shen
patent: 5010749 (1991-04-01), Lin
patent: 5010752 (1991-04-01), Lin
patent: 5027629 (1991-07-01), Liu
patent: 5040391 (1991-08-01), Lin
patent: 5150592 (1992-09-01), Lin
patent: 5186030 (1993-02-01), Lin
patent: 5325687 (1994-07-01), Lin

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