Lever handle door lock with adapter

Details Lever handle door lock with adapter Lever handle door lock with adapter

1998-09-28

2000-04-11

Pham, Teri

Closure fasteners

Knob-attaching devices

2923363, 292357, E05B 300

Patent

active

060480076

ABSTRACT:
A lever handle door lock keeps the lever handle horizontal and accommodates pre-manufactured doors with pre-drilled mounting holes at varying rotational orientations by providing a two piece adapter connection between the lever handle and a rose. The rose is mounted to the door via the mounting holes and includes a spring for returning the lever handle to horizontal. A first adapter piece is rotatably driven by the spring to return to a home position relative to the rose. A second adapter piece is connected to the lever handle and is adjustably connectable to the first adapter piece at different desired rotational orientations. Rotating the adjustable connection between the first and second adapter pieces changes the angle between the lever handle and the home position on the rose to bring the lever handle to horizontal regardless of the rotational orientation of the rose.

REFERENCES:
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patent: 3126191 (1964-03-01), Holden
patent: 3277601 (1966-10-01), Ryan
patent: 4619540 (1986-10-01), Day et al.
patent: 4728133 (1988-03-01), Valley
patent: 4869083 (1989-09-01), DeMarseilles et al.
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patent: 4998760 (1991-03-01), Nixon et al.
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patent: 5177987 (1993-01-01), Shen
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patent: 5564296 (1996-10-01), Theriault et al.
patent: 5605064 (1997-02-01), Katayama et al.
patent: 5666833 (1997-09-01), Gao et al.
patent: 5732578 (1998-03-01), Kang
patent: 5761936 (1998-06-01), Katayama

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