Lever assembly for a door lock

Details Lever assembly for a door lock Lever assembly for a door lock

1992-12-23

1993-11-30

Moore, Richard E.

Closure fasteners

Operators with knobs or handles

292347, 292357, E05B 300

Patent

active

052659240

ABSTRACT:
The lever assembly for a door lock comprises a door lock cylinder having a shank extended from each side of the door lock cylinder and two structure provided between the inside and outside lever and a door lock cylinder, respectively for resiliently returning and maintaining the levers in their horizontal positions. The returning and maintaining structure includes a spacer, a nut for fastening the spacer against the door lock cylinder, a mounting member for mounting a rotatable member, and a spring member cooperating with the rotatable structure and a retainer for holding the spring member, and a lever having a shaft fitted to the shank. The parts of the lever assembly are in turn fitted onto the shank in a cooperating relationship, thereby to resiliently return and maintain the lever in its original, horizontal position without tilting by using of the lever.

REFERENCES:
patent: 4569547 (1986-02-01), Fayerman et al.
patent: 4998760 (1991-03-01), Nixon
patent: 5067758 (1991-11-01), Fann et al.

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