Integral door knob assembly with spring return

Details Integral door knob assembly with spring return Integral door knob assembly with spring return

1993-05-13

1994-05-31

Moore, Richard E.

Closure fasteners

Knobs

292DIG38, 292356, 292357, E05B 100

Patent

active

053163559

ABSTRACT:
An integral door knob assembly for mounting on a face of a door has a spring return so that the door knob rotates to one position when released. A shank formed integral with or attached to the door knob is formed of plastic material eliminating the requirement of a separate plastic bushing in the rose member, and has flexible fingers to provide a snap lock between a spring assembly member and the end of the shank to hold the knob assembly to the rose member. The spring assembly member is also formed of plastic material and has sufficient flexibility to allow a torsion spring to be inserted and removed.

REFERENCES:
patent: 2698763 (1955-01-01), Young
patent: 3096115 (1963-07-01), Patriguin et al.
patent: 3179459 (1965-04-01), Lint
patent: 3604741 (1971-09-01), Steere, Jr.
patent: 4000539 (1977-01-01), Neya
patent: 5067758 (1991-11-01), Fann et al.
patent: 5149155 (1992-09-01), Caeti et al.
patent: 5190327 (1993-03-01), Lin

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