Lever adapter for door knob

Details Lever adapter for door knob Lever adapter for door knob

1980-12-22

1983-08-09

Moore, Richard E.

Closure fasteners

Knobs

2923363, 292DIG2, E05C 1918

Patent

active

043974899

ABSTRACT:
An adapter for providing a lever attachment to a round door knob has a hollow threaded cylinder fitted with a lever which cylinder slides over the knob and is frictionally secured to the knob by compressing the knob between one end of the cylinder and a tightened split ring threaded into the other end of the cylinder. Elastomeric material placed on either or both sides of the knob increase the friction and prevent slipping of the adapter on the knob after tightening.

REFERENCES:
patent: 286614 (1883-10-01), Hughes
patent: 2756088 (1956-07-01), Sutter
patent: 2808282 (1957-10-01), Peoples
patent: 3827739 (1974-08-01), Overholser
patent: 4007956 (1977-02-01), Harris et al.
patent: 4223931 (1980-09-01), Neary
patent: 4285536 (1981-08-01), McCoy et al.

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