Conical spring washer

Details Conical spring washer Conical spring washer

1976-10-27

1978-08-01

Parsons, Jr., Marion

Brushing, scrubbing, and general cleaning

F16B 3924

Patent

active

041037251

ABSTRACT:
A conical spring washer is constituted by a conical spring washer body, a plurality of spaced lock pawls extending downward from the lower contacting surface of the body, and each of the lock pawls has a gradually sloped face in the tightening direction of a nut or the head of a bolt and a sharply sloped face in the loosening direction of the nut or bolt head.

REFERENCES:
patent: 1043721 (1912-11-01), Prince
patent: 2037586 (1936-04-01), Olson
patent: 2253241 (1941-08-01), MacDonald
patent: 2624128 (1953-01-01), Phillips
patent: 2943661 (1960-07-01), Stern
patent: 2959204 (1960-11-01), Rigot
patent: 3221792 (1965-12-01), Poupitch
patent: 3352344 (1967-11-01), Lanius
patent: 3628584 (1971-12-01), Gutshall

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