Free spinning washer-nut assembly

Details Free spinning washer-nut assembly Free spinning washer-nut assembly

1977-04-11

1979-01-02

Britts, Ramon S.

Brushing, scrubbing, and general cleaning

151 7, 151 38, F16B 3700, F16B 3924

Patent

active

041321456

ABSTRACT:
A washer-nut assembly wherein a sheet metal nut is rotatably coupled within an annular plastic washer. The nut has an inner threaded barrel portion for engaging the threads of a cooperating bolt, an outer barrel portion shaped for engagement by a tightening tool and a frusto-conically shaped skirt portion extending outwardly from the outer barrel portion. The washer includes a central through-aperture and an inboard surface near one end of the washer that defines a seat for the skirt portion of the nut. The axial height of the washer is substantially greater than that of the nut so that the nut is recessed within the washer. The nut is coupled to the washer by skiving material from the inboard surface of the washer to form tongues that overhang the skirt portion of the nut. The tongues retain the nut within the washer yet permit free-spinning of the nut and washer relative to one another.

REFERENCES:
patent: 2761349 (1956-09-01), Heller
patent: 2784930 (1957-03-01), Wernecke
patent: 2851079 (1958-09-01), Heller
patent: 2943661 (1960-07-01), Stern
patent: 2945524 (1960-07-01), Becker
patent: 3164055 (1965-01-01), Duffy
patent: 3425473 (1969-02-01), Knowlton
patent: 3622167 (1971-11-01), Velthoven
patent: 3796123 (1974-03-01), Duffy et al.

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