Fastening device

Details Fastening device Fastening device

1977-08-22

1980-04-29

Mitchell, James C.

Brushing, scrubbing, and general cleaning

151 4175, F16B 3700, F16B 3900

Patent

active

042000270

ABSTRACT:
An improved, one-piece, sheet metal fastener for threadably receiving and lockingly engaging an externally threaded fastener at relatively low clamping forces is provided. The improved fastener comprises a generally arcuate leg having members for engaging external threads formed therein. The arcuate leg, in the non-deformed position thereof, defines an arc section having a radius and a chord, the ratio of said radius to said chord being in the range of 1:1.4 to 1:1.8 and preferably in the range of 1:1.5 to 1:1.7.

REFERENCES:
patent: 2062685 (1936-12-01), Tinnerman
patent: 2101287 (1937-12-01), Tinnerman
patent: 2236929 (1941-04-01), Tinnerman
patent: 2239797 (1941-04-01), Tinnerman
patent: 2291290 (1942-07-01), Tinnerman
patent: 2310756 (1943-02-01), Tinnerman

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