Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Securing means pivotable about axis transverse to fastener...
Patent
1981-09-08
1985-04-02
Corbin, David H.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Securing means pivotable about axis transverse to fastener...
411355, F16B 1900
Patent
active
045084793
ABSTRACT:
A fastener for sheet metal has a head, a bifurcated stem, a cross-piece running radially through the stem, and a gripping keeper placed between the sides of said stem with a pin running through a cutout in said gripping keeper. At least one side of the cutout in the gripping keeper and the outer side of the gripping keeper next thereto are placed at a small angle to each other so that, after the fastener has been inserted through holes in two members to be fastened together, with the gripping keeper lined up with the stem, the gripping keeper may be turned through 90 degrees about the pin and then pushed in a direction generally normal to said stem, for example, by using a hammer, so that the two members are forced together by a wedging effect.
REFERENCES:
patent: 1402566 (1922-01-01), Buhop
patent: 1682658 (1928-08-01), Bosco
patent: 1815098 (1931-07-01), Earhart
patent: 1963514 (1934-06-01), Wherren
patent: 2299308 (1942-10-01), Creighton
patent: 2360395 (1944-10-01), Byron
patent: 2754158 (1956-07-01), Bazzett
patent: 3722932 (1973-03-01), Dougall
patent: 4271615 (1981-06-01), Jones
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