Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Bulged by axially contracting ends
Patent
1993-10-15
1995-01-03
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Bulged by axially contracting ends
411 55, 411183, F16B 1304, F16B 3704
Patent
active
053780973
ABSTRACT:
A sheet-metal nut for blind fastening a screw in a hole of a carrier plate, the nut having a top plate bearing on an upper surface of the carrier plate having a hole therein and an aperture for the passage of the screw, a base plate having a threaded portion adapted to be inserted into the hole in the carrier plate located at a distance from the top plate and a plurality of connecting webs connecting the base plate to the top plate that fold outwardly in use. The nut is formed from a single piece of sheet metal, the connecting webs being integrally connected at one end to opposite sides of the base plate and at the other end to two top plate halves that lie adjacent each other in the same plane and form the top plate.
REFERENCES:
patent: 2017421 (1935-10-01), Post
patent: 2184783 (1939-12-01), Tinnerman
patent: 2396501 (1946-03-01), Gibson
patent: 4657456 (1987-04-01), Anquetin
A. Raymond & Cie
Wilson Neill R.
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