Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Member or portion thereof located between substructure and...
Patent
1991-07-16
1992-01-14
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Member or portion thereof located between substructure and...
411 84, 411432, 411533, F16B 3708, F16B 3924
Patent
active
050805460
ABSTRACT:
A two piece fastener made up of a hex-on-hex nut and a diamond shaped steel plate with a countersink portion having a hex shaped hole to receive the reduced across flats portion of the hex-on-hex nut. The bottom of the nut sits above the thin metal bearing surface against which the steel plate is being clamped.
REFERENCES:
patent: 1872616 (1932-08-01), Andren
patent: 2985213 (1961-05-01), Consandine
patent: 4362449 (1982-12-01), Hlinsky
patent: 4431353 (1984-02-01), Capuano
patent: 4784552 (1988-11-01), ReGentisch
Fultz Robb M.
Purvin Glenn S.
Emhart Inc.
Smith Spencer T.
Wilson Neill R.
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