Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Nut – and means to engage substructure on its opposite faces...
Patent
1982-07-29
1985-08-06
Holko, Thomas J.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Nut, and means to engage substructure on its opposite faces...
411181, 411448, 411495, 411459, 411394, 29526R, F16B 1306
Patent
active
045332886
ABSTRACT:
A drive fastener designed to be hammered into penetrable material. One end of the drive fastener is split. The opposite end of the drive fastener contains threads. A pair of nuts are threaded together on the threaded end of the drive fastener to receive the impact of a hammering device for driving the fastener into penetrable material. When being driven, the split end spreads while penetrating to secure the fastener in place. The nuts are then removed and a single nut may be used to secure an object to the set fastener.
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Monfort Michael R.
Rivkin Bernard W.
Gilliam Frank D.
Holko Thomas J.
P.P.M.D.
Wilson Neill
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