Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Member preassembled with substructure at through-passage or...
Patent
1990-12-28
1992-04-21
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Member preassembled with substructure at through-passage or...
411 24, 411 75, 411111, F16B 3900
Patent
active
051062500
ABSTRACT:
A connecting element for a facing panel with a hole having a small depth and an undercut, includes an expanding cone insertable into the hole undercut, and thread shaft extending from the expanding cone. A roof-shaped bent expansible element is displaceable over the expanding cone for securing the connecting element in the facing panel hole. The roof-shaped bent expansible element is formed as at least approximately oval metal ring having opposite bent portions abutting the expanding cone.
REFERENCES:
patent: 1474154 (1923-11-01), Kohler et al.
patent: 2379349 (1945-06-01), Grinde et al.
patent: 2527128 (1950-10-01), Green
patent: 3364808 (1968-01-01), Fischer
patent: 3476164 (1969-11-01), Voullaire
patent: 4138779 (1979-02-01), Weber
Fischer Artur
Haug Willi
Lind Stefan
Artur Fischer GmbH & Co KG fircherwerke
Lindsey Rodney M.
Striker Michael J.
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