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
1979-06-26
1981-01-06
McCall, James T.
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...
411523, 411527, F16B 3900
Patent
active
042430860
ABSTRACT:
A clamp-like, slip-on nut for fitting on the edge of a support having a perforation therethrough, the nut being formed by bending a piece of sheet metal into a planar lower leg having a passageway therethrough and an upper leg having a structure forming a threaded aperture for receiving a screw inserted through the passageway, the perforation and the aperture, and a device for centering the aperture with the perforation including a substantially annular strip enclosing the passageway cut from the central portion of the lower leg, the strip being surrounded by a cutaway portion except for an integral connection between the strip and the leading edge portion of the lower leg, the strip rising slightly in its trailing edge portion toward the upper leg.
REFERENCES:
patent: 2328757 (1943-09-01), Tinnerman
patent: 2339664 (1944-01-01), Tinnerman
patent: 2596056 (1952-05-01), Tinnerman
patent: 2934919 (1960-05-01), Barta et al.
patent: 3308708 (1967-03-01), Holton
patent: 3426818 (1969-02-01), Derby
Kuttler Otto
Muller Klaus
A. Raymond
McCall James T.
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