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
1979-01-25
1981-10-20
Holko, Thomas J.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Member preassembled with substructure at through-passage or...
411177, 411429, 411542, F16B 3714, F16B 3900
Patent
active
042957664
ABSTRACT:
A self-aligning dome nut having a base member for connection into a hole or aperture of a mounting plate by a pressing operation. The base member has a neck portion on one side for connection into the hole and a cavity on its other side into which a nut member is loosely positioned. A protective dome encloses the cavity and covers the nut member. The dome is connected to the base member to leave an exposed portion on its other side for direct application of a clamping force during attachment of the dome nut to the support member. An insulting washer is disposed around the neck portion of the base member between it and the mounting plate, the insulating washer is sized to electrically isolate the nut from the support member and preclude electrical arcing therebetween.
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