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
1990-03-06
1991-06-04
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...
411179, F16B 3900
Patent
active
050209507
ABSTRACT:
A riveting fastener and panel assembly having improved torque resistance. The riveting fastener includes a tubular riveting barrel portion having a free end and a body portion having a diameter greater than the barrel portion. The tubular barrel portion is received through an opening in a panel and preferably deformed radially outwardly, and the body portion is driven into the panel adjacent the panel opening deforming the panel. The improvement comprises a plurality of spaced cavities in the body portion preferably having an arcuate inside surface opening radially outwardly with the opening to the cavities having an area greater than the inside surface area of the cavity. The panel is permanently deformed into the cavities as the body portion is driven into the panel, thereby forming a mechanical interlock between the body portion and the panel preventing relative rotation of the riveting fastener in the panel assembly.
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patent: 4708556 (1987-11-01), Pamer et al.
Gossett Dykema
Lindsey Rodney M.
Multifastener Corporation
Redman Jerry
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