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
1993-04-19
1994-07-05
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Member preassembled with substructure at through-passage or...
411432, 411533, 411537, 411970, 295251, F16B 3928, F16B 3934, F16B 4302
Patent
active
053262069
ABSTRACT:
Method and assembly for producing shear-resistant attachment between a prefabricated top plate having a plurality of preformed bolt passage holes and a support member having a corresponding plurality of bolt-receiving holes which may be slightly out of alignment with the bolt passage holes in the top plate. The bolt passage holes are oversize and have conical walls, and the bolts have a rounded undersurface which makes line contact with the conical wall when each bolt is tightened into a nut or floating nut plate aligned and/or attached at the undersurface of the support member.
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patent: 3505636 (1970-04-01), McDowell
patent: 4334599 (1982-06-01), Ritsema et al.
patent: 4830557 (1989-05-01), Harris et al.
patent: 4860513 (1989-08-01), Whitman
Anderson Terry J.
Block Robert B.
Hoch Jr. Karl J.
Northrop Corporation
Wilson Neill R.
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