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
1981-06-29
1984-02-21
Shedd, Wayne L.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Member preassembled with substructure at through-passage or...
411105, 411316, 411352, E04B 148, F16B 1304, F16B 3704, F16B 3900
Patent
active
044326807
ABSTRACT:
This invention provides a shear resistant panel fastener that includes a bolt having a head and a shank with a first relatively large diameter portion adjacent the head and a second smaller diameter threaded portion, a sleeve on the second portion of the shank, a collar around the sleeve and movable to a position around the first portion of the shank, the collar including a means for attachment to a workpiece, and a retainer means for prohibiting movement of the collar off of the sleeve in one direction. The smaller outer end of the shank is adapted to enter a clearance opening in a part for engagement with a floating nut at the opposite end of the opening, while the larger portion of the shank is drawn into the opening and the fastener is tightened. The smaller portion of the shank permits the fastener to be mated when the openings are misaligned while the larger portion of the shank provides shear resistance when the fastener is mated. An enlarged end thread portion retains the sleeve on the shank and fits in an internal groove in the sleeve to hold the bolt in its retracted position.
REFERENCES:
patent: 3141487 (1964-07-01), Boyd
patent: 3219088 (1965-11-01), Zahodiakin
patent: 3295578 (1967-01-01), Maloof
patent: 3730243 (1973-05-01), Smith
patent: 3863421 (1975-02-01), Busch et al.
patent: 4016914 (1977-04-01), Zurko
patent: 4285380 (1981-08-01), Gulistan
"Mark IV Fastener Drawings" of Tridair Industries Drawing CAL-STD-0091, sheets 1, 5, 6 and 7.
Deutsch Fastener Corp.
Shedd Wayne L.
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