Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Design of fastener or substructure restricts rotation
Patent
1981-12-17
1984-09-25
Schultz, William H.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Design of fastener or substructure restricts rotation
248499, 248507, F16B 3900
Patent
active
044733321
ABSTRACT:
A bolt for use in anchor devices in which a flat-sided head portion of the bolt is selectively received and held against rotation in a flat-sided opening of the anchor device, with the head portion of the bolt being outwardly flared with respect to the axis of the bolt to cause essentially planar contact between the bolt head portion and the opening, and with the bolt being hollow throughout its longitudinal extent.
REFERENCES:
patent: 1127596 (1915-02-01), Crabiel
patent: 2655332 (1953-10-01), Carpenter
patent: 3856265 (1974-12-01), Foster
Schultz William H.
Sturdy Truck Equipment, Inc.
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