Bolt head and socket for the same

Details Bolt head and socket for the same Bolt head and socket for the same

1991-08-23

1992-12-29

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Externally threaded fastener element, e.g., bolt, screw, etc.

Head driving structure

411919, 811211, F16B 2300, F16B 3506

Patent

active

051747049

ABSTRACT:
A hexagon head bolt having a head with an incline formed on each of the outer faces thereof so as to be inwardly inclined toward a respective corner of each face. Thus the head of the bolt can easily be engaged with the socket of an impact wrench or the like, without damage of the corners of the bolt. In another embodiment, a hexagon socket is provided having an incline formed on each of the outer faces thereof so as to be outwardly inclined toward a respective corner of each face.

REFERENCES:
patent: 3903764 (1975-09-01), Anderson
patent: 3908488 (1975-09-01), Anderson
patent: 4512220 (1985-04-01), Barnhill, III et al.
patent: 4646594 (1987-03-01), Tien
patent: 4765211 (1988-08-01), Colvin
patent: 4882957 (1989-11-01), Wright et al.
patent: 4930378 (1990-06-01), Colvin
patent: 5012706 (1991-05-01), Wright et al.
patent: 5020954 (1991-06-01), Dreger

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