Oversized wrenching head tension control bolt

Details Oversized wrenching head tension control bolt Oversized wrenching head tension control bolt

2005-03-29

2005-03-29

Saether, Flemming (Department: 3677)

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

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

C411S402000, C411S005000

Reexamination Certificate

active

06872041

ABSTRACT:
A tension control bolt includes a shank, the shank including a threaded section and a breakaway section, and a bolt head, the bolt head constructed with a wrenching section and a flange section intermediate the wrenching section and the shank, the flange section having a generally circular bearing section, the diameter of the bearing section exceeding the distance between opposed flat wrenching surfaces of the wrenching section.

REFERENCES:
patent: 1241048 (1917-09-01), Steffenberg
patent: 2928302 (1960-03-01), Owen
patent: 3752030 (1973-08-01), Steurer
patent: 4177352 (1979-12-01), Dunbar
patent: 4290337 (1981-09-01), Kuwata et al.
patent: 4917555 (1990-04-01), Taubert
patent: 5125778 (1992-06-01), Sadri
patent: 5609454 (1997-03-01), Lee
patent: 6102642 (2000-08-01), Kawashita et al.
patent: 6264414 (2001-07-01), Hartmann et al.
patent: 6343904 (2002-02-01), Wang
patent: 6416102 (2002-07-01), Howard
patent: 6626627 (2003-09-01), Oesterle et al.

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