Bolt-tightening tool

Details Bolt-tightening tool Bolt-tightening tool

2007-01-25

2009-12-08

Thomas, David B (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S467000

Reexamination Certificate

active

07628097

ABSTRACT:
A bolt-tightening tool for tightening two bolts at the same time. The bolt-tightening tool includes a first rotating shaft coupled with a motor shaft and a second rotating shaft coupled with a motor case. A first bolt is tightened with the first rotating shaft, while a second bolt is tightened with the second rotating shaft, whereby the first and the second bolts are tightened with a same amount of torque.

REFERENCES:
patent: 2069882 (1937-02-01), Hall
patent: 2964152 (1960-12-01), Banner
patent: 3757613 (1973-09-01), Arndt et al.
patent: 3805645 (1974-04-01), Jenny
patent: 6105475 (2000-08-01), Ohmi et al.
patent: 6196089 (2001-03-01), Choi
patent: 6834567 (2004-12-01), Rosetto
patent: 2006/0169107 (2006-08-01), Taniguchi et al.
patent: 61-169534 (1986-10-01), None

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