Impact wrench

Details Impact wrench Impact wrench

2006-05-30

2006-05-30

Shakeri, Hadi (Department: 3723)

Tools

Including tool driving by impact delivering component or...

C173S093700, C081S177700

Reexamination Certificate

active

07051628

ABSTRACT:
An impact wrench is disclosed. The wrench has a handle and a housing pivotally secured to one end of the handle. A socket drive cooperates with the housing and the socket drive receives a socket for engagement with a fastener. A follower is associated with the housing and holds the socket drive in either a first or a second position allowing the wrench to rotate the fastener in either direction and the socket drive being biased to maintain the follower in one of its positions. The socket drive has first and second camming surfaces and when the housing is struck by an impact implement, the following moves relative to one of the surfaces and the socket drive is caused to rotate relative to the housing.

REFERENCES:
patent: 1361130 (1920-12-01), York
patent: 1473436 (1923-11-01), Leopold
patent: 2543441 (1951-02-01), Crummey
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patent: 2638807 (1953-05-01), Sharman
patent: 2951405 (1960-09-01), Engquist
patent: 4334445 (1982-06-01), Timewell
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patent: 6176161 (2001-01-01), Huang et al.
patent: 6814159 (2004-11-01), Huang
patent: 2 762 537 (1998-10-01), None
patent: 682567 (1952-11-01), None
patent: 710707 (1954-06-01), None
Snap on Tools product Catalogue, Jan. 1995, p. 95.

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