Electric wrench with a control switch

Details Electric wrench with a control switch Electric wrench with a control switch

2006-06-29

2009-02-03

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

C081S165000

Reexamination Certificate

active

07484441

ABSTRACT:
An electric wrench with a control switch comprises a wrench body having a web area, on top of which includes a fixed jaw at one end and a movable jaw on the other end that can slide toward the fixed jaw along a slide slot. The web area further includes a first receptacle for housing a worm gear that is engaged with the movable jaw. The handle contains a second receptacle for housing a driving unit for driving the worm gear. The four lateral sides form a pair of grip sides for a holding hand and a pair of control panels on at least one of which control panels a button or rocker switch is provided, preventing accidental touch by the holding hand.

REFERENCES:
patent: 4333366 (1982-06-01), Hurtig
patent: 4512221 (1985-04-01), Picone
patent: 5682802 (1997-11-01), Mazzone
patent: 6230591 (2001-05-01), Ling et al.
patent: 6463811 (2002-10-01), Putney
patent: 6477921 (2002-11-01), Picone
patent: 7263916 (2007-09-01), Wu

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