Power tool

Details Power tool Power tool

2007-08-28

2007-08-28

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S057360

Reexamination Certificate

active

11273429

ABSTRACT:
A power tool has a housing having a drive portion for turning a fastener to tighten or loosen the fastener, the drive portion having two opposite sides spaced from one another in one direction and two connecting elements spaced from one another in another direction which is transverse to the one direction, the connecting elements including a first connecting element to connect with a fastener to be turned and a second connecting element to connect with an adjacent fastener so as to stop the power tool from turning around the fastener to be turned. The connecting elements being movable in the one directions to a first position wherein both elements are on one side of the drive portion and to a second position wherein both elements are on the opposite side of the drive portion and being fixedly secured in the two positions.

REFERENCES:
patent: 1494513 (1924-05-01), Stewart et al.
patent: 4429597 (1984-02-01), Grabovac et al.
patent: 4480510 (1984-11-01), Aparicio et al.
patent: 4513645 (1985-04-01), Grabovac et al.
patent: 4722252 (1988-02-01), Fulcher et al.
patent: 5140874 (1992-08-01), Junkers

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