Hand tool

Tools – Wrench – screwdriver – or driver therefor – Machine

Reexamination Certificate

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Details

C081S057320

Reexamination Certificate

active

07926388

ABSTRACT:
A hand tool comprises a support, a handle, at least two spindles, a driver, at least two followers and at least two spanners. The handle is rotatably mounted on a middle portion of the support. The at least two spindles are respectively fixed to two opposite ends of the support by ends thereof. The driver is mounted on an end of the handle. The at least two followers are respectively rotatably attached on another end of each spindle and drivably connected with driver. The at least two spanners are attached on a surface of each follower which is away from the corresponding spindle.

REFERENCES:
patent: 710676 (1902-10-01), Finn
patent: 1141864 (1915-06-01), Boucher
patent: 5074170 (1991-12-01), Shirley
patent: 5277085 (1994-01-01), Tanimura et al.
patent: 6668685 (2003-12-01), Boston
patent: 2006/0169107 (2006-08-01), Taniguchi et al.
patent: 58196943 (1983-11-01), None

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