Adjustable closed-end wrench

Details Adjustable closed-end wrench Adjustable closed-end wrench

2006-03-28

2006-03-28

Nguyen, Kien (Department: 3711)

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

Reexamination Certificate

active

07017456

ABSTRACT:
An adjustable closed-end wrench is adapted for rotating a threaded fastener. The wrench has a handle and a wheel housing located at a free end of the handle. An engagement wheel is arranged within the wheel housing, and has an inner periphery and an outer periphery. The inner periphery defines a fastener-receiving opening adapted for receiving the threaded fastener. The engagement wheel is mounted for selective one-way rotational movement relative to the wheel housing such that the fastener is rotatable in a clockwise or counterclockwise direction.

REFERENCES:
patent: 2708855 (1955-05-01), Fish
patent: 4901608 (1990-02-01), Shieh
patent: 4991470 (1991-02-01), Singleton
patent: 5860337 (1999-01-01), Janssen
patent: 6000302 (1999-12-01), Chiang
patent: 6295898 (2001-10-01), Hsieh
patent: 6311583 (2001-11-01), Izumisawa

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