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US Patent: 522,104
Tire Bolt Wrench
Patentee:
Joseph E. Campbell - Fairfax Station, VA

USPTO Classifications:
81/56

Tool Categories:
wrenches : tire bolt wrenches

Assignees:
Joseph E. Campbell - Fairfax Station, VA
Ecca R. Swetnam - Fairfax Station, VA

Manufacturer:
Not known to have been produced

Witnesses:
Fred G. Dieterich
Edw. W. Byrn
W. E. Graham
E. R. Holbrook

Patent Dates:
Applied: Dec. 14, 1893
Granted: Jun. 26, 1894

Patent Pictures:
Joseph E. Campbell patent June 26, 1894
USPTO pdf tiff
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Description:
Tongs type tool with a gear-driven socket in the face of one tongs jaw, and a thumb screw with gripping tip in the opposite jaw. The crank to drive the gear train detaches. The fulcrum pin for the tongs can be shifted to adjust for different sizes of wheels. The socket size is adjustable by means of bushing inserts.

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