US Patent: RE4,902 - Improvement in Wrenches


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US Patent: RE4,902

Improvement in Wrenches

Patentee:

George C. Taft (exact or similar names) - Worcester, MA

USPTO Classifications:

81/171

Tool Categories:

wrenches : wrench components : wrench handle components

wrenches : wrench components : wrench jaw components

Assignees:

Loring Coes - Worcester, MA

Manufacturer:

L. Coes & Co. - Worcester, MA

Witnesses:

A. H. Kuth

H. S. Smith

Patent Dates:
Applied:	Oct. 14, 1870
Granted:	May 14, 1872

Reissue Information:
Reissue of 88,230 (Mar. 23, 1869)

Patent Pictures:

George C. Taft Reissue Pat. May 14, 1872

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Description:

The patent includes a "jog-bar" feature, recessed sides of the wrench head to deal with shrinkage cracking, a pin attaching the ferule to the main bar, and the shape of the adjustable jaw in relation to the main bar.