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US Patent: 132,058
Improvement in Attachment for Wrenches
Patentee:
David Cumming, Jr. - Brooklyn, NY

USPTO Classifications:
81/180.1

Tool Categories:
wrenches : wrench components : wrench handle components
wrenches : tap wrenches and die stocks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Chas. H. Smith
Harold Ferrell
Geo. T. Pinckney

Patent Dates:
Applied: Jul. 29, 1872
Granted: Oct. 08, 1872

Patent Pictures:
David Cumming Jr. Pat. Oct. 8, 1872
USPTO pdf tiff
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Description:
The patent is a for a supplemental handle which would clamp onto the fixed head of a "monkey wrench" to provide equalized lateral strain when the wrench was used as a tap wrench.

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