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US Patent: 162,317
Improved Monkey-Wrench
Patentee:
Henry R. Sloat (exact or similar names) - Sloatsburg, NY

USPTO Classifications:
81/356, 81/361, 81/389

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. W. Suffern
I. A. Suffern
A. Ruppert
B. Edw. J. Eils

Patent Dates:
Applied: Feb. 08, 1875
Granted: Apr. 20, 1875

Patent Pictures:
Henry R. Sloat Pat. April 20, 1875
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Description:
A lever with a cam end is positioned on the handle of a screw-adjust nut wrench to provide more closing force against the movable jaw. The specifications claim the arrangment would generate enough force to lock the wrench on to a nut.

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