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US Patent: 153,544
Improvement in Carriage-Wrenches
Patentee:
Henry Cutler - Ashland, MA

USPTO Classifications:
81/111, 81/DIG.6

Tool Categories:
wrenches : axle nut wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. Sedgwick
C. Neveux
B. T. Thompson
E. Herbert Cutler

Patent Dates:
Applied: May 09, 1874
Granted: Jul. 28, 1874

Patent Pictures:
Henry Cutler Pat. July 28, 1874
USPTO pdf tiff
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Description:
The center handle turns an eccentric which clamps the jaws on the carriage axle nut.

The patent received a write-up in the Sept. 19, 1874 SCIENTIFIC AMERICAN.

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