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US Patent: 63,459
Improvement in Wrenches
Patentee:
Samuel S. Barnaby - Chicago, IL

USPTO Classifications:
81/128, 81/137

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Albert W. Brown
M. M. Livingston

Patent Dates:
Applied: Jun. 16, 1865
Granted: Apr. 02, 1867

Patent Pictures:
S. S. Barnaby Pat. April 2, 1867
USPTO pdf tiff
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Description:
The movable jaw is held in adjustment by a sliding spring plate engaging teeth cut in the side of the main bar, with a secondary fine adjustment accomplished by a cam lever

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