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US Patent: 89,575
Improvement in Wrenches
Patentee:
John Goodin - Centralia, IL

USPTO Classifications:
81/128

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
S. L. Hand
W. R. Hubbard
Cornelius Cox

Patent Dates:
Applied: Feb. 01, 1869
Granted: May 04, 1869

Patent Pictures:
John Goodin Pat. May 4, 1869
USPTO pdf tiff
Google Patents
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Description:
A movable jaw at right angle to the handle is adjusted by a cam wheel and the adjustment held by a spring pawl. Goodin patented a "monkey wrench" with a similar cam wheel adjustment on Sept. 29, 1868 (pat. no. 82513).

The nail claw handle end shown in the patent drawing is mentioned in the specifications.

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