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US Patent: 1,785,925
Wrench
Patentee:
James C. Baker (exact or similar names) - Lincoln, NE

USPTO Classifications:
81/134, 81/97

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

Assignees:
James C. Baker - Lincoln, NE
R. A Davis, Sr. - Lincoln, NE
A. J. Ohler - Lincoln, NE

Manufacturer:
Unknown

Witnesses:
none listed

Patent Dates:
Applied: Apr. 30, 1929
Granted: Dec. 23, 1930

Patent Pictures: [ 1 | 2 ]
James C. Baker patent December 23, 1930
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Description:
Quick adjust with the adjustment held by a "dog" engaging rack teeth on the shank, with a second "dog" serving as a fulcrum. The construction is intended to facilitate one-handed use including adjustment.

Known example marked J.C. BAKER JIFFY WRENCH , with the patent date.

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