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US Patent: 283,696
Wrench
Patentee:
John J. Brandt - De Witt Centre, NY

USPTO Classifications:
81/57.3

Tool Categories:
wrenches : tire bolt wrenches

Assignees:
None

Manufacturer:
Unknown

Witnesses:
F. H. Gibbs
Wm. C. Raymond

Patent Dates:
Applied: Jul. 05, 1883
Granted: Aug. 21, 1883

Patent Pictures: [ 1 | 2 ]
John J. Brandt patent August 21, 1883
USPTO pdf tiff
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Description:
A tire bolt wrench with a substantial frame to hold the socket, gearing and crank handle. The gear ratio increases the force applied to the socket.

A known example is marked only with the patent date.

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