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US Patent: 311,892
Wrench
Patentee:
John Gibbons (exact or similar names) - West Troy, NY

USPTO Classifications:
81/128, 81/165

Tool Categories:
wrenches : wrench components : wrench handle components
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
Meneely Hardware Company - West Troy, NY

Manufacturer:
Not known to have been produced

Witnesses:
Stanley M. Holden
Charles S. Brintnall

Patent Dates:
Applied: Mar. 29, 1884
Granted: Feb. 10, 1885

Patent Pictures:
John Gibbons patent February 10, 1885
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Description:
The wrench is comprised of four main pieces. Two pieces are the two jaws and the exterior halves of the handle. The screw knob on the end of the handle moves a central slide with pins that fit in pairs of diagonal slots in the handle halves. Caps on the pins hold the parts together.

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