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US Patent: 474,810
Wrench
Patentee:
Addison B. Carll (exact or similar names) - Jersey City, NJ

USPTO Classifications:
81/356, 81/360, 81/391

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

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Chas. A. Ford
J. A. Saul
M. Carll
J. L. Watson
Patent Dates:
Applied: Jun. 19, 1891
Granted: May 17, 1892

Patent Pictures:
Addison B. Carll patent May 17, 1892
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Description:
The sliding jaw is adjusted and held in place by engagement with teeth on the secondary lever handle.

An incomplete known example has the lever handle "astraddle" the main handle as shown in the top drawing.

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