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US Patent: 230,595
Wrench
Patentee:
George H. Warren (exact or similar names) - Tama City, IA

USPTO Classifications:
81/142, 81/356, 81/361, 81/408, 81/DIG.5

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. J. McCarthy
Franck L. Ourand
A. W. Beed
G. G. Clemmer

Patent Dates:
Applied: Mar. 25, 1880
Granted: Jul. 27, 1880

Patent Pictures:
George H. Warren patent July 27, 1880
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Description:
The main shank has rack teeth. The movable jaw has a toothed plate and a swinging lever. Swinging the lever out disengages the toothed plate allowing adjustment of the movable jaw. The entire movable jaw structure is prevented from falling off the shank by the side pieces for the handle. The specifications elaborate on the details of these main features.

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