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US Patent: 999,034
Wrench
Patentee:
Dorsey P. Kahle - Venus, PA

USPTO Classifications:
81/156, 81/185.1

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

Assignees:
None

Manufacturer:
D. P. Kahle - Oil City, PA

Witnesses:
Samuel Payne
Karl H. Butler
Eva A. Milne

Patent Dates:
Applied: Sep. 07, 1910
Granted: Jul. 25, 1911

Patent Pictures:
Dorsey P. Kahle patent July 25, 1911
USPTO pdf tiff
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Description:
Combination quick and screw adjust wrench. In part it is a modification and simplification of Kahle's June 4, 1907 patent no. 855,891. The major feature is a simplified form of adjusting sleeve with depressable spring-loaded "washers" forming the "teeth" that hold the adjustment of the movable jaw. This patent includes a supplemental pipe gripping insert, and a coiled wire handle. The patent's claim is the pipe gripping insert.

The D.P. Kahle wrench bearing a June 4, 1907 patent date has a combination quick and screw-adjust sleeve corresponding to the construction shown in this patent.

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