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US Patent: 757,644
Wrench
Patentee:
George S. Andrus (exact or similar names) - Globe, AZ

USPTO Classifications:
81/158

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Alfred C. Sirboth
Fred. G. Pendleton

Patent Dates:
Applied: Dec. 15, 1903
Granted: Apr. 19, 1904

Patent Pictures:
George S. Andrus Pat. April 19, 1904
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Description:
This combination quick and screw-adjust nut wrench has a conical end of the adjusting screw that engages a rack on the main bar. The movable jaw has a spring that allows enough movement for the conical base to be disengaged from the rack teeth.

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