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US Patent: 621,223
Carriage Wrench
Patentee:
Josiah B. Calef - Chicago, IL

USPTO Classifications:
81/176

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

Assignees:
Josiah B. Calef - Chicago, IL
Harry D. Whyte - Chicago, IL

Manufacturer:
Unknown

Witnesses:
Frederick C. Goodwin
S. J. Mann
Irvine Miller

Patent Dates:
Applied: Apr. 14, 1898
Granted: Mar. 14, 1899

Patent Pictures: [ 1 | 2 ]
Josiah B. Calef patent March 14, 1899
USPTO pdf tiff
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Description:
Screw adjustment with rack teeth on the side of the main shank. The wrench has a nut wrench opposite the "V" jaws of the carriage axle nut wrench.

Known examples marked only, "PAT. APPLIED FOR."

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