US Patent: 460,694


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US Patent: 460,694

Wrench

Patentee:

Theodore F. Vandegrift (exact or similar names) - Noah, IN

USPTO Classifications:

81/126, 81/171

Tool Categories:

wrenches : wrench adjustment types : screw adjust wrenches

wrenches : wrench adjustment types : self-adjust wrenches

Assignees:

Vandegrift Manufacturing Co. - Noah, IN

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	May 04, 1891
Granted:	Oct. 06, 1891

Patent Pictures:

Theodore F. Vandegrift patent October 6, 1891

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Description:

Screw-adjust, with a limited pivot connection of the handle which provides extra "self-adjust." The adjusting nut has a hole for insertion of a lever for extra force, in the manner of a vise.