US Patent: 608,120 - Nut Wrench


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US Patent: 608,120

Nut Wrench

Patentee:

William Heffner (exact or similar names) - Benton Harbor, MI

USPTO Classifications:

81/164

Tool Categories:

wrenches : wrench adjustment types : screw adjust wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Aug. 12, 1897
Granted:	Jul. 26, 1898

Patent Pictures:

William Heffner patent July 26, 1898

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Description:

A threaded shaft extending the length of the wrench engages a nut which extends into slots in the side of the movable jaw. The shaft is connected to the exterior handle by a nut and pins. Turning the handle turns the threaded shaft.