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US Patent: 11,208
Nut Wrench
Improvement in Screw-Wrenches
Patentee:
Aury Gates Coes - Worcester, MA

USPTO Classifications:
81/163

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George E. Wood
Henry Chapin

Patent Dates:
Applied: Feb. 23, 1854
Granted: Jul. 04, 1854

Patent Pictures:
Aury Gates Coes patent July 4, 1854
USPTO pdf tiff
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Description:
The adjustable jaw travels with the united velocities of two sets of male threads on the adjusting "burr." One set engages threads in the adjustable jaw. The other set engages a threaded sleeve on the handle. This patent does not appear to have been used.

See also Coes' "Double Screw Nut Wrench" patent 9,945.

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