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US Patent: 145,710
Improvement in wrenches
Brace-wrench
Patentee:
Sylvester J. Wright (exact or similar names) - Ellsworth, NY

USPTO Classifications:
81/112

Tool Categories:
combination tools
wrenches : brace wrenches
woodworking tools : braces : brace chucks
specialty tools : combination tools

Assignees:
None

Manufacturer:
Sylvester J. Wright - Ellsworth, NY

Witnesses:
Caroline Packard
Joseph Dimick

Patent Dates:
Applied: Oct. 15, 1873
Granted: Dec. 16, 1873

Patent Pictures: [ 1 | 2 ]
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Description:
"The nature of this invention consists in the construction and arrangement of a wrench, designed especially for use on carriages..." The invention consists of a modified chuck that can open wide enough to hold a nut, and can hold the nut securely enough to turn it.

Corresponding Canadian patent no. CA-4,087 issued November 25, 1874 for a "Combined Carriage Wrench and Bit-Brace" includes an additional drawing clearly showing the sweep of the brace. It also gives a different address for Mr. Wright.

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