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US Patent: 1,735,011
Combination Tool
Patentee:
Arthur N. Plante - Hartford, CT

USPTO Classifications:
30/184, 7/139, 81/356, 81/363, 81/388

Tool Categories:
wrenches : wrench combination tools

Assignees:
None

Manufacturer:
Woodworth Specialties Co. - Binghamton, NY

Witnesses:
none listed

Patent Dates:
Applied: Feb. 24, 1927
Granted: Nov. 12, 1929

Patent Pictures: [ 1 | 2 ]
Arthur N. Plante Pat. Nov. 12, 1929
USPTO pdf tiff
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Description:
The tool is a lever-linkage adjustable wrench; the description notes the lever action would also be useful for a wire cutter or pliers. A couple of alternate linkage systems are shown in the drawings. The adjustable fulcrum is not part of the patent; the version shown is an adjusting knurl engaging rack teeth in the handle. The description notes the similarities to Plante's Aug. 20, 1929 patent (no.1,725,301), and another application (Serial No. 301,650) filed Aug. 23, 1928. This patent and Plante's Aug. 20, 1929 patent (no. 1,725,301) were used for the Woodworth Specialties Co. (Binghamton, NY) VISE GRIP WRENCH.

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