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US Patent: 1,086,078
Plier Wrench
Patentee:
Herbert R. Palmer - Cleveland, OH

USPTO Classifications:
81/330, 81/331, 81/391, 81/393

Tool Categories:
pliers

Assignees:
Herbert R. Palmer - Cleveland, OH
Meyer S. Hyman - Cleveland, OH

Manufacturer:
Not known to have been produced

Witnesses:
Alice B. Moore
Hugh B. McGill
Harold E. Smith
J. B. Hull

Patent Dates:
Applied: May 10, 1911
Granted: Feb. 03, 1914

Patent Pictures:
Herbert R. Palmer Pat. February 13, 1914
USPTO pdf tiff
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Description:
A parallelogram linkage and a rack and lever adjustment in the handle that operates the jaws gives this pliers parallel jaw motion, and a wide range of capacity, while keeping the two handles in manageable range where hand strength is greatest.

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