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US Patent: 858,357
Wrench
Patentee:
George Alexander McIntire - Port Chester, NY

USPTO Classifications:
100/234, 81/314, 81/363

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches
wrenches : wrench components : wrench adjustment locks

Assignees:
George Alexander McIntire - Port Chester, NY
Charles F. Dalton - Port Chester, NY

Manufacturer:
Perfection Wrench Co. - Port Chester, NY

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 04, 1906
Granted: Jun. 25, 1907

Patent Pictures: [ 1 | 2 | 3 ]
George Alexander McIntire Pat. June 25, 1907
USPTO pdf tiff
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Description:
The sliding jaw is closed by a lever and link. The mechanism has provision for setting an adjustment, or for operating in a self-adjusting mode.

McIntire received a subsequent patent (no 952,079) refining this design on March 15, 1910.

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