US Patent: 14,571


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US Patent: 14,571

Wrench

Patentee:

Philip McManus (exact or similar names) - Brunswick, NY

USPTO Classifications:

81/143

Tool Categories:

wrenches : nut wrenches

wrenches : wrench adjustment types : quick adjust wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Charles W. Root

Julius Huth

Patent Dates:
Granted:	Apr. 01, 1856

Patent Pictures:

Philip McManus Pat. Apr. 1, 1856

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Description:

The patent is for a wrench adjustment mechanism using two racks and an eccentric lever or cam. The patent includes a finger piece on the movable jaw. The drawings show alternate realizations of the patented features.