US Patent: 255,637 - Carriage Wrench


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US Patent: 255,637

Carriage Wrench

Patentees:

Prescott B. Kinsman - Great Falls, NH

Josiah Merrill - Great Falls, NH

USPTO Classifications:

81/170, 81/2

Tool Categories:

wrenches : axle nut wrenches : axle nut wrench combination tools

Assignees:

None

Manufacturer:

Eureka Wrench Co. - Great Falls, NH

Witnesses:

Patent Dates:
Applied:	Jan. 19, 1882
Granted:	Mar. 28, 1882

Patent Pictures:

P. B. Kinsman and J. Merrill patent March 28, 1882

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Description:

The frame has the fixed jaw, a slide way for the movable jaw, and a round socket for the oiler. A bolt in the end of the frame adjusts the movable jaw. Known extant examples are missing the oil can.