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US Patent: 242,062
Monkey Wrench
Patentee:
Allen Kinsman Sheppard (exact or similar names) - Camden, NJ

USPTO Classifications:
81/150

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. Sedgwick
C. Neveux
James M. Cassady
T. F. Boardman
Patent Dates:
Applied: Mar. 21, 1881
Granted: May 24, 1881

Patent Pictures:
Allen K. Sheppard patent May 24, 1881
USPTO (New site tip)
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Description:
The position of the sliding movable jaw is held by a pressure bar clamped by a cam-lobed lever.

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