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US Patent: 355,641
Wrench
Patentees:
Charles D. Cutts - Fort Fairfield, ME
E. Evans Scates - Fort Fairfield, ME

USPTO Classifications:
81/140, 81/168, 81/DIG.4

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. Brown
C. A. Loomis
C. A. Allen
W. P. Pratt

Patent Dates:
Applied: Apr. 29, 1886
Granted: Jan. 04, 1887

Patent Pictures:
Charles D. Cutts and E. Evans Scates patent January 4, 1887
USPTO pdf tiff
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Description:
The wrench has a two-part shank. The movable jaw connects to a sliding portion of the shank by a cam that engages rack teeth on the sliding shank. The sliding portion of the shank is adjusted by a threaded collar that engages internal threads in the handle.

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