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US Patent: 583,699
Pipe Wrench
Patentee:
James C. Burgess - Yountsville, IN

USPTO Classifications:
81/132, 81/382, 81/409

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench components : wrench jaw components

Assignees:
Tunis Nading - St. Louis Crossing, IN

Manufacturer:
Not known to have been produced

Witnesses:
F. L. Ourand
Jvs. L.  Coombs
R. S. Fulton
Henry Woost

Patent Dates:
Applied: Apr. 30, 1896
Granted: Jun. 01, 1897

Patent Pictures:
James C. Burgess patent June 1, 1897
USPTO pdf tiff
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Description:
The size adjustment is set by a clamping screw that engages teeth on the movable jaw with rack teeth on the main shank. A swinging jaw face on the movable jaw is shifted into engagement or release by an auxiliary lever handle.

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