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US Patent: 87,547
Wrench
Improvement in the Construction of Monkey-Wrenches
Patentee:
Loring Coes (exact or similar names) - Worcester, MA

USPTO Classifications:
81/171

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
L. & A.G. Coes & Co. - Worcester, MA

Witnesses:
J. Henry Hill
John W. Washburn

Patent Dates:
Applied: Feb. 04, 1869
Granted: Mar. 09, 1869

Patent Pictures:
Loring Coes Pat. Mar. 9, 1869
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Description:
"The object of my invention is to enable the lower bearing of the screw of the movable jaw to be secured to the shank of the fixed jaw at a small cost and efficiently." -- from the specifications. The ferule has an internal projection which engages a notch in the shank, inside the wood handle.

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