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US Patent: 143,757
Wrenches For Bung-Bushings
Patentee:
George W. Harris (exact or similar names) - New York, NY

USPTO Classifications:
81/443

Tool Categories:
wrenches

Assignees:
George W. Gillette - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
A. Ruppert
B. Edw. J. Eils
T. B. Goodale
Thos. L. Carpenter

Patent Dates:
Applied: Apr. 19, 1873
Granted: Oct. 21, 1873

Patent Pictures:
George W. Harris. Pat. Oct. 21, 1873
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Description:
The"wedge" action of the swinging rod would act as a one-way clutch. The threads are spiral. The wrench would insert bung bushings, but not remove them.

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