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US Patent: 125,695
Improvement in Wrenches
Patentee:
Rufus S. Sanborn - Rockford, IL

USPTO Classifications:
81/60

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. C. Spafford
Lucius A. Trowbridge
T. C. Brecht
D. P. Cowl

Patent Dates:
Applied: Feb. 21, 1872
Granted: Apr. 16, 1872

Patent Pictures:
Rufus S. Sanborn Pat. April 16, 1872
USPTO pdf tiff
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Description:
A toothed segment serves as the pawl; the spring is a coil spring wrapped around a piece of rubber tubing. The cylindrical head is hollow.

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