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US Patent: 102,770
Wrench
Patentee:
Benjamin F. Buxton - West Randolph, VT

USPTO Classifications:
81/141

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. S. Crane
John R. Cleaveland
Harry Coleman
N. B. Smith

Patent Dates:
Granted: May 10, 1870

Patent Pictures:
B.F. Buxton Pat. May 10, 1870
USPTO pdf tiff
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Description:
A spring-loaded cam lever on the back side of the adjustable jaw engages renewable teeth on the inner face of the adjustable jaw with rack teeth on the shank. The patent is for the shape and position of the spring and lever.

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