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Patent number:
Patent Date:
US Patent: 879,305
Wrench or Nut Jack
Patentee:
William H. Oliver (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
81/128
Tool Categories:
wrenches
:
axle nut wrenches
Assignees:
None
Manufacturer:
Oliver Mfg. Co.
- Chicago, IL
Witnesses:
Robert H. Weir
J. H. Jochum, Jr.
Frances A. Hopkins
Patent Dates:
Applied:
Sep. 22, 1906
Granted:
Feb. 18, 1908
Patent Pictures:
William H. Oliver Patent February 18, 1908
USPTO
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Description:
Most of the parts are malleable iron castings. The swinging adjustment lever in the movable jaw structure engages a rack for the adjustment.
The lever in this patent replaces the adjusting wheel in Oliver's Sept. 10, 1907 patent (no.
865,519
).
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