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US Patent: 330,594
Wrench
Patentee:
Samuel J. Lea - Chattanooga, TN

USPTO Classifications:
292/341, 81/134, 81/158, 81/165, 81/177.8

Tool Categories:
wrenches : pipe and nut combination wrenches
wrenches : wrench adjustment types : angle adjustable wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Hugh R. Banks
M. L. Chapman
W. X. Stevens
W. W. Hollingsworth

Patent Dates:
Applied: Jun. 22, 1885
Granted: Nov. 17, 1885

Patent Pictures:
Samuel J. Lea patent November 17, 1885
USPTO pdf tiff
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Description:
The angle between the head and handle are adjustable; a conical screw with one side cut away to allow for quick adjustment sets the jaw size and allows for interchangeable jaws to adapt the wrench for pipe or nuts.

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