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US Patent: 307,163
Pipe Tongs or Wrench
Patentees:
Elbridge F. Barnes - New Haven, CT
George A. Barnes - New Haven, CT

USPTO Classifications:
81/97

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Barnes Tool Co. - New Haven, CT

Witnesses:
E. P. Hough
C. I. Jones
H. W. Smith
Fred M. Bartlett

Patent Dates:
Applied: Feb. 04, 1884
Granted: Oct. 28, 1884

Patent Pictures: [ 1 | 2 ]
E. F. and G. A. Barnes patent October 28, 1884
USPTO pdf tiff
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Description:
The distinctive feature of this wrench is the rocking jaw face with the lever on the movable jaw. The adjusting ring turns on teeth segments cut in the corners of the rectangular shank. The Barnes Tool Company marketed this wrench in standard sizes; an 1892 catalog shows 10 inch, 14 inch and 18 inch sizes.

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