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US Patent: 1,709,589
Wrench
Patentee:
Joe S. McKibbon - Culleoka, TN

USPTO Classifications:
81/118

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Mar. 29, 1928
Granted: Apr. 16, 1929

Patent Pictures:
Joe S. McKibbon patent April 16. 1929
USPTO pdf tiff
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Description:
The movable jaw can rock a bit on its pivot. The opening is adjusted by a left- and right-hand screw, which also can rock. This adjusting screw is the focus of this patent. The specifications call this patent an improvement on McKibbon's July 18, 1922 patent (no. 1,423,499). This is the first of three patents cited on the "KIBBON KATCH-KWIK" pipe wrench -- the others are 1,730,671 and 1,872,780.

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