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US Patent: 311,423
Strap Buckler and Wrench Combined
Improved Canvas or Strap Buckler With Wrench
Thomas P. Evans - Philadelphia, PA

USPTO Classifications:
100/32, 254/258, 7/138, 7/166, 81/484

Tool Categories:
wrenches : wrench combination tools



W. W. Dougherty
Hugh McGinnis
C. Sedgwick
Johnes O. Deemer

Patent Dates:
Applied: Jun. 10, 1884
Granted: Jan. 27, 1885

Patent Pictures:
Thomas P. Evans patent January 27, 1885
USPTO pdf tiff
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Intended primarily for tightening the straps on the conveyor canvas on grain binders and similar equipment. The double hooks grasp the buckle, the single hook catches a hole in the leather strap, and then levers the strap end tight to facilitate latching or unlatching the buckle. This also tightens the canvas around the drive rollers. The end of the handle is formed as a wrench.

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