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US Patent: 674,278
Wrench and Clamp
James McNutt - Philadelphia, PA

USPTO Classifications:
269/166, 269/234, 81/128, 81/150

Tool Categories:
work holding : clamps : bar and pipe clamps
wrenches : wrench adjustment types


Not known to have been produced

F. E. Bechtold
Jos. H. Klein
Louis M. G. Whitehead
Chas. DeCon

Patent Dates:
Applied: Oct. 03, 1900
Granted: May 14, 1901

Patent Pictures:
James McNutt patent May 14, 1901
USPTO pdf tiff
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A bar-clamp or wrench tool with a cam lever or thumb screw that both tightens the clamp, and clamps the sliding jaw frame to the bar. The adjustable portion consists of a slide with a rocking lever which in turn holds the cam lever or thumb screw.

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