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US Patent: 137,129
Combined Wrenches and Grappling Tools
Patentee:
Simon B. Dexter (exact or similar names) - Mason City, IA

USPTO Classifications:
269/157, 269/229, 269/6

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. Wolff
C. Sedgwick
W. C. Stanbery
Nathan Read
O. H. Stilson

Patent Dates:
Granted: Mar. 25, 1873

Patent Pictures:
Simon B. Dexter Pat. March 25, 1873
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Description:
Loops on the ends of the jaws ride on rods. The pivot points for the jaws are movable. Turning the handle moves the head in and out, and opens or closes the jaws. It is an improvement on Dexter's previous patent (no. 136,907).

Pat. No. 137,130 is Dexter's application of the same principle to a large-scale tool for grasping large objects.

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