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US Patent: 705,874
Construction of Wrenches
Harry Searle - Worcester, MA

USPTO Classifications:

Tool Categories:
wrenches : wrench components : wrench handle components

Coes Wrench Co. - Worcester, MA

Coes Wrench Co. - Worcester, MA

Frank L. Coes

Patent Dates:
Applied: Apr. 18, 1902
Granted: Jul. 29, 1902

Patent Pictures:
Harry Searle Pat. July 29, 1902
USPTO pdf tiff
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The patent involves cylindrical or spherical inserts in the main shank of a Coes wrench which function as an alternate to the "rosette retaining notch." The adjusting "rosette" is notched or grooved to accomodate the insert. A parallel patent (no. 705875) has a metal pin serving the same function.

This feature appears on 12 in. and larger Coes Steel Handle wrenches. It is described on pg. 77 of Herb Page's book, "The Brothers Coes and Their Legacy of Wrenches." (2005)

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