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US Patent: 1,243,861
Folding Brace Wrench
Charles A. Olson - Geneva, IL
Claude H. Toombs - Geneva, IL

USPTO Classifications:
81/112, 81/73

Tool Categories:
wrenches : brace wrenches


Hill Pump Valve Co. - Chicago, IL

W. C. Smith

Patent Dates:
Applied: Jun. 12, 1916
Granted: Oct. 23, 1917

Patent Pictures: [ 1 | 2 | 3 ]
Charles A. Olson and Claude H. Toombs patent Oct. 23, 1917
USPTO pdf tiff
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The patent is for the combination of the square shank end, spring, and square hole which combine to create a hinge point for attaching a socket wrench head to a brace handle. The socket portion is also described in pat. no. 1,243,860.

Advertised in 1915 and produced as the UTILITY folding brace wrench. Later production shortened the handle, and fixed the socket to the brace.

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