US Patent: 1,243,860 - Socket Wrench


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US Patent: 1,243,860

Wrench
Socket Wrench

Patentees:

Charles A. Olson (exact or similar names) - Geneva, IL

Claude H. Toombs (exact or similar names) - Geneva, IL

USPTO Classifications:

279/35, 411/918, 81/112

Tool Categories:

wrenches : wrench adjustment types : quick adjust wrenches

wrenches : socket wrenches

Assignees:

None

Manufacturer:

Hill Pump Valve Co. - Chicago, IL

Witnesses:

Robert H. Weir

H. Morner Humason

Patent Dates:
Applied:	Mar. 10, 1915
Granted:	Oct. 23, 1917

Patent Pictures: [ 1 | 2 ]

Charles A. Olson and Claude H. Toombs patent Oct. 23, 1917

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Description:

Tapered sliding jaws in a tubular case are retracted by springs which act to close them. The jaws are advanced and opened by a pin handle which extends through them and a pair of slots in the tubular case.

Advertised in 1915 as the UTILITY set of self-adjusting sockets with rod handles, and as the head of a folding brace wrench. The brace handle is described in pat. no. 1,243,861.