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US Patent: 2,162,359
Lock for Socket Wrenches, etc.
Patentee:
Harry A. Rhinevault (exact or similar names) - Chicago, IL

USPTO Classifications:
279/81, 403/328, 403/360, 425/269, 81/177.85

Tool Categories:
wrenches : socket wrenches

Assignees:
Armstrong Bros. Tool Co. - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Aug. 22, 1936
Granted: Jun. 13, 1939

Patent Pictures:
Harry A. Rhinevault patent June 13, 1939
USPTO (New site tip)
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Armstrong Brothers Tool Co. history
Description:
From the specifications: "The series of balls constitutes flexible means for transmitting pressure from the eccentric portion of the ring to the detent ball."

The specifications contrast this construction to patent no. 2,008,367 which requires a screwdriver.

Parker, Carlson, Pitzner & Hubbard - patent attorneys

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