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US Patent: 1,382,320
Bolt and Nut Holder
Patentees:
Elmer Riley - Dodge City, KS
Clarence Yunker - Dodge City, KS

USPTO Classifications:
81/55

Tool Categories:
wrenches : socket wrenches
wrenches : automotive specialty wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Mar. 02, 1920
Granted: Jun. 21, 1921

Patent Pictures:
Elmer Riley & Clarence Yunker patent June 21, 1921
USPTO pdf tiff
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Description:
Spring loaded frame to hold two wrench sockets in position facing each other, and pulling them toward each other. Each socket has a latch to hold it from rotation, and each latch has means to disengage it to allow that socket to be turned.

The specifications describe the tool in use on "automobile crankcase bolts."

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