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US Patent: 1,380,643
Wrench
Patentee:
Samuel Eagle - Gilbert Plains, MB Canada

USPTO Classifications:
81/177.7

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
PLOMB TOOL - Los Angeles, CA

Witnesses:
Gerald S. Roxburgh
K. B. Wakefield

Patent Dates:
Applied: Oct. 13, 1920
Granted: Jun. 07, 1921

Patent Pictures:
Samuel Eagle Pat. June 7, 1921
USPTO pdf tiff
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Description:
The patent is for the "breaker bar" handle for sockets, with a spring detent to hold the handle in line with the head.

The patent number appears on some PLOMB tools, and the idea was used by other makers as well.

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