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US Patent: 959,690
Ratchet Wrench
Patentee:
Conrad Robert Anderson (exact or similar names) - West Duluth, MN

USPTO Classifications:
279/23.1, 81/185, 81/30, 81/32, 81/62

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Henry T. Bright
Gerald Hennesy
John Norse
John T. Rowe

Patent Dates:
Applied: Dec. 09, 1909
Granted: May 31, 1910

Patent Pictures:
Conrad Robert Anderson patent May 31, 1910
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Description:
The major feature of the patent is the inserts for the ratchet head. The inside of the ratchet head has notches, and the inserts have springs with ridges to clip into the notches. The ratchet action has two pawls. A rotating ring with a lug disengages one or another of the pawls. The patent presents an alternate form for the handle.

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