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US Patent: 639,700
Ratchet Wrench
Patentee:
Jeremiah Asbury (exact or similar names) - Lexington, Oklahoma Territory

USPTO Classifications:
81/175, 81/62

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. Hutchin
Geo. R. Wilson
A. Roy Appleman, Jr.

Patent Dates:
Applied: Jun. 03, 1899
Granted: Dec. 26, 1899

Patent Pictures:
Jeremiah Asbury patent Dec. 26, 1899
USPTO (New site tip)
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Report data errors or omissions to steward Stan Schulz
Description:
The ratchet head has teeth on both sides; they face in opposite directions. There is a pawl for each set of teeth; the pawl not in use is folded back along the handle and held in "storage" position by a sliding ring. Alternate provisions are described for fixed size sockets and adjustable jaws on the ratchet head, and for arrangements for springs to hold the pawls in contact with the ratchet teeth..

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