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US Patent: 161,022
Improvement in Wrenches
Patentee:
George W. Freeman (exact or similar names) - Indianapolis, IN

USPTO Classifications:
81/58.5

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Harry Coleman
A. Ruppert
Daniel H. Wiles
Stephen B. Wilson

Patent Dates:
Applied: Sep. 28, 1874
Granted: Mar. 23, 1875

Patent Pictures:
George W. Freeman Pat. March 23, 1875
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Description:
The wrench has "scroll-shaped" openings with interchangeable insertable sockets that have a number of teeth around their circumference. The single "tooth" on the scroll can engage with a tooth on the socket to transfer force. There are no springs or pawls in this construction.

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