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US Patent: 37,971
Ratchet brace
Patentee:
L. H. Olmsted - Yonkers, NY

USPTO Classifications:
408/121

Tool Categories:
woodworking tools : braces : ratchet braces

Assignees:
None

Manufacturer:
Davenport & Betts - Stamford, CT

Witnesses:
M. S. Partridge
Daniel Robertson

Patent Dates:
Granted: Mar. 24, 1863

Patent Pictures:
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Description:
The 1864-12-03 Scientific American contains an illustrated article on this invention: "This ratchet drill is the most novel one we have ever seen. It is self feeding, and has the details of the ratchet portion arranged in a very ingenious and durable manner..." The article concludes by mentioning that is was being manufactured by Davenport & Betts of Stamford, Conn.

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