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US Patent: 14,564
Improved mortising-machine
Patentee:
Edward Joslin - Keene, NH

USPTO Classifications:
144/75

Tool Categories:
woodworking machines : wood drilling and boring : mortising machines
woodworking machines : joint making machines : mortising machines

Assignees:
None

Manufacturer:
J. A. Fay & Co. - Cincinnati, OH

Witnesses:
Dalphon L. Gibbs
Allen Giffin

Patent Dates:
Granted: Apr. 01, 1856

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for J. A. Fay & Co.
Description:
"I do not claim the application of a string to the tool-carriage in order to lift it; but I claim combining or arranging, as specified, with the tri-armed sectoral lever K and the post or frame of the tool-carriage, two wooden springs L M and a connecting-rod O, and so that one spring may be separated by draught, and the other by pressure, when said lever is forced downward, as explained, the same effecting advantages as set forth."

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