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US Patent: 79,721
Threading Screws
Patentee:
T. D. Bassett - Charlestown, MA

USPTO Classifications:
409/69

Tool Categories:
metalworking machines : metal lathes : screwcutting lathes

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles Robinson, Jr.
L. H. Latimer
J. B. Crosby
C. Warren Brown

Patent Dates:
Granted: Jul. 07, 1868

Patent Pictures:
USPTO pdf tiff
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Description:
This invention consists in the combination of a jointed shaft with a rotating burr-cutter, mounted on a swinging frame; also, in combining these last-named features with a weighted and sliding tool-rest; also, in arranging the dead-centre in the edge of the tail-stock, for the purpose hereinafter described.

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