US Patent: 88,040 - Improvement in mechanical movement


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US Patent: 88,040

Improvement in mechanical movement

Patentee:

Henry R. Huling (exact or similar names) - Boston, MA

USPTO Classifications:

74/437

Tool Categories:

woodworking machines : human powered machines

metalworking machines : metal lathes : metal lathe mechanisms

Assignees:

Henry R. Huling - Boston, MA

John M. Marston - Boston, MA

Manufacturer:

J. M. Marston & Co. - Boston, MA

Witnesses:

S. A. Bolster

Giles H. Rich

Patent Dates:
Granted:	Mar. 23, 1869
Antedated:	Mar. 10, 1869

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for J. M. Marston & Co.

Description:

This treadle-lathe mechanism uses a pair of elliptical gears, and by moving the attachment point of the treadle the speed ratio between treadle and lathe can be varied.