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US Patent: 125,388
Improvement in loose pulleys
Patentee:
Jonathan P. Grosvenor (exact or similar names) - Lowell, MA

USPTO Classifications:
384/385

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms

Assignees:
None

Manufacturer:
Jonathan P. Grosvenor - Lowell, MA

Witnesses:
D. Hall Rice
Erastus Stearns

Patent Dates:
Granted: Apr. 09, 1872

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for J. P. Grosvenor.
Description:
"My invention relates to the construction, inside a loose pulley, of a reservoir for oil or other lubricant, so that the oil will not escape from the pulley while stationary, and while revolving is kept within the pulley and constantly applied to all parts of the bearing by the motion of the pulley."

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