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US Patent: 134,250
Improvement in loose pulleys
Patentee:
Wilson W. Carey - Lowell, MA

USPTO Classifications:
384/388

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

Assignees:
None

Manufacturer:
Carey & Harris - Lowell, MA
W. W. Carey - Lowell, MA

Witnesses:
J. R. Snow
R. H. Eddy

Patent Dates:
Granted: Dec. 24, 1872

Patent Pictures:
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"Vintage Machinery" entry for W. W. Carey
Description:
"The principal object of my invention is to render the pulley what is termed a self-lubricating one, it containing a reservoir for holding oil, such reservoir having one or more or a series of educts, each of which contains a reservoir for holding oil, such reservoir having one or more or a series of educts, each of which contains or is to contain a strainer consisting of a plug of leather, or other suitable material, such as will not only serve as a filter or strainer, but as a means of slowly delivering the oil or lubricating fluid upon the revolving shaft of the pulley while the latter may be in revolution."

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