Intermittent Gravity Oiler

Description
This is a gravity oiler similar to the Hay oiler in which the lubricating oil is contained in a glass reservoir from which it flows by its own weight through a valve in the bottom of the reservoir. The valve through which the oil flows is a small conical valve held closed by the weight of the oil above it. A stem projects downward from the lubricator, which when pushed upward lifts the valve from its seat and allows the oil to flow. It is probable that this lubricator was designed to release a drop of oil upon the surfaces of some slow-moving machine, such as the guides of a planer when a cam or lug on the moving part engaged the valve stem and raised it.
Reference:
This description comes from the 1939 Catalog of the Mechanical Collections of the Division of Engineering United States Museum Bulletin 173 by Frank A. Taylor.
Location
Currently not on view
date made
1878
patent date
1878-09-24
place made
United States: California
Measurements
overall: 8 1/4 in x 5 1/2 in x 5 1/2 in; 20.955 cm x 13.97 cm x 13.97 cm
ID Number
MC.311184
catalog number
311184
accession number
89797
patent number
208,245
See more items in
Work and Industry: Mechanical and Civil Engineering
Work
Industry & Manufacturing
Bulletin 173
Engineering, Building, and Architecture
Data Source
National Museum of American History, Kenneth E. Behring Center

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