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US Patent: 1,466,256
Force Pump Oil Can
Patentee:
Edward B. Stelter - Hingham, MT

USPTO Classifications:
222/109, 222/391

Tool Categories:
industrial tools : tool lubricators : oil cans

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Mar. 11, 1922
Granted: Aug. 28, 1923

Patent Pictures:
Edward B. Stelter patent Aug. 28, 1923
USPTO pdf tiff
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Description:
The goose-necked central hollow tube operated on by the lever linkage is the lifting shaft for an internal plunger. It allows air movement into the space "below" the internal plunger and can also be used to remove oil which seeps past the gasket in the plunger.

This patent and Stelter's subsequent improvement patent (no. 1,515,446) are noted on the RED STAR OILER.

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