Measuring and testing – Liquid level or depth gauge – Float
Patent
1975-06-12
1976-10-05
Swisher, S. Clement
Measuring and testing
Liquid level or depth gauge
Float
116118R, G01F 2308
Patent
active
039837521
ABSTRACT:
An oil level gauge for vehicles, such as tractor-scrapers, which have an oil reservoir in a relatively inaccessible location. An upright tube of small diameter has an open lower end below the lowest level of oil in the reservoir, and an upper end which is in a location that is readily viewed by a person checking the oil level. A gauge rod in the tube has a float at its lower end and has a bright colored enlargement at its upper end which is visible through a sight glass in a fitting that surmounts and seals the top of the tube. The float and the enlargement serve to guide the rod.
REFERENCES:
patent: 1173117 (1916-02-01), Obermann
patent: 1515524 (1924-11-01), Smith
patent: 1837240 (1931-12-01), Thomas
patent: 1908196 (1933-05-01), Talbot
patent: 2510663 (1950-06-01), Schuessler
patent: 3358835 (1967-12-01), Scheidt
patent: 3488855 (1970-01-01), Howe
patent: 3540276 (1970-11-01), Lyden
patent: 3572120 (1971-03-01), Lukas
patent: 3572122 (1971-03-01), Nusbaum
patent: 3835708 (1974-09-01), Gruett
Caterpillar Tractor Co.
Corr Denis E.
Swisher S. Clement
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