Measuring and testing – Liquid level or depth gauge – Sight glass
Patent
1976-05-28
1977-07-26
Queisser, Richard C.
Measuring and testing
Liquid level or depth gauge
Sight glass
1525036, 73118, 73334, G01F 2302
Patent
active
040374718
ABSTRACT:
An engine oil level detection device of a construction, wherein an observation window is provided in one part of an oil receptacle or pan, and a wiper to clean the inner surface of the window soiled with the lubricant oil stuck thereonto by splashing is held on the window portion in a manner to be rotatable by finger actions or by a tool.
REFERENCES:
patent: 1068626 (1913-07-01), Buck
patent: 3089338 (1963-05-01), Glasgow
Okamoto Yoshinori
Tsuruoka Toshio
Corr Denis E.
Honda Giken Kogyo Kabushiki Kaisha
Queisser Richard C.
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