Geometrical instruments – Area integrators – Electrical
Patent
1983-11-30
1985-12-17
Yasich, Daniel M.
Geometrical instruments
Area integrators
Electrical
15210B, G01F 2304
Patent
active
045585202
ABSTRACT:
This gauge, for measuring the level of lubricating oil or other liquids such as transmission fluid, is a dipstick having a PTFE wiping block which slides along the length of the dipstick from a stop at an intermediate location to the distal end. The block serves as a cap or shield for the collar on the oil gauge-receiving opening of an engine block. It is held in place as the dipstick is removed, and oil wiped from the dipstick is automatically returned to the crankcase. The dipstick is then reinserted, and the block and dipstick are removed together for a reading. The central part of the passage in the wiping block conforms to the transverse cross-sectional shape of the dipstick while the upper end of the passage is flared so that the dipstick can easily be inserted. The lower end of the passage consists of stepped cylinders for fitting different sizes of collars of oil gauge-receiving openings. Multiple markings are provided adjacent to the distal end of the dipstick.
REFERENCES:
patent: 2244579 (1941-06-01), Scott
patent: 2451704 (1948-10-01), Wood
patent: 3616265 (1971-10-01), Calabrese
patent: 4017935 (1977-04-01), Hernandez
patent: 4110909 (1978-09-01), Mayr et al.
patent: 4155166 (1979-05-01), Rochow et al.
patent: 4233704 (1980-11-01), Sartorio
patent: 4419781 (1983-12-01), Meegan
Article from The Philadelphia Inquirer dated Oct. 23, 1983, entitled "Check Your Own Oil, But Keep It Clean" (Chicago Tribune Service).
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