Cesspit water level indicator

Measuring and testing – Liquid level or depth gauge – Float

Patent

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Details

338 41, G01F 2360, H01C 1010

Patent

active

054819113

ABSTRACT:
A cesspit water level indicator is provided. The water level indicator includes an expansible element which carries a sliding rod to move up and down relative to a fixed rod responsive to the change of water level in a cesspit. The sliding rod includes an electrical contact in the form of a pin. The pin slidably engages a resistive plate mounted to the fixed rod. The change in electrical resistance is indicative of the change of water level in the cesspit.

REFERENCES:
patent: 2647395 (1953-08-01), Smith et al.
patent: 3849770 (1974-11-01), Hayashida
patent: 3908461 (1975-09-01), Turpen
patent: 3976963 (1976-08-01), Kubler
patent: 4384184 (1983-05-01), Alvarez

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