Apparatus for indicating the filling level of silos and the like

Details Apparatus for indicating the filling level of silos and the like Apparatus for indicating the filling level of silos and the like

1973-11-26

1976-03-02

Scott, James R.

Electricity: circuit makers and breakers

Special application

Turn indicator type switches

200 6121, 340246, H01H 3500, G08B 2100

Patent

active

039419568

ABSTRACT:
An electromotor is mounted on a support and has a shaft extending into the silo or the like. The shaft, which is rotated by the electromotor, carries a blade which contacts the material in the silo when the material rises to a predetermined level. This prevents the blade and shaft from further rotating, and results in the generation of a signal. A free-wheeling device connects the shaft with the motor so that the shaft and motor are coupled for joint rotation in only one direction, but not in the opposite direction.

REFERENCES:
patent: 2064230 (1936-12-01), Starr
patent: 2116075 (1938-05-01), Lenhart
patent: 2380595 (1945-07-01), Hertrich
patent: 2441356 (1948-05-01), Hertrich
patent: 2647251 (1953-07-01), Archibald
patent: 2698362 (1954-12-01), Bozich
patent: 2737274 (1956-03-01), Mouravieff
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patent: 2909766 (1959-10-01), Bozich
patent: 2961842 (1960-11-01), Wright
patent: 3210493 (1965-10-01), Lau
patent: 3210495 (1965-10-01), Lau
patent: 3548982 (1970-12-01), Soloviev et al.
patent: 3581131 (1971-05-01), Richter
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The Way Things Work; pp., 196, 197; Simon and Schuster, publishers; Vol. 2, 1967, Lib. of Congress Catalog No. 67-27972.

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