Cutting force sensor

Details Cutting force sensor Cutting force sensor

1973-10-03

1980-01-01

Pate, III, William

Mining or in situ disintegration of hard material

Automatic control; signaling or indicating

Of hard material disintegrating machine

340189M, E21C 3900

Patent

active

041813600

ABSTRACT:
A rotary cutter head of a mineral mining machine has a sensor to detect the cutting horizon of the cutter head relative to a boundary of a mineral seam and to derive a signal indicative of changes in the cutting horizon. The derived signal is fed to a radio transmitter on the cutter head which transmits a representative signal.

REFERENCES:
patent: 2741468 (1956-04-01), Alspaugh
patent: 2790968 (1957-04-01), Cook et al.
patent: 3062043 (1962-11-01), Marsh et al.
patent: 3102718 (1963-09-01), Eberle
patent: 3232668 (1966-02-01), Moon
patent: 3350944 (1967-11-01), DeMichele
patent: 3550959 (1970-12-01), Alford
patent: 3591235 (1971-07-01), Addison
patent: 3594587 (1971-07-01), Martens et al.

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