Magnetic clearance sensor

Details Magnetic clearance sensor Magnetic clearance sensor

1978-10-30

1980-06-03

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

241 37, 324208, 340679, B02C 2500

Patent

active

042057973

ABSTRACT:
Magnetic-electronic apparatus for sensing the clearance between two ferrous metals, for application in measuring the clearance between a shear bar and the cutting knives of a harvesting farm machine, is disclosed having a magnetic sensor disposed within the shear bar for producing a magnetic field, the interception of which by the passage of a knife produces an electronic signal which is processed by appropriate circuitry for indicating the clearance between the knives and the shear bar.

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patent: 2548599 (1951-04-01), Garr
patent: 2829692 (1958-04-01), Innocenti
patent: 3035782 (1962-05-01), Burbank
patent: 3133707 (1964-05-01), Zimmerman
patent: 3434670 (1969-03-01), May
patent: 3500179 (1970-03-01), May
patent: 3757501 (1973-09-01), Bennett, Jr. et al.
patent: 3815111 (1974-06-01), Abbe
patent: 3855525 (1974-12-01), Bernin
patent: 3912434 (1975-10-01), Nagahara et al.
patent: 3944146 (1976-03-01), Stockmann et al.
patent: 4045738 (1977-08-01), Buzzell
patent: 4084752 (1978-04-01), Hagiwara et al.

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