Metal detector apparatus

Details Metal detector apparatus Metal detector apparatus

1982-08-30

1984-02-28

Mancene, Gene

Harvesters

Motorized harvester

With condition-responsive operation

56DIG15, 340684, A01D 7518

Patent

active

044335288

ABSTRACT:
Disclosed is metal detector apparatus for protecting the crop processing unit of a forage harvester. A magnetic field is provided in the area through which crop material is being fed. The field is produced by magnets mounted in a pattern that creates lines of flux at an angle to the general direction of movement of material. A unique pick-up coil arrangement with windings in the magnetic field provides induced signals responsive to the presence of metal objects in the field.

REFERENCES:
patent: 3757501 (1973-09-01), Bennett, Jr. et al.
patent: 3758849 (1973-09-01), Susman et al.
patent: 3763424 (1973-10-01), Bennett, Jr. et al.
patent: 3889249 (1975-06-01), Bennett, Jr. et al.
patent: 3896608 (1975-07-01), Garrott
patent: 3959953 (1976-06-01), Garrott
patent: 3964042 (1976-06-01), Garrott
patent: 3972156 (1976-08-01), Bennett, Jr. et al.
patent: 4344074 (1982-08-01), Strosser et al.

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