Title: Apparatus to detect the passage of ferrous material in crop harvesting machines

Abstract: A ferrous material detector operably associated with a crop harvesting machine including a signal generating means operably associated with the compressing means of a harvester. The signal generating means generates a signal during the normal operation of the harvester and interrupts the signal whenever undesirable objects pass in the vicinity of the compressing means. The ferrous material detector also includes a drive system interrupting means which is activated whenever the signal is interrupted.

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Inventors: Garrott, William L. (Gainesville, FL, US)

Application Number: 529305
Filing Date: 1974-12-04
Publication_date: 1976-06-01
Assignee: Sperry Rand Corporation (New Holland, PA)
Primary Class(es): 460/3 56/DIG1, 56/DIG15, 460/16
Other Classes:
US Patent Ref:

2749696	Jun, 1956	Innes	56/10.
3757501	Sep, 1973	Bennet, Jr.	56/10.

Other Refs:
Primary Examiner: Mancene, Louis G.
Assistant Examiner: Eskovitz, J. N.
Attorney: Seemar; Frank A., Flanagan; John R., Brown; Joseph A.