The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 1981
Filed:
Nov. 16, 1979
Sperry Corporation, New Holland, PA (US);
Abstract
The invention provides a crop harvesting machine comprising crop processing means, feeder means including feed rolls for feeding crop material to the processing means, drive means operable to drive the crop processing means, further drive means operable to drive the feeder means and detector means operable to detect foreign objects in the crop material in use handled by the machine before they reach the crop processing means, the further drive means comprising a drive reversing mechanism and a belt drive transmission with a belt drive engaging mechanism which is movable between an inoperative position and a drive-engaging position, and the detector means being operable upon detection of an undesirable object to initiate instantaneous arrest of the feed rolls and to move the belt drive engaging mechanism from its drive-engaging position to its inoperative position.