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:
Dec. 30, 1980
Filed:
Feb. 02, 1979
William F Ostergren, Terre Hill, PA (US);
Sperry Corporation, New Holland, PA (US);
Abstract
A novel drive system for a manure spreader is disclosed wherein an infinitely adjustable variable speed drive mechanism transfers power from the power input shaft to the apron assembly and a constant speed drive mechanism transfers power from the same power input shaft to the beater assembly. A bypass mechanism allows for an extension of the hydraulic cylinder controlling a cam device, used for varying the speed of the apron drive mechanism, without activation of the cam device when the power input shaft is not engaged for rotation of the drive system. A tensioning idler connected to the cam device through a lost motion linkage provides for disengagement of the beater drive system during the cleanout of the manure spreader by the apron assembly. A drive shaft to the beater assembly is included inside of a tubular drive shaft to the apron assembly, whereby a concentric drive line assembly transfers power rearwardly to the driven assemblies.