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.

Date of Patent:
Jul. 19, 1983

Filed:

Aug. 04, 1981
Applicant:
Inventor:

Wayne B Martenas, New Holland, PA (US);

Assignee:

Sperry Corporation, New Holland, PA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01D / ; B02B / ;
U.S. Cl.
CPC ...
56 128 ; 56 133 ; 56 134 ; 241 60 ;
Abstract

The blower of a forage harvester is controlled by two-speed belt drives for operating the blower between a first and a second speed for improved power requirements and operating efficiency. The disadvantages of such belt drives is avoided by a selector apparatus which controls a single speed rotating input and provides a two-speed rotating output.


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