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:
Aug. 24, 1982
Filed:
Mar. 26, 1980
Applicant:
Inventor:
Lyle R Madson, Cedar Falls, IA (US);
Assignee:
Deere & Company, Moline, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
74761 ; 74760 ; 74767 ; 74768 ; 74769 ;
Abstract
This invention relates to a multi-speed powershift transmission which is particularly useful in agricultural and industrial type vehicles. The transmission comprises three main planetary sections and two drive clutches. In addition to the two drive clutches, the three planetary sections also contain additional clutches and brakes which act in combination to provide a wide range of closely spaced speed increments.