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. 11, 1989
Filed:
Mar. 14, 1988
Applicant:
Inventors:
Alfred S Smemo, Dubuque, IA (US);
Daniel J Paisley, Dubuque, IA (US);
Gary L Baskerville, Dubuque, IA (US);
Assignee:
Deere & Company, Moline, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K / ;
U.S. Cl.
CPC ...
180 701 ; 180235 ;
Abstract
A telescoping drive shaft comprising a first drive shaft element which telescopingly receives a second drive shaft element which is provided with lubricating passages. Lubricating grease held in the first drive shaft element can be directed through the lubricating passages to the intermeshed splines of the two drive shaft elements. A non-positive seal at the end of the first drive shaft element is used to exhaust excess lubricating grease from the drive shaft.