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. 20, 1988
Filed:
Sep. 22, 1987
Applicant:
Inventors:
Assignee:
Jean Waltersheid GmbH, Lohmar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
180 533 ; 180900 ;
Abstract
A coupling device for connecting the power take off means of an agricultural tractor to a driven shaft of an implement includes an upper guide member 20 connected between the tractor and the implement from which the drive shaft 16 is resiliently supported by the springs 42. The guide member 20 is telescopic and is lockable, when the tractor is coupled to the implement, by means of a lever arm 40 to which the springs 42 are connected. In the coupled condition the lever arm is retracted thereby releasing the drive shaft 16 from the resilient bias of the springs 42 and thereby releasing the drive shaft bearings from any spring loading during operation.