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:
Jun. 22, 2004
Filed:
Jun. 27, 2002
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
In a powershift multi-gear transmission ( ), the countershafts of the reverse gear (KR), of the forward gear (KV) and of the fourth gear (K ) are combined to form one reversing transmission unit ( ) and the countershaft units of the first gear (K ), of the second gear (K ) and of the third gear (K ) are combined to form one gear transmission unit ( ). The reversing transmission unit ( ) is provided on any side of the input shaft ( ). The gear transmission unit ( ) attaches to the reversing transmission unit ( ) so that the reversing transmission unit ( ) and the gear transmission unit ( ) are disposed in relation to the input shaft ( ) in succession upon one side of the input shaft ( ). The gear transmission unit ( ) is preferably located on the countershaft unit of the reverse gear (KR).