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. 21, 2005
Filed:
Jul. 07, 2001
Applicants:
Bernard Sich, Friedrichshafen, DE;
Axel Matheis, Sauldorf, DE;
Inventors:
Bernard Sich, Friedrichshafen, DE;
Axel Matheis, Sauldorf, DE;
Assignee:
ZF Friedrichshafen AG, Friedrichshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H013/10 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to a stepless friction drive () in which friction wheels () are mounted. Said friction drive is provided with a system that allows a compensatory displacement of the corresponding friction wheel () when the input and output wheels are elastically deformed. Said system is mounted between the lower end of every support () and the hydraulic piston (). The compensation system comprises an upper bearing shell (), a lower bearing shell () and balls () that are maintained in a defined arrangement by means of a cage ().