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:
May. 07, 2002
Filed:
Oct. 16, 2000
Wolfgang Döppling, Aurachtal, DE;
Manfred Winkler, Aurachtal, DE;
Other;
Abstract
A roller transmission, in particular toroidal transmission, with infinitely variable transmission ratio, includes a friction wheel ( ) disposed between a driving disk ( ) and driven disk ( ) and rotatably mounted to a swingable carrier ( ). The friction wheel has a circumferential friction surface ( ) for interaction with confronting end faces ( ) of both disks ( ). The friction wheel ( ) is made of two sheet metal parts ( ) interconnected outside the friction surface ( ) and defining a partition plane which is disposed substantially transversely to the rotation axis of the friction wheel ( ), wherein at least one cavity ( ) is arranged between both sheet metal parts ( ).