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. 18, 1999
Filed:
Mar. 13, 1998
Applicant:
Inventor:
Gerd Stahlecker, Eislingen, DE;
Assignee:
Novibra GmbH, Suessen, DE;
Primary Examiner:
Int. Cl.
CPC ...
D01H / ;
U.S. Cl.
CPC ...
57406 ; 57404 ; 384566 ; 384588 ; 384549 ;
Abstract
Supporting disks are provided for a supporting disk bearing for open-end spinning rotors, which supporting disks have an essentially cylindrical running surface defined by encircling border edges. The running surface is provided with a helically shaped groove comprising at least two turns. The starting point of the groove as well as the end thereof have an eased runout which is at a distance to the respective border edge.