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:
Oct. 05, 2010
Filed:
Jul. 08, 2005
Jurgen Osterlaenger, Emskirchen, DE;
Dieter Adler, Herzogenaurach, DE;
Manfred Kraus, Herzogenaurach, DE;
Ralf Mayer, Herzogenaurach, DE;
Jorg Wagner, Oberreichenbach, DE;
Jean Walter, Haguenau, FR;
Dietmar Rudy, Kleinbundenbach, DE;
Jurgen Osterlaenger, Emskirchen, DE;
Dieter Adler, Herzogenaurach, DE;
Manfred Kraus, Herzogenaurach, DE;
Ralf Mayer, Herzogenaurach, DE;
Jorg Wagner, Oberreichenbach, DE;
Jean Walter, Haguenau, FR;
Dietmar Rudy, Kleinbundenbach, DE;
Schaeffler KG, Herzogenaurch, DE;
Abstract
A ball screw is provided having a ball roller screw () and a screw nut () arranged thereon, whereby the balls () are arranged to endlessly circulate in a ball channel () defined by ball tracks () on the ball roller screw () and the screw nut (). The ball channel () includes a load section () wound about the ball roller screw (), the beginning and end of which are endlessly connected by a load-free return section (). A minimum of two and a maximum of four balls () are housed in a common ball cage (), the cage pockets () of which each house one of the balls (), whereby the ball cage () includes discs () at the axial ends thereof and between adjacent balls (), that engage the ball channels (), and provided on the sides thereof facing the balls () with a concave receptacle () for the balls ().