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:
Sep. 04, 2007
Filed:
Jun. 16, 2005
Jurgen Osterlanger, Emskirchen, DE;
Ralf Mayer, Herzogenaurach, DE;
Horst Munck, Herzogenaurach, DE;
Jurgen Osterlanger, Emskirchen, DE;
Ralf Mayer, Herzogenaurach, DE;
Horst Munck, Herzogenaurach, DE;
Ina-Schaeffler KG, Herzogenaurach, DE;
Abstract
Ball screw, between the spindle nut () and threaded spindle () of which at least one ball chain () formed from balls () rolls in each case along a ball channel () which is delimited by ball grooves () formed on the spindle nut () and on the threaded spindle (), the ball chain () being deflected from one end of the ball channel () to a start of this ball channel () in deflection portions of the ball channel (), one or more spring elements () arranged in the ball chain () between balls () of the ball chain () exerting a pressure force on the balls () in the axis of the ball chain ().