公开(公告)号：EP2399045A1

公开(公告)日：2011-12-28

申请号：EP10704565.0

申请日：2010-02-17

申请人： Schaeffler Technologies GmbH & Co. KG

发明人： ADLER, Dieter ,  KREUTZER, Mario

IPC分类号： F16H25/22

CPC分类号： F16H25/2214 ,  F16H25/24

摘要： The invention relates to a ball nut (1) for a ball screw that has a screw-shaped ball groove (2), preferably having a plurality of turns, wound around the nut axis on the inside circumference thereof for rolling off balls (3), wherein there is a deflection element (5) for deflecting the balls (3), said deflection element (5) connecting a start to an end of the ball groove (2), and wherein the ball groove (2) is limited by shoulders (8,9) of the ball nut (1) whereupon the balls (3) can be rolled off under load, wherein the ball groove (2) is interrupted by at least one shoulderless inside circumference section (11) of the ball nut (1).