US 7,513,687 B2
	Linear rolling bearing
Peter Keller, Bruchmuhlbach-Miesau (Germany); Peter Heipt, St. Ingbert (Germany); Dietmar Rudy, Kleinbundenbach (Germany); Thomas Winkler, Sulzbach/Saar (Germany); Ralf Moseberg, Kindsbach (Germany); and Michael Heid, Kleinblittersdorff (Germany)
Assigned to Ina-Schaeffler KG, Herzogenaurach (Germany)
Filed on Jul. 18, 2007, as Appl. No. 11/879,590.
Application 11/879590 is a division of application No. 10/632609, filed on Aug. 01, 2003, abandoned.
Claims priority of application No. 102 35 539 (DE), filed on Aug. 03, 2002.
Prior Publication US 2008/0044116 A1, Feb. 21, 2008
Int. Cl. F16C 29/06 (2006.01)

U.S. Cl. 384—45  [384/43]

7 Claims

6. A linear rolling bearing system comprising a guide rail and a guide carriage that partially surrounds the guide rail and is supported by balls for sliding on two long sides of the guide rail, the balls being arranged on each of the two long sides in at least two parallel, endlessly recirculating rows of balls and with a plurality of spacers inserted in the circulating rows while a spacer is inserted between every two successive balls of a row, wherein, on each long side of a guide rail, a common spacer for both of said two rows is inserted between every two adjacent balls of a first of said two rows and between every two adjacent balls of a second of said two rows wherein each spacer has four concave shaped walls adapted to the balls, wherein each concave shaped wall is provided for one ball, and wherein each concave shaped wall encompasses a part of the ball-surface, which part is less than the half of the peripheral surface of the ball.