Appeal No. 1999-1779 Application No. 08/480,561 “transmit drive forces along the drive direction from the driving bearing element to the driven bearing element.” Relating this to Figure 5, the drive direction is essentially perpendicular to the planes of the facing surfaces 10Page: Previous 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 NextLast modified: November 3, 2007