Ball spline

Details Ball spline Ball spline

1997-12-31

1999-04-13

Footland, Lenard A.

Bearings

Linear bearing

Recirculating

F16C 2906

Patent

active

058936467

ABSTRACT:
The present invention provides a ball spline which enables the manufacturing of an outer cylinder to be done simply, the manufacturing cost to be reduced, and the loading of balls to be done easily. This ball spline comprises a slider fitted around a ball spline shaft so that the slider can be slid freely thereon, and so that rotational torque can be transmitted to the slider. In the slider, a retainer unit fitted in the outer cylinder is divided into two at the regions of direction changing passages, and rings provided with curved portions constituting guides for balls are fitted in the portions of the outer cylinder which are opposed to the regions of the direction changing passages. The rings are fitted between the outer cylinder and retainers.

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