Linear motion rolling contact guide unit having an asymmetrical

Details Linear motion rolling contact guide unit having an asymmetrical Linear motion rolling contact guide unit having an asymmetrical

1991-09-23

1993-03-02

Hannon, Thomas R.

Bearings

Linear bearing

Ball bearing

384 45, F16C 2906

Patent

active

051903784

ABSTRACT:
A linear motion rolling contact guide unit is provided. The present guide unit includes a rail, a slider and a plurality of balls interposed between the rail and the slider. The rail is formed with an inner guide groove and the slider is formed with an outer guide groove located opposite to and in parallel with the associated inner guide groove to thereby define a guide channel in which the balls are interposed between the rail and the slider. The inner and outer guide grooves are defined such that a first distance between two contact points between the ball and the inner guide groove when brought into contact therewith is longer than a second distance between two contact points between the ball and the outer guide groove when brought into contact therewith.

REFERENCES:
patent: 4692038 (1987-09-01), Kasai
patent: 4784498 (1988-11-01), Geka et al.

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