Ball spline bearing assembly

Details Ball spline bearing assembly Ball spline bearing assembly

1979-10-24

1981-06-16

Schmidt, Frederick R.

Cutlery

308187, F16C 3106

Patent

active

042733898

ABSTRACT:
A ball spline bearing assembly comprising an outer ring having a plurality of axial endless ball raceways formed in its inside and projections provided on both of the axial ends corresponding to the axial and circumferential positions of the ball raceways, a shaft fitted therein axially and slidably, balls circulated in the ball raceways, and a ball cage fitted to the inside of the outer ring and having a plurality of axial ball slots each formed corresponding to the ball raceways, each slot having a length equal to the axial distance between the projections provided on the opposing axial ends of the outer ring and a width capable of fitting the projection therein and retaining the balls while partially exposing them. The outer ring has preferably formed at its outer circumferential surface a lubricating groove communicating directly to each of the endless ball raceways.

REFERENCES:
patent: 3797897 (1974-03-01), Schaeffler
patent: 3807814 (1974-04-01), Stopp
patent: 4123121 (1978-10-01), Ernst et al.

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