Anti-lock ball spline assembly

Details Anti-lock ball spline assembly Anti-lock ball spline assembly

1989-05-30

1991-01-01

Stodola, Daniel P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Coupling facilitates relative axial motion between coupled...

Coupler includes antifriction rolling body engageable with...

F16D 306

Patent

active

049814591

ABSTRACT:
A ball spline assembly in which a sleeve is coupled for rotation with and axial movement relative to a shaft by angularly spaced rows of balls which travel in grooved raceways formed in the sleeve and the shaft. A circumferentially extending groove is formed around the shaft near the ends of the raceways therein in order to remove runout from the raceways and thereby prevent the raceways from forcing the balls radially outwardly and locking up the assembly when the shaft is in an extreme axial position relative to the sleeve.

REFERENCES:
patent: 1536986 (1925-05-01), Thiemer
patent: 3365914 (1968-01-01), Asher

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