Linear slide bearing and linear slide table using this bearing

Details Linear slide bearing and linear slide table using this bearing Linear slide bearing and linear slide table using this bearing

1983-09-01

1985-11-26

Levy, Stuart S.

Cutlery

F16C 2906

Patent

active

045551499

ABSTRACT:
A linear slide bearing is disclosed having a slide block of substantially C-shaped cross section having a downwardly opened recess defined between arms thereof, one of the arms having an upwardly inclined surface on the inner side thereof, the other arm having a downwardly inclined surface on the inner side thereof, the upwardly and downwardly inclined surfaces each having a load ball groove semicircular in cross section, each of the arms further having a no-load ball hole bored therethrough; a pair of side covers attached to right and left side surfaces of the slide block, each side cover having guide grooves each interconnecting both end portions of the load ball groove and the no-load ball hole; a ball retainer formed from a thin plate material into a shape substantially conforming to the recess of the slide block, the ball retainer being mounted in the recess of the slide block, with both end portions thereof secured by the pair of side covers respectively; a large number of balls running through endless tracks formed by the load ball grooves and the no-load ball holes formed in the arms of the slide block; and a guide rail having at least the upper portion thereof formed into a shape substantially similar in cross section to that of the recess of the slide block.

REFERENCES:
patent: 3721478 (1973-03-01), Anderson et al.
patent: 4273389 (1981-06-01), Takai
patent: 4296974 (1981-10-01), Teramachi

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