Linear slide bearing and linear slide table unit employing the s

Details Linear slide bearing and linear slide table unit employing the s Linear slide bearing and linear slide table unit employing the s

1984-01-04

1985-04-30

Footland, Lenard A.

Cutlery

F16C 2906

Patent

active

045140189

ABSTRACT:
A linear slide bearing comprises: a slide block constituted by a block body of U-shaped cross-section having on the inner surfaces of both arms thereof a pair of right and left obliquely upward and downward directed raceways extending longitudinally thereof, the block body further having non-load carrying ball bores longitudinally extending through solid portions of the arms; a track shaft fitted in a recess of the slide block so as to be slidable longitudinally thereof, the track shaft being formed on both its side portions facing the inner surfaces of both the arms with obliquely upward and downward directed raceways facing the raceways on the arms, respectively, to form load carrying ball grooves in cooperation with these raceways; a pair of side covers attached to both side surfaces of the slide block and having respective guide grooves for providing communication between the load carrying ball grooves and the associated non-load carrying ball bores, respectively; and a multiplicity of balls accommodated in two rows of endless tracks formed by the load carrying ball grooves, non-load carrying ball bores and guide grooves, the balls being adapted to recirculate through the insides of the endless tracks. Also disclosed is a linear slide table unit incorporating therein the above-mentioned linear slide bearing.

REFERENCES:
patent: 4118101 (1978-10-01), Teramachi
patent: 4363526 (1982-12-01), Teramachi
patent: 4427240 (1984-01-01), Teramachi
patent: 4428627 (1984-01-01), Teramachi

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