Linear guideway having spacers and spacer ball

Details Linear guideway having spacers and spacer ball Linear guideway having spacers and spacer ball

1999-04-15

2000-09-05

Bucci, David A.

Bearings

Linear bearing

Recirculating

384521, F16C 2906

Patent

active

061132748

ABSTRACT:
Spacers 10 of the same size are each disposed between adjacent ones of balls 6 which are loaded into each of endless circulation paths 8 formed in a carriage 3, and a spacer ball 12 having a diameter slightly smaller than a nominal diameter of each of the balls is disposed in a gap formed between the ball positioned at a start end as a start-end ball 6A and the ball positioned at a terminal end as a terminal-end ball 6B.
Both axial end faces of each spacer 10 are formed as concave faces 20 conforming to the spherical surface of each ball 6 and thus there is no fear of disengagement of the spacers 10 and the balls 6 from each other during rolling of the balls.

REFERENCES:
patent: 785663 (1905-03-01), Chapman
patent: 1283449 (1918-11-01), Astrom
patent: 1375313 (1921-04-01), Ohlsson
patent: 2221512 (1940-11-01), Foley
patent: 2723169 (1955-11-01), Petit
patent: 3053105 (1962-09-01), Cole
patent: 5360271 (1994-11-01), Agari
patent: 5927858 (1999-07-01), Agari
patent: 6012848 (2000-01-01), Michioka et al.
Watabayashi, Eiichi, JIS How to Use Series, Rolling Bearing Manual, 1.sup.st Edition, 1.sup.st Print, Japan Standard Association, Feb. 20, 1999, pp. 299-301.

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