Linear guide apparatus with ball retainer

Details Linear guide apparatus with ball retainer Linear guide apparatus with ball retainer

1988-04-28

1989-03-07

Footland, Lenard A.

Bearings

Linear bearing

Recirculating

F16C 2906

Patent

active

048101044

ABSTRACT:
A ball retainer made of wire is provided in a ball rolling path constituted by two opposing rolling grooves respectively formed in a side surface of a guide rail and in each inner surface of a slider for holding the balls inserted in the ball rolling path. The wire retainer includes a central straight portion, arcuate portions at both ends of the straight portion, and fixing portions respectively extending from the ends of the arcuate portions in parallel with the straight portion. The straight portion is accommodated in a wire escape channel formed in the bottom of the ball rolling groove of the guide rail, the arcuate portions are held in wire escape channels formed in end caps, and the fixing portions are fitted into wire holding holes formed in the end caps which are secured respectively to opposite ends of the slider.

REFERENCES:
patent: 1750140 (1930-03-01), Thompson
patent: 4441765 (1984-04-01), Kasai et al.
patent: 4472003 (1984-09-01), Osawa
patent: 4497522 (1985-02-01), Szenger
patent: 4557530 (1985-12-01), Haase
patent: 4647226 (1987-03-01), Mottate

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