Linear motion rolling guide unit with open-close plugs in the br

Details Linear motion rolling guide unit with open-close plugs in the br Linear motion rolling guide unit with open-close plugs in the br

1993-11-08

1995-01-10

Hannon, Thomas R.

Bearings

Linear bearing

Lubricating

384 44, 384 45, F16C 3310, F16C 2906

Patent

active

053800974

ABSTRACT:
A lubricating device for a linear motion rolling guide unit which ensures smooth supply of lubricating oil to the upper and lower raceways when the track rail is laid on an inclined or vertical surface of a base. A slider mounted astride the track rail has a casing slidable relative to the track rail and end caps attached to the longitudinal ends of the casing. The end caps are each formed with oil passages, branch oil passages and communication oil passages to supply lubricating oil to the raceways on both sides between the track rail and the casing. Open-close plugs are installed in the branch oil passages. The track rail is formed with communication through-holes that allow the raceways on both sides to communicate with each other. The lubricating oil, after lubricating the upper raceways, flows down the communication through-holes to lubricate the lower raceways.

REFERENCES:
patent: 4582369 (1986-04-01), Itoh
patent: 4850720 (1989-07-01), Osawa
patent: 5129736 (1992-07-01), Tanaka
patent: 5139347 (1992-08-01), Hattori
patent: 5265963 (1993-11-01), Kawaguchi

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