Linear motion rolling guide unit

Details Linear motion rolling guide unit Linear motion rolling guide unit

1993-01-29

1994-05-03

Stodola, Daniel P.

Bearings

Linear bearing

Lubricating

384 44, F16C 3106

Patent

active

053081641

ABSTRACT:
The linear motion rolling guide unit according to this invention has the casing mounted on the track rail so that it can be moved along the track rail. The end caps formed with the recessed arc surfaces for the direction changing passages are attached to the ends of the casing. To form the direction changing passages, the spacers are disposed so that they face and are spaced from the recessed arc surfaces of the end caps. A number of rollers circulate through the raceways formed between the track rail and the casing and through the direction changing passages. The roller-contacting surfaces of the spacers are formed with oil grooves that extend in the direction of roller movement. The oil grooves act as an escape for grease and also hold grease therein, thus reducing the sliding resistance.

REFERENCES:
patent: 1356494 (1920-10-01), Golden
patent: 4461518 (1984-07-01), Tanaka
patent: 4634295 (1987-01-01), Agari
patent: 4799805 (1989-01-01), Tanaka
patent: 5129736 (1992-07-01), Tanaka

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