Linear guide apparatus

Details Linear guide apparatus Linear guide apparatus

1988-11-10

1989-12-12

Footland, Lenard A.

Bearings

Linear bearing

Lubricating

384 45, F16C 2906

Patent

active

048863742

ABSTRACT:
A linear guide apparatus includes a guide rail and a slider mounted on the guide rail movable in the axial direction through balls interposed between corresponding ball rolling grooves of the guide rail and the slider. End caps are joined to opposite ends of the slider, and each of the end caps has a ball circulating path formed therein to connect the ball rolling grooves of the guide rail and the slider to ball rolling paths formed in the slider. An oil feed groove is formed in the end cap, and lubricating oil is normally supplied to the ball circulating path from an oil feed nipple attached to the front of the end cap through the oil feed groove. A blind hole for mounting the oil feed nipple is formed in the side of the end cap as a spare oil feed hole at the time of molding of the end cap so that the bottom of the blind hole is located close to the oil feed groove. When it is necessary to change the position of the oil feed nipple from the front to the side of the end cap, the bottom portion of the blind hole is easily opened to connect the blind hole to the oil feed groove.

REFERENCES:
patent: 4253709 (1981-03-01), Teramachi
patent: 4420193 (1983-12-01), Teramachi
patent: 4472003 (1984-09-01), Osawa
patent: 4610488 (1986-09-01), Geka
patent: 4616886 (1986-10-01), Teramachi
patent: 4773770 (1988-09-01), Osawa et al.

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