Guide apparatus

Details Guide apparatus Guide apparatus

2004-10-05

2010-10-26

Hannon, Thomas R (Department: 3656)

Bearings

Linear bearing

Combined with seal or guard

C384S013000, C384S045000

Reexamination Certificate

active

07819584

ABSTRACT:
A guide apparatus including a track rail and a moving block is free from the possibility of foreign matter entering the moving block through the gaps between the side surfaces of the track rail and the inner side surfaces of the moving block even in an environment where many fine dust particles are flying.A guide apparatus has a track rail and a moving block20relatively movably attached to the track rail with rolling elements interposed therebetween. The rolling elements recirculate through rolling element recirculation passages. Foreign matter entry preventing plates34are provided so that their respective distal ends longitudinally contact the opposite side surfaces of the track rail to close the gaps between the side surfaces of the track rail and at least the inner side surfaces of skirt portions on both sides of a moving block body21and the inner side surfaces of end plates of the moving block20.

REFERENCES:
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patent: 6-51548 (1994-07-01), None
patent: 1994-51547 (1994-07-01), None
patent: 1994-51548 (1994-07-01), None
patent: 6-346919 (1994-12-01), None
patent: 9-317764 (1997-12-01), None
International Search Report of International Application PCT/JP2004/014628 mailed Jan. 25, 2005.
Japanese Office Action mailed on Apr. 20, 2010 issued in corresponding Japanese Patent Application No. 2003-348893.

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