Bearings – Linear bearing – Combined with seal or guard
Reexamination Certificate
2005-06-07
2005-06-07
Hannon, Thomas R. (Department: 3682)
Bearings
Linear bearing
Combined with seal or guard
C384S045000
Reexamination Certificate
active
06902322
ABSTRACT:
A linear guide bearing apparatus has a guide rail including a first raceway groove; a movable element including a second raceway groove and a rolling element return groove connected continuously with the second raceway groove through curved grooves respectively formed in the two end portions of the second raceway groove, the movable element being movably fitted with the guide rail; a plurality of rolling elements loaded in a circulation passage including the first raceway groove, the second raceway groove, the curved grooves, and the rolling element return groove for moving the movable element along the guide rail; and, an under-seal disposed in the movable element for sealing a space between the guide rail and the movable element, wherein the under-seal includes a sliding contact portion elastically contacted with the guide rail to thereby receive an upward-going force from the guide rail.
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patent: 6217217 (2001-04-01), Teramachi
patent: 19841668 (2000-03-01), None
Hannon Thomas R.
NSK Ltd.
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