Bearings – Linear bearing – Recirculating
Reexamination Certificate
2008-03-03
2010-11-16
Hannon, Thomas R (Department: 3656)
Bearings
Linear bearing
Recirculating
Reexamination Certificate
active
07832932
ABSTRACT:
A linear roller bearing includes a guide carriage braced longitudinally movably on a guide rail in the axial direction thereof via roller bodies; the guide rail has one bottom face, one top face, and two side faces, which join the bottom face and the top face and on each of which side faces at least one track for roller bodies is located; the guide carriage has two leg parts and one crosspiece joining the two leg parts, so as to embrace the guide rail in essentially a U shape, and at least one roller body race is located in each of the leg parts; and furthermore a roller body race has a load-accepting track, a return track, and curved tracks that join the two tracks, and the load-accepting track of the guide carriage is formed by a raceplate that is parallel to the axial direction of the guide rail and that rests partially on the guide carriage and is braced in rocking fashion about an axis that is approximately perpendicular to the axial direction of the guide rail. The ratio of the thickness of the raceplate to the diameter of the roller body is in a range of from 0.8 to 1.2, and preferably in a range of from 0.8 to 1.1.
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Hannon Thomas R
Robert & Bosch GmbH
Striker Michael J.
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