Recirculating rolling element cartridge for linear motion...

F - Mech Eng,Light,Heat,Weapons – 16 – C

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F16C 29/06 (2006.01) F16C 13/04 (2006.01) F16C 39/02 (2006.01)

Patent

CA 2388640

A bearing assembly includes at least one and preferably two ball tracks each having a load-bearing portion, a return portion, and a turn--around portion, and a plurality of bearing balls, wherein the ball track is con-figured for the guided recirculation of the bearing balls. The bearing assem-bly includes a housing block with a channel at its distal end for receiving a movable shaft. The channel includes an elongated window aligned with each of the load-bearing portions of the tracks, the window allowing portions of the bearing balls to protrude therethrough to support the shaft. The bear-ing tracks define planes which can be oriented parallel to or perpendicular to the longitudinal axis of the housing block, or which together form an angled V-shaped configuration.

La présente invention concerne un ensemble palier qui comprend au moins un et de préférence deux chemins de roulement, chacun possédant une partie portante, une partie retour et une partie demi-tour, et une pluralité de billes de roulement, la piste de billes étant agencée de façon à obtenir une recirculation dirigée de ces billes de roulement. Cet ensemble palier comprend un logement pourvu d'un canal au niveau de sa partie distale, destiné à recevoir un arbre mobile. Ce canal comprend une fente alignée avec chacune des parties portantes des chemins de roulement, cette fente permettant à une partie des billes de roulement de dépasser de celle-ci de façon porter cet arbre. Les chemins de roulement du palier définissent des plans qui peuvent être orientés parallèlement ou perpendiculairement à l'axe longitudinal du bloc de logement, ou qui forment ensemble une configuration angulaire en forme de V.

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