Roller element

Details Roller element Roller element

B - Operations, Transporting

65

G

B65G 7/00 (2006.01) B65G 17/20 (2006.01) F16C 13/04 (2006.01) F16C 29/06 (2006.01)

Patent

CA 2568631

The invention relates to a roller element (10) which has a central body (1) and a roller unit (2). Said roller unit (2) is mounted so as to circulate on a non-circular race (21) about the central body (1) and so as to be mobile with respect to the central body (1) by the rolling movement of the rollers (3) of the roller unit (2) on the central body (1). The rollers (3) are configured as balls or substantially cylindrical elements. A peripheral surface of the rollers (3), for a substantial part, is shaped as a rolling surface that corresponds to the central body (1) and for rolling off on the central body (1). The elements of the roller unit (2) have play in relation to one another and/or the roller unit has play regarding its mobility in relation to the central body (1). Preferably, the roller unit (2) is provided with means for achieving a constant distance between the rollers, said means being at least one flexible bearing strip (35) interlinking bearing pins (31) of the rollers (3).

L'invention concerne un élément à rouleaux (10) comprenant un corps central (1) et un ensemble rouleaux (2). L'ensemble rouleaux (2) est disposé sur une piste de circulation non circulaire (21) de manière à circuler autour du corps central (1) et de façon à pouvoir être déplacé par rapport au corps central (1) par roulement des rouleaux (3) de l'ensemble rouleaux (2) sur le corps central (1). Lesdits rouleaux (3) sont configurés de manière sphérique ou de manière sensiblement cylindrique. Une surface périphérique des rouleaux (3) est configurée en grande partie en tant que surface de roulement qui correspond au corps central (1) et pour rouler sur le corps central (1). L'ensemble rouleaux (2) présente un jeu en soi et/ou par rapport au corps central (1). De préférence, l'ensemble rouleaux (2) comprend un moyen pour établir un espacement constant entre les rouleaux, ce moyen se présentant au moins sous la forme d'une bande souple à palier (35) qui interconnecte les axes de palier (31) des rouleaux (3).

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