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Title:
ROLLER ELEMENT
Document Type and Number:
WIPO Patent Application WO2005113391
Kind Code:
A3
Abstract:
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).

Inventors:
REIST WALTER (CH)
Application Number:
PCT/CH2005/000288
Publication Date:
April 20, 2006
Filing Date:
May 20, 2005
Export Citation:
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Assignee:
WRH WALTER REIST HOLDING AG (CH)
REIST WALTER (CH)
International Classes:
B65G7/00; B65G7/04; B65G17/20; F16C13/04; F16C29/06; F16C33/38; F16C33/50; F16C33/52
Foreign References:
US6203200B12001-03-20
EP0890755A21999-01-13
EP0838602A11998-04-29
US2644691A1953-07-07
DE2620864A11977-11-24
DE8704850U11987-06-11
FR2279969A11976-02-20
US5434938A1995-07-18
DE1269952B1968-06-06
US4702623A1987-10-27
FR2023524A11970-08-21
US5456182A1995-10-10
US4921361A1990-05-01
FR1116656A1956-05-09
DE19577C
DE488310C1929-12-24
DE1147896B1963-04-25
US3091189A1963-05-28
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