[특허]Roller element

WRH Walter Reist Holding AG

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특허 상세정보

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Roller element

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16C-029/06
미국특허분류(USC)	384/044; 384/155; 198/779; 029/898.03
출원번호	UP-0569214 (2005-05-20)
등록번호	US-7785011 (2010-09-20)
우선권정보	CH-884/04(2004-05-21)
국제출원번호	PCT/CH2005/000288 (2005-05-20)
§371/§102 date	20061207 (20061207)
국제공개번호	WO05/113391 (2005-12-01)
발명자 / 주소	Reist, Walter
출원인 / 주소	WRH Walter Reist Holding AG
대리인 / 주소	Rankin, Hill & Clark LLP
인용정보	피인용 횟수 : 5 인용 특허 : 9

초록
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A roller element (10) is provided which has a central body (1) and a roller unit (2). The 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) an...

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The invention claimed is: 1. A roller element (10), comprising: a central body (1), as well as a roller unit, wherein said roller unit (2) is arranged to run around the central body (1) on a non-circular continuous track, wherein the roller unit (2) includes rollers (3) which, on an internal side of the roller unit (2), are movable, by rolling, around the central body (1), wherein the rollers (3) are rotatably supported on both sides, in an axial direction, in a lateral spacer body (84) that moves along with the rollers, wherein the lateral spacer bodies (84), in a running direction, are larger than the diameter of the rollers, so that the rollers (3) are spaced apart from one another, and wherein the at least one central body (1) comprises means for temporarily holding articles to be conveyed. 2. The roller element (10) in accordance with claim 1, wherein the rollers (3), on an external side of the roller unit (2) and on one side of the central body (1), roll on a counter body (5), and wherein between the roller unit (2) and the counter body (5) a belt or a creeper chain (24) is arranged, which extends around the outside of the roller unit (2), and which, over the whole circumference of the roller unit (2), lies against the roller unit (2). 3. The roller element (10) in accordance with claim 2, wherein the rollers (3) comprise guide elements (33, 36). 4. The roller element (10) in accordance with claim 3, wherein the guide elements of the rollers (3) are grooves (36) extending in a circumferential direction of the rollers (3). 5. The roller element (10) in accordance with claim 4, wherein the belt or a creeper chain (24) comprises a guide ridge (28), which engages in the grooves (36) extending in circumferential direction of the rollers (3). 6. The roller element (10) in accordance with claim 1, wherein the rollers (3) are cylindrical and comprise the shape of a bulging out cylinder or a bulging in cylinder. 7. The roller element (10) in accordance with claim 1, wherein the rollers (3) are each made in one piece and molded out of plastic material. 8. The roller element (10) in accordance with claim 1, wherein the central body (1) on a first side comprises a first circular arc track section, and on a second side, located opposite the first side, comprises a second circular arc track section, wherein the two circular arc track sections are concentric. 9. A bearing utilizing a roller element (10) in accordance with claim 8, wherein at least three roller elements (10) are arranged around the circumference of a ring-shaped bearing between two counter bodies (5, 5′) supported against one another. 10. A conveying device utilizing a roller element (10) in accordance with claim 1, wherein several roller elements (10) are arranged in a sequence and two roller elements (10) respectively are movably connected together through a connecting element (85). 11. The roller element in accordance with claim 1, wherein the rollers and the lateral spacer bodies run around the central body in a conveying track, and a play is present between the lateral spacer bodies and the conveying track. 12. A roller element (10), comprising: a central body (1), as well as a roller unit, wherein said roller unit (2) is arranged to run around the central body (1) on a non-circular continuous track, wherein the roller unit (2) includes rollers (3) which, on an internal side of the roller unit, (2) are movable, by rolling, around the central body (1), wherein the rollers (3) are designed as balls or as essentially roller-shaped, a circumferential surface of the rollers (3) is shaped as a rolling surface (32) corresponding with the central body (1) and for rolling on the central body (1), the roller unit (2) comprises a flexible means for achieving an unchanging spacing between the rollers (3), wherein the flexible means connects bearing axles (31) of the rollers (3) together, wherein the flexible means is a cage belt (9), which comprises ring-like holding zones (91), in which the rollers (3) are inserted, and link zones (92), which flexibly connect the holding zones (91) together, wherein the roller unit (2) comprises play therein and the play of the roller unit relative to the central body is so big, that the roller unit at one point is able to be lifted off from the central body by at least ⅕ of a roller diameter. 13. The roller element (10) in accordance with claim 12, wherein the cage belt (9) is formed in one piece out of a plastic material. 14. The roller element (10) in accordance with claim 13, wherein on the internal sides of the holding zones (91), bearing locations (94) are formed opposite one another and on the rollers (3) corresponding axle elements (95) are formed, and that the rollers (3) by means of the axle elements (95) are inserted into the bearing locations (94). 15. The roller element (10) in accordance with claim 14, wherein the bearing locations (94) are formed as inner cones and the axle elements (95) are formed as outer cones. 16. The roller element (10) in accordance with claim 12, further comprising rigid supporting bodies (82), which absorb forces to a counter body (5), wherein the supporting bodies (82) are not connected together and are movable around a conveying track (17) of the central body (1) and wherein by the rollers (3) the supporting bodies are bearing supported relative to the central body (1), and wherein the rollers (3) are spaced apart from one another by individual roller rings (83) surrounding the rollers or by a cage belt (9). 17. The roller element (10) in accordance with claim 12, wherein the central body (1) comprises a continuous track curved two-fold. 18. The roller element (10) in accordance with claim 17, wherein the continuous track, apart from first curvatures which are required for circulating the rollers around the central body (1) and which essentially run parallel to bearing axles 31 of the rollers 3, comprises a further curvature, the axis of which essentially is vertical to the curvature axes of the first curvatures. 19. The roller element (10) in accordance with claim 12, wherein the rollers (3) are spherical. 20. A cage belt (9) for a roller element (10) in accordance with claim 12, wherein the cage belt (9) comprises ring-like holding zones (91), in which rollers (3) are inserted, and link zones (92), which flexibly connect the holding zones (91) together, wherein the cage belt (9) is formed as a single piece from a plastic material. 21. A roller element (10), comprising: a central body (1), as well as a roller unit, wherein said roller unit (2) is arranged to run around the central body (1) on a non-circular continuous track, wherein the roller unit (2) includes rollers (3) which, on an internal side of the roller unit (2), are movable, by rolling, around the central body (1), wherein the rollers (3) are rotatably supported on first and second sides of the roller unit, in an axial direction, in a lateral spacer body (84) that moves along with the rollers, wherein the lateral spacer bodies (84), in a running direction, are larger than the diameter of the rollers, so that the rollers (3) are spaced apart from one another, and wherein the lateral spacer bodies on the first side of the roller unit are not linked to one another and play is present therebetween, and the lateral spacer bodies on the second side of the roller unit are not linked to one another and play is present therebetween, so that only a pushing but not a pulling movement of a sequence of rollers is possible. 22. A roller element (10), comprising: a central body (1), as well as a roller unit, wherein said roller unit (2) is arranged to run around the central body (1) on a non-circular continuous track, wherein the roller unit (2) includes rollers (3) which, on an internal side of the roller unit (2), are movable, by rolling, around the central body (1), wherein the rollers (3) are rotatably supported on both sides, in an axial direction, in a lateral spacer body (84) that moves along with the rollers, wherein the lateral spacer bodies (84), in a running direction, are larger than the diameter of the rollers, so that the rollers (3) are spaced apart from one another, and wherein ends of the spacer bodies pushing against one another are circular cylinder segment surfaces whose cylinder axis coincides with a bearing axis of the corresponding roller.

이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 5

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Roller element

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Roller element

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이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 5

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