| 摘要 |
PCT No. PCT/CH93/00137 Sec. 371 Date Aug. 5, 1994 Sec. 102(e) Date Aug. 5, 1994 PCT Filed May 27, 1993 PCT Pub. No. WO94/02237 PCT Pub. Date Feb. 3, 1994.A tumbler body with an oloid hollow body (7) is positioned on two free-moving, endless conveyor belts (8). A strip (10) runs around and is attached to the hollow body (7) limited by two profiles (9). The strip (10) maintains a positive connection to a driving element in form of an endless belt. The profiles (9) sink into the area of the guiding and driving system (11) in between the conveyor belts (8). The system contains and combines a guide for guiding the profiles (9) and a drive for driving the driving elements. The conveyor belts (8) glide on the low-friction tables (12) supported by a frame (14) which is also the attachment point for the guiding and driving system. The frame (14) is supported by a base (15). During the rolling process on the conveyor belts (8), the hollow body (7) has a tumbling motion, during which the profiles (9) in the area of the guiding and driving system (11) sink to their lowest point and the tangents at the profiles (9) are always in the moving direction of the conveyor belts (8) at this lowest point.
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