| 摘要 |
The deformable drive band or the like 3 comprises passage means 2 traversing the band and opening, towards the inside, in line with cells 5 or the like provided in a compressible band 6 extending along the entire drive band, the assembly being such that a suction phenomenon increasing the adherence is created by the compressible band 6 and the cells 5 in a deformation zone of the drive band 3 corresponding to an expansion phase of the said cells 5. <IMAGE>
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