| 摘要 |
PCT No. PCT/FR78/00012 Sec. 371 Date Mar. 15, 1979 Sec. 102(e) Date Mar. 15, 1979 PCT Filed July 19, 1978 PCT Pub. No. WO79/00052 PCT Pub. Date Feb. 8, 1979 Unidirectional drive device comprising a cage inside which a shaft rotates so that, in a certain direction it drives this cage, of the type comprising grooves of which the section on one of its faces is smaller than the one which they determine on the other face, the grooves made in the bore of the cage being defined as each being obtained by penetration in the wall of this bore of a cylinder inclined with respect to the geometrical axis of this bore and which is displaced parallel to a longitudinal diametrical plane of this latter, while balls, known per se, are introduced in the passage determined between each groove and the shaft with a view to constituting members for wedging between the cage and the shaft.
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