| 摘要 |
The invention concerns a module made up of 3 pairs of extendable bowls (A A', B B', E E') for transmitting circular forces and the mechanical articulation. The cohesion of the module is provided, either externally by an octahedral frame (C) with an adapted supporting device, or internally by an adapted supporting device or not (fig. 6), providing pressure of the 2 large bowls (A and A') on the other bowls. The contact zones Z, the oblique lines of the stands and the top edges of the bowls, may be equipped with teeth. The rotation of one of the bowls drive the rotation of the 5 others with 3 gear ratios. The bowls opposite have identical rotational velocities. This module also constitutes a triple differential gear.
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