| http://www.w3.org/ns/prov#value | - Accordingly, the object of the present invention is a drive with an infinitely adjustable speed ratio comprising, at least on the driving side, a pair of conical discs with a variable effective diameter and an adjusting device for the displaceable disc which is characterized in that the adjusting device comprises a hollow cylindrical thrust member connected with a thrust bearing on the displaceabl
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