Patent ID: 7470204
Filing Date: 2008-12-30
Classification: F16G

Abstract:
1. A transmission having a steplessly adjustable transmission ratio, said transmission comprising: two pairs of axially spaced conical disks, an endless torque-transmitting means for transmitting power between the pairs of conical disks and including a plurality of side-by-side plate links having openings and arranged in several rows extending in the longitudinal direction of the endless torque-transmitting means for transmitting longitudinal forces, a plurality of pressure members that extend through respective ones of the plate-link openings of laterally adjacent plate links, the pressure members having respective outermost ends in frictional engagement with conical surfaces of the conical disk pairs as the endless torque-transmitting means transmits power between the pairs of conical disks, wherein two pressure members that are adjacent to each other in the longitudinal direction of the endless torque-transmitting means extend through openings in side-by-side plate links, wherein the arrangement in longitudinal rows in the longitudinal direction of the endless torque-transmitting means of the plate links through which the pressure members extend that are adjacent to each other is repeated in each case after a predetermined number of adjacent pressure members, wherein pairs of side-by-side plate links are provided in first longitudinal rows that are inward of and adjacent to pairs of side-by-side plate links in outermost longitudinal rows of plate links and are penetrated by at least one pair of the same side-by-side pressure members, and wherein each of two laterally outermost longitudinal rows of plates include pairs of side-by-side planar plates that are coextensive with each other to define outermost plate pairs for more uniform distribution of longitudinal stresses across a transverse direction of the endless torque-transmitting means.