Patent ID: 7350431

Claim:
A device for reduction of movement of a main shaft ( 6 ) of a transmission having at least two counter shafts, a drive shaft ( 7 ) and a main shaft ( 6 ), the device comprising: in a region of the drive shaft ( 7 ) coaxially extending within the main shaft ( 6 ), a bearing ring ( 5 ) coaxially located on the drive shaft ( 7 ), a first ring ( 12 ) axially and fixedly engaged between the bearing ring ( 5 ) and the main shaft ( 6 ), a second ring ( 1 ) axially fixed to an end of the drive shaft ( 7 ), and a spring element ( 2 ) located between the first ( 12 ) and the second ( 1 ) rings and exerting a first axial force on the drive shaft ( 7 ) through the second ring ( 1 ) to resiliently bias the drive shaft ( 7 ) toward the main shaft ( 6 ), and a second axial force on the main shaft ( 6 ) through the bearing ring ( 5 ) and the first ring ( 12 ) to resiliently bias the main shaft ( 6 ) toward the drive shaft ( 7 ).