Patent ID: 9249839
Filing Date: 2016-02-02
CPC Classification: F16D,F16H

Claim Text:
1. A shifting device of a motor vehicle transmission, the shifting device comprising: a hollow drive shaft ( a drive output gear ( a shifting piston being supported by an interior surface of the drive shaft such that the shifting piston is axially slidable within the drive shaft between a locked position and an unlocked position, and the shifting piston comprising an outer surface having two circumferential grooves that are axially offset from each other, an axial width of the offset, between the rows of the radial bores, is substantially equal to an axial width of the offset between the circumferential grooves of the shifting piston; a plurality of balls being arranged within the two sets of radial bores in the drive shaft such that each of the radial bores receives a respective ball, and the plurality of balls being radially movable within the radial bores, and a diameter of the balls is substantially equal to an axial width of each of the circumferential grooves of the shifting piston;