Patent ID: 8460144

Claim:
An arrangement for shiftable coupling and decoupling of a drive input shaft ( 1 ) of an automatic transmission of a planetary design with at least one component of a planetary gearset ( 4 ) via at least one claw clutch comprising a shifting claw ( 5 ) and an actuating piston ( 6 ), the claw clutch being substantially centrally arranged inside a sun gear ( 3 ) of the planetary gearset ( 4 ), the shifting claw ( 5 A, 5 B, 5 C) being arranged coaxially with the drive input shaft ( 1 ), the actuating piston ( 6 ) being arranged inside the drive input shaft ( 1 ) and being actuatable hydraulically in both movement directions, whereas the actuating piston ( 6 ) being controlled only from one side.