Patent ID: 8789501

Claim:
A device for varying the timing of gas exchange valves of an internal combustion engine, comprising a stator and a rotor accommodated therein, which is adjustable in a circumferential direction (U) relative to the stator by a pressure medium, wherein the rotor is adapted to be connected to a camshaft, a front cover disk and a rear cover disk, between which the stator and the rotor are accommodated, the rear cover disk is provided with a drive wheel that is adapted to be connected to a crankshaft, a spring for rotating the rotor relative to the stator, the spring is arranged between the rear cover disk and a spring cover wherein latching elements are provided on the spring cover and receptacles for the latching elements are provided on the drive wheel, the latching elements comprising a radial latching hook for radial engagement with the drive wheel and tangential latching hook for engagement with the drive wheel in a circumferential direction, and the spring cover is secured on a side of the drive wheel.