Camshaft adjuster

The invention relates to a camshaft adjuster having a stator (1) that can be driven by the crankshaft of an internal combustion engine, and a rotor (2) which can be rotationally fixedly connected to a camshaft of the internal combustion engine and has a plurality of vanes (11) projecting radially outward from a radially inner ring (12), and a torsion spring (5) acting between the rotor (2) and the stator (1) and having spiral turns, which is indirectly or directly connected to the rotor (2) by a first radially inner spring end (7), and indirectly or directly to the stator (1) by a second radially outer spring end (8), and which is arranged at an axial end of the rotor (2) and of the stator (1) and is secured by a securing part covering the turns laterally toward the outer side, wherein on the rotor (2), in a radially inner section of the vanes (11), a plurality of axially projecting pins (3, 4, 6, 9) are provided, which are arranged on a radially inner section of the rotor (3) and, on the radially inner side of the innermost turn, project through the torsion spring (5).