Door closer having a closer drive and having a damping device therefor, • wherein the closer drive has a closer shaft, a closer spring unit, a spring piston and a spring piston drive contour which is provided between the closer shaft and the spring piston, • wherein the damping device has a damping means, a damping piston and a damping piston drive contour which is provided between the closer shaft and the damping piston, • wherein the spring piston drive contour and the damping piston drive contour are coupled in terms of driving to each other and to the closer shaft and can be rotated about a contour rotation axis and extend, being arranged opposite each other at the contour rotation axis, in each case over a peripheral angle (α, β) about the contour rotation axis, • wherein as a result of a rotation of the closer shaft in a rotation opening direction the spring piston drive contour rotates with a tensioning rotation movement about the contour rotation axis and in this instance in the event of a rotation over the peripheral angle (α) of the spring piston drive contour acts on the spring piston which is arranged at one side of the contour rotation axis and moves it in a radial direction of the contour rotation axis with the closer spring unit being tensioned, • wherein, after the rotation of the closer shaft in the rotation opening direction, the spring piston under the action of the relaxing closer spring unit moves back in the radial direction of the contour rotation axis and, with the spring piston acting on the spring piston drive contour, rotates the damping piston drive contour with a damping rotation movement directed counter to the tensioning rotation movement of the spring piston drive contour about the contour rotation axis, wherein the damping piston drive contour which is rotated with the damping rotation movement about the contour rotation axis with a rotation over the peripheral angle (ß) of the damping piston drive contour acts on the damping piston which is arranged at the side of the contour rotation axis remote from the spring piston and moves it counter to a resistance which is applied by the damping means in the radial direction of the contour rotation axis, and • wherein the spring piston drive contour and the damping piston drive contour are arranged so as to be offset relative to each other along the contour rotation axis, characterised in that the spring piston drive contour and the damping piston drive contour extend with mutual overlapping of the peripheral angles (α, β) thereof about the contour rotation axis. • wherein the closer drive has a closer shaft, a closer spring unit, a spring piston and a spring piston drive contour which is provided between the closer shaft and the spring piston, • wherein the damping device has a damping means, a damping piston and a damping piston drive contour which is provided between the closer shaft and the damping piston, • wherein the spring piston drive contour and the damping piston drive contour are coupled in terms of driving to each other and to the closer shaft and can be rotated about a contour rotation axis and extend, being arranged opposite each other at the contour rotation axis, in each case over a peripheral angle (α, β) about the contour rotation axis, • wherein as a result of a rotation of the closer shaft in a rotation opening direction the spring piston drive contour rotates with a tensioning rotation movement about the contour rotation axis and in this instance in the event of a rotation over the peripheral angle (α) of the spring piston drive contour acts on the spring piston which is arranged at one side of the contour rotation axis and moves it in a radial direction of the contour rotation axis with the closer spring unit being tensioned, • wherein, after the rotation of the closer shaft in the rotation opening direction, the spring piston under the action of the relaxing closer spring unit moves back in the radial direction of the contour rotation axis and, with the spring piston acting on the spring piston drive contour, rotates the damping piston drive contour with a damping rotation movement directed counter to the tensioning rotation movement of the spring piston drive contour about the contour rotation axis, wherein the damping piston drive contour which is rotated with the damping rotation movement about the contour rotation axis with a rotation over the peripheral angle (ß) of the damping piston drive contour acts on the damping piston which is arranged at the side of the contour rotation axis remote from the spring piston and moves it counter to a resistance which is applied by the damping means in the radial direction of the contour rotation axis, and • wherein the spring piston drive contour and the damping piston drive contour are arranged so as to be offset relative to each other along the contour rotation axis,