Abstract: An adapter device for attaching a vacuum cleaner bag to a retaining plate intended to be received in a vacuum cleaner bag retaining device of a vacuum cleaner and comprising a retaining plate through hole is described. The adapter device has a base element comprising a first surface and a second surface as well as a through hole which extends between the first and the second surface. The clamping arrangement comprises at least one deformable clamping element which is attached or can be attached to the base element and can be brought into a first and a second deformation state.