Abstract: The invention relates to a fixing unit comprises a multi-part, electrically conductive base body provided with connections for the electric power supply of the electrically conductive basebody and additional connections for the electric motor and which is arranged in an electrically non-conductive support comprising at least two fixing holes. The multi-part, electrically conductive base body and the electrically non-conductive support are provided with a common recess.

Abstract: The invention relates to a pile compartment for flat postal articles placed in an upright position, comprising a pile compartment bottom (7) and a pile compartment wall (6) perpendicular thereto. The postal articles (1) inside the pile compartment (5) rest against said pile compartment wall. The pile compartment also comprises a pile support (8), which holds the pile (11) and can be displaced along the pile compartment wall (6) in an approximately horizontal piling direction. At the end of the pile compartment (5), the pile support (8) can be lowered into the plane of the pile compartment bottom, and the pile compartment bottom (7) is provided, at least in part, with a profiled design. The pile support (8) is designed so that it meshes with the bottom profile via the pile support surface that, when raised, slides on the pile compartment bottom (7).