Device for a side rod drive of a flue/ventilation flap comprises a spindle nut having openings in a displacement direction that redistribute a lubricant excess in the form of an oil coating in the end regions of a receiving chamber

摘要

Device comprises a housing (1) containing an electric drive motor (2) with controlled load cut-off in the end positions. The drive motor is connected to a spindle (4) guiding a spindle nut (5) arranged on a tubular rod (6). The displacement path of the spindle nut up to the end positions corresponds approximately to the length of a receiving chamber (8) with sealed limits. The spindle nut is provided in the displacement direction with openings (9). A lubricant excess in the form of an oil coating in the end regions of the receiving chamber is redistributed via the openings in the spindle nut onto the spindle. Preferred Features: The openings in the spindle nut are formed by peripherally distributed bores.