Patent ID: 8499654
Filing Date: 2013-08-06
Classification: F16H,H02K,Y10T

Abstract:
1. An electrically driven actuator for linearly moving a mass, the actuator comprising: a main pipe comprising a housing head; a spindle; a spindle nut; an electric motor; at least one elongated actuator element that acts on a driving side onto the mass, the at least one elongated actuator element is supported within the main pipe such that the at least one elongated actuator element is slideable in an axial direction and is coupled with the spindle nut at a driven side, wherein: an annular fastening element and an O-ring seated on the annular fastening element, wherein the annular fastening element and the O-ring are arranged in the gap between the two pipes at an end portion facing the mass to be moved, for protecting the elastomer material against external influences.