Patent ID: 9303739
Filing Date: 2016-04-05
CPC Classification: A47C,A61G,F16H,H01R,Y10T

Claim Text:
1. An electric motor-actuated linear drive for adjusting moveably mounted parts, the drive comprising: a drive motor, a threaded spindle, a speed reduction gear operatively engaging the drive motor and the threaded spindle, the speed reduction gear having a drive wheel fixedly connected to the threaded spindle, a spindle nut having at least two abutment surfaces in a peripheral region thereof and facing in opposite peripheral directions, the spindle nut being carried on the threaded spindle, and being selectively arrestable in a direction of rotation, and being displaceable in an axial direction of the threaded spindle in dependence on the direction of rotation of the threaded spindle, a stroke element drivable by the axial displacement of the spindle nut for adjusting the moveable parts, and a bar-shaped coupling element supported on a gear housing, or on a housing portion connected thereto, and engageable with the spindle nut, the coupling element being moveable in a direction toward the peripheral region of the spindle nut and away therefrom, wherein the coupling element engages the abutment surfaces of the spindle nut in a coupled position and the coupling element disengages from the abutment surfaces in an uncoupled position, and wherein the coupling element extends along an entire stroke length of the spindle nut.