Planetary gear transmission systems or components – Planet periphery surrounds axis of interacting gear
Patent
1991-07-10
1993-01-26
Braun, Leslie A.
Planetary gear transmission systems or components
Planet periphery surrounds axis of interacting gear
296223, B60J 704
Patent
active
051818914
ABSTRACT:
Drive device for a vehicle part that is displaceable between end positions, with an electric motor connected by a reduction gear to a driving pinion which is connected to the vehicle part so as to drive it, as well as with a switching device for controlling the motor to stop the motor in at least one predetermined position of the vehicle part. To actuate the switching device there is a switch wheel which, during displacement of the vehicle part between its end positions, is rotated less than 360.degree. by an eccentric gear train. The eccentric gear train has an external gear with an internal toothing coaxial to a common shaft of the reduction gear and the eccentric gear train, an eccentric disk that is connected to the common shaft in a manner precluding relative rotation between the eccentric disk, and an internal gear with an external toothing that meshes with the internal toothing of the external gear. The internal gear is supported on the eccentric disk for relative rotation between the internal gear and the eccentric disk. The internal gear is prevented from rotating relative to the external gear and is guided for movement back and forth along an adjusting axis that is normal to the axial direction of the shaft. The external gear is connected to the switch wheel to rotate with it.
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Gruber Reinhold
Pohl Peter
Braun Leslie A.
Ta Khoi Q.
Webasto AG Fahrzeugtechnik
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