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    • 5. 发明专利
    • Driving device for a tilt-up sliding panel in a motor vehicle roof
    • DE3823869A1
    • 1990-01-18
    • DE3823869
    • 1988-07-14
    • WEBASTO AG FAHRZEUGTECHNIK
    • RADMANIC STJEPANBIENERT HORST
    • B60J7/057
    • A driving device for a tilt-up sliding panel in a motor vehicle has a step-by-step mechanism comprising a stepping wheel and a stop wheel for carrying out the step-by-step motions for implementing the tilt-up and sliding motion of the sliding panel. In that region which determines the switching step for the closing position of the sliding panel the stop wheel has a sequence of three teeth of which the central one is designed such that it is the longest in the axial direction of the stop wheel, whereas the two teeth which each lie adjacent thereto in the circumferential direction are of a shorter axial size. Adjoining the mid-length teeth of the stop wheel in the circumferential direction are short teeth which are of a still shorter size axially, in each case followed in the circumferential direction by a tooth-shaped supporting projection which in its axial extent proceeds from the upper edge of the mid-length teeth and extends up to the upper edge of the stop wheel. Adjoining the supporting projection in the circumferential direction are further teeth which are staggered with respect to the short teeth and are likewise only provided in the axial region of the supporting projection.