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Drive arrangement for motorized actuation of a functional element in a motor vehicle

  • US 7,665,794 B2
  • Filed: 10/27/2006
  • Issued: 02/23/2010
  • Est. Priority Date: 10/27/2005
  • Status: Expired due to Fees
First Claim
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1. Drive arrangement for motorized actuation of a functional element in a motor vehicle, comprising:

  • at least one drive, the drive having a drive motor and a spindle-spindle nut gear connected downstream of the drive motor for producing linear drive movements, the spindle-spindle nut gear having a spindle with an outside screw thread and a spindle nut with an inside screw thread, the linear drive movements being a motion of the spindle nut parallel to a spindle axis,wherein the spindle-spindle nut gear has at least one telescoping sleeve with an inside screw thread and an outside screw thread, the spindle being located extending inside the at least one telescoping sleeve and the spindle nut being located entirely outside the at least one telescoping sleeve,wherein the spindle, the at least one telescoping sleeve and spindle nut are arranged in a telescoping manner being screwed into one another with each outside thread forming a thread pairing with an respective inside thread;

    wherein the functional element is one of a rear hatch, a rear cover and a side door of a motor vehicle and wherein the functional element is coupled to the body of the motor vehicle to be pivotable around a pivot axis for opening and closing an opening of the body, andwherein the spindle-spindle nut gear has a single telescoping sleeve, wherein the outside screw thread of the spindle runs in the inside screw thread of the telescoping sleeve, and wherein the outside screw thread of the telescoping sleeve runs in the inside screw thread of the spindle nut.

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