Adjustable device for motor vehicle seat

• US 8,382,205 B2
• Filed: 12/10/2010
• Issued: 02/26/2013
• Est. Priority Date: 12/10/2010
• Status: Active Grant

• Current Assignee: Keiper Seating Mechanisms Company Limited
• Original Assignee: C ROB Hammerstein GmbH & Company KG (Johnson Controls International plc)
• Inventors: Teer, Antal
• Primary Examiner(s): White, Rodney B
• Application Number:
  US12/965,726
• Publication Number:
  US 20120146379A1
• Time in Patent Office: 809 Days
• Field of Search: 297/344.17
• US Class Current: 297/344.17
• CPC Class Codes: B60N 2/1842 pivoting about an axis located in the rear
• CPC Class Codes: B60N 2/1853 Linear actuator, e.g. screw mechanism
• CPC Class Codes: B60N 2/233 by linear screw mechanisms
• CPC Class Codes: B60N 2/929 linear
• CPC Class Codes: Y10T 74/18792 including worm

Abstract

Disclosed is an adjustment device for a motor vehicle seat having an adjusting element adjustably disposed in its longitudinal direction and in the area of one end, connectable in an articulated manner to a vehicle seat structure, and a drive unit driving the adjusting element. In order to provide an adjustment device of the initially named type, that can be disposed at a vehicle seat component in a simple and reliable manner, it is provided that the drive unit comprises means for the articulated, particularly pivotal, connection to a vehicle seat component, particularly a side member of a seat base frame.

Claims

1. An adjustment device for a motor vehicle seat, having

an adjusting element adjustably disposed in its longitudinal direction and in the area of one end, connectable in an articulated manner to a vehicle seat structure, and

a drive unit driving the adjusting element, comprising a detachably connected retaining element for pivotal connection of the drive unit to a vehicle seat component,

wherein the retaining element comprises a through opening for receiving the adjusting element in a displaceable manner.

2. The adjustment device according to claim 1, wherein the retaining element comprises a bore, in particular a threaded bore for receiving a bearing bolt that can be disposed so as to rotate at a vehicle seat component.

3. The adjustment device according to claim 2, wherein the bore and the adjusting element are disposed so that their longitudinal axes run essentially at right angles to each other and in a common plane.

4. The adjustment device according to claim 1, wherein the retaining element comprises a stop body that can be brought into contact with the vehicle seat component.

5. The adjustment device according to claim 4, wherein the stop body is disposed coaxially to the bore.

6. The adjustment device according to claim 4, wherein the stop body is formed integrally with the retaining element.

7. The adjustment device according to claim 4, wherein the stop body comprises a slide coating.

8. The adjustment device according to claim 1, wherein the retaining element is constructed such that it encompasses the drive unit at least partially in a U-shape.

9. The adjustment device according to claim 1, wherein the drive unit comprises a motor unit and a transmission unit, wherein the adjusting element is in engagement with the transmission unit.

10. The adjustment device according to claim 9, wherein the motor unit is coupled via a worm disposed on an output shaft to a worm gear mounted so as to rotate in a transmission housing, wherein the worm gear is constructed as a spindle nut for driving a spindle disposed axially in the worm gear.

11. The adjustment device according to claim 10, wherein the spindle comprises a connecting link at the first end for the articulated connection to a lever, and a stop element at its second end opposite to the first end.

12. A motor vehicle seat having a seat base frame and an assembly adjustable with respect to the seat base frame, wherein the adjustment device according to claim 1 is disposed in a pivotal manner at the seat base frame.

13. The motor vehicle seat according to claim 12, wherein the adjustment device is mounted in an articulated manner via a bearing bushing disposed in an opening of the vehicle seat component.

14. The motor vehicle seat according to claim 13, wherein the vehicle seat component is a side member.