Device for adjusting a seat position

Patent metadata

Field	Value
Publication number	US-11679697-B2
Application number	US-202017082176-A
Country	US
Kind code	B2
Filing date	Oct 28, 2020
Priority date	Oct 29, 2019
Publication date	Jun 20, 2023
Grant date	Jun 20, 2023

Abstract

The invention relates to a device for adjusting a seat position for a vehicle seat, which comprises at least one support element for a seat part and can be connected to a seat substructure, the device comprising at least one first leg and at least one second leg, the legs being rotatably arrangeable on the seat substructure and the at least one support element, the at least one first leg and the at least one second leg being mechanically coupled by a connecting element, the length of which can be modified, wherein a modification of the length of the connecting element causes a change in an angle of inclination θ of the support element.

First claim

What is claimed is:

1. A device for adjusting a seat position for a vehicle seat, the device comprising at least one support element for a seat part and that can be connected to a seat substructure,
wherein the device comprises at least one first leg and at least one second leg, wherein the at least one first leg and the at least one second leg can be rotatably arranged on the seat substructure and the at least one support element, wherein the at least one first leg and the at least one second leg are mechanically coupled by a connecting element, a length of which is modifiable, wherein a modification of the length of the connecting element causes a change in an angle of inclination of the support element, wherein the at least one first leg is mounted to a first axis of rotation relative to the seat substructure, wherein the at least one second leg is mounted to a second axis of rotation relative to the seat substructure, wherein a distance between the first axis of rotation and the second axis of rotation is fixed, wherein the at least one first leg and the at least one second leg are each rotatably mounted about an axis of rotation relative to the support element, wherein, in an upper end region of a first section, the axis of rotation is arranged with respect to the rotation relative to the support element, wherein the axis of rotation with respect to the rotation relative to the seat substructure is arranged in a bend region, and wherein the modification of the length of the connecting element causes a rotation of the at least one second leg about at least the axis of rotation with respect to a rotation relative to the connecting element and about the axis of rotation with respect to a rotation relative to the seat substructure, with the modification of the length of the connecting element not causing any rotation of the at least one first leg.

2. The device according to claim 1 , wherein the angle of inclination extends between a central axis of the at least one support element and a reference axis that is substantially parallel to a longitudinal axis of the device, and wherein the angle of inclination is proportional to the length of the connecting element.

3. The device according to claim 1 , wherein the connecting element maintains a modified length of the connecting element, wherein the connecting element can be controlled by an operating and control device, wherein the operating and control device comprises a memory device that can store certain length values of the connecting element, wherein the length of the connecting element is continuously adjustable, wherein the connecting element is a lockable gas spring or an adjusting element, and wherein the adjusting element comprises a screw jack.

4. The device according to claim 1 , wherein the at least one first leg is arranged along a longitudinal axis behind the at least one second leg, wherein the at least one first leg along the longitudinal axis is connected to the at least one second leg by a first longitudinal connection, that is realised by the at least one support element or by the seat part, wherein the at least one first leg and the at least one second leg each have a first section and a second section, wherein the first section and the second section each enclose a first angle, wherein the at least one first leg and the at least one second leg are substantially L-shaped, and wherein a bend region is provided between the first section and the second section.

5. The device according to claim 4 , wherein the connecting element is arranged between the second section of the at least one first leg and the second section of the at least one second leg, wherein the respective second section is rotatable about an axis of rotation relative to the connecting element, and wherein the axis of rotation with respect to a rotation of the at least one first leg or the at least one second leg relative to the connecting element is arranged in a lower end region of the respective second section.

6. The device according to claim 1 , wherein the at least one first leg and the support element enclose a first angle, wherein the first angle is adjustable by an angle adjustment device, wherein a change in the first angle causes a displacement of the at least one support element along a height axis and along a longitudinal axis, wherein a change in the first angle that causes a downward displacement of the at least one support element along the height axis at the same time causes a forward displacement of the at least one support element along the longitudinal axis, and wherein a change in the first angle that causes an upward displacement of the at least one support element along the height axis at the same time causes a backward displacement of the at least one support element along the longitudinal axis.

7. The device according to claim 1 , wherein the at least one second leg is indirectly connected to the at least one support element, the at least one second leg being connected to the support element via a spacing element, wherein the spacing element is rotatable about an axis of rotation relative to the at least one second leg, and wherein the spacing element is rotatable about a further axis of rotation relative to the support element.

8. The device according to claim 1 , wherein a first section of the at least one first leg and a first section of the at least one second leg have the same length, wherein axes of rotation with respect to the rotation relative to the support element of the at least one first leg and the at least one second leg lie on a first imaginary or real connecting line, wherein the axes of rotation with respect to the rotation relative to the seat substructure of the at least one first leg and the at least one second leg lie on a second imaginary or real connecting line, and wherein the first connecting line, the second connecting line, the first section of the at least one first leg, and the first section of the at least one second leg form a quadrilateral shape.

9. The device according to claim 6 , wherein a second section of the at least one first leg and a second section of the at least one second leg have the same length, wherein the axes of rotation with respect to the rotation of the at least one first leg and the at least one second leg relative to the connecting element lie on a third imaginary or real connecting line, and wherein a second connecting line, the third connecting line and the second sections of the at least one first leg and the at least one second leg form a second trapezoid.

10. The device according to claim 1 , wherein two first legs and two second legs are provided, the two first legs being spaced from one another along a width axis and being rotatable about the same axes of rotation, wherein the two second legs are spaced from one another along the width axis and are rotatable about the same axes of rotation, and wherein the two first legs and the two second legs opposite one another along the width axis are connected by at least one transverse connection.

11. The device according to claim 1 , wherein the device is a modular component.

12. A vehicle seat having a device according to claim 1 .

13. The vehicle seat according to claim 12 , wherein the vehicle seat comprises a scissor frame that attaches the vehicle seat to a body floor, and wherein the vehicle seat comprises at least one of a spring or damping device for suspension/damping of at least one of vertical vibrations or horizontal vibrations.

14. A device for adjusting a seat position for a vehicle seat, the device comprising:
a support element for a seat part, the support element capable of being connected t

Assignees

• Grammer Ag

Inventors

• Haller Erwin

Classifications

• B60N2/10 Primary

  tiltable (B60N2/12 {, B60N2/2875} take precedence) · CPC title

• B60N2/1665

  Hydraulic or pneumatic actuation · CPC title

• B60N2/1695 Primary

  with simultaneous height and inclination adjustment · CPC title

• B60N2/164

  Linear actuator, e.g. screw mechanism · CPC title

• B60N2/045

  Longitudinal adjustment by means of articulated rods supporting the seat, e.g. parallelogram mechanisms (B60N2/38 takes precedence) · CPC title