Drive member

Patent metadata

Field	Value
Publication number	US-11904738-B2
Application number	US-202217839683-A
Country	US
Kind code	B2
Filing date	Jun 14, 2022
Priority date	Jun 17, 2021
Publication date	Feb 20, 2024
Grant date	Feb 20, 2024

Abstract

A drive member including a motor with a longitudinal axis and with at an actuating end a gear mechanism. A support member carries a displacement rod that is movably mounted on the support member. The motor is with its actuating end connected to the support member. The gear mechanism includes a hinge member allowing pivoting of the displacement rod about a pivot axis that is oriented transversely to the longitudinal axis. The gear mechanism engages with the displacement rod and the support member is hingingly attached to a fixation bracket in a hinge connection that is hingeable about an axis which is oriented transversely to the longitudinal axis. The drive member can be used for the adjustment of the backrest of a rear seat in a motor vehicle.

First claim

The invention claimed is:

1. A drive member, comprising:
a motor with a longitudinal axis and with at an actuating end a gear mechanism;
a support member carrying a displacement rod that is movably mounted on the support member, the motor being with its actuating end connected to the support member;
wherein the gear mechanism comprises a hinge member allowing pivoting of the displacement rod about a pivot axis that is oriented transversely to the longitudinal axis, the gear mechanism engaging with the displacement rod;
wherein the support member is hingedly attached to a fixation bracket in a hinge connection that is hingeable about an axis which is transverse to the longitudinal axis and to the pivot axis;
wherein the fixation bracket comprises a plate-shaped body with a central opening with at opposed edges of the opening a flange extending transversely to the plane of the body, the flanges carrying the support member.

2. The drive member according to claim 1 , wherein the displacement rod extends along the motor in the direction of the longitudinal axis.

3. The drive member according to claim 1 , the gear mechanism comprising a housing through which the displacement rod extends via rounded hinge members that are spaced apart in the direction of the longitudinal axis, the displacement rod passing through the support member via an opening that is larger than the displacement rod, such as to provide a pivot space.

4. The drive member according to claim 1 , the motor being situated on a first side of the plate shaped body of the fixation bracket, the actuating rod extending through the opening to a second side of the plate-shaped body, and being provided at the second side with movable joint.

5. The drive member according to claim 2 , the displacement rod at the side of the motor comprising a free end that is not provided with attachment means.

6. A vehicle, comprising:
a seat with a back rest that can pivot about a lower pivot axis;
a drive member, comprising:
a motor with a longitudinal axis and with at an actuating end a gear mechanism;
a support member carrying a displacement rod that is movably mounted on the support member, the motor being with its actuating end connected to the support member;
wherein the gear mechanism comprises a hinge member allowing pivoting of the displacement rod about a pivot axis that is oriented transversely to the longitudinal axis, the gear mechanism engaging with the displacement rod;
wherein the support member is hingedly attached to a fixation bracket in a hinge connection that is hingeable about an axis which is transverse to the longitudinal axis and to the pivot axis;
wherein the fixation bracket comprises a plate-shaped body with a central opening with at opposed edges of the opening a flange extending transversely to the plane of the body, the flanges carrying the support member;

wherein the fixation bracket is connected to a frame part of the vehicle and the displacement rod is attached to an upper part of the back rest.

7. The vehicle according to claim 6 , wherein the seat is a rear seat.

8. The vehicle according to claim 6 , wherein the displacement rod extends along the motor in the direction of the longitudinal axis.

9. The vehicle according to claim 6 , the gear mechanism comprising a housing through which the displacement rod extends via rounded hinge members that are spaced apart in the direction of the longitudinal axis, the displacement rod passing through the support member via an opening that is larger than the displacement rod, such as to provide a pivot space.

10. The vehicle according to claim 6 , the motor being situated on a first side of the plate shaped body of the fixation bracket, the actuating rod extending through the opening to a second side of the plate-shaped body, and being provided at the second side with movable joint.

11. The vehicle according to claim 8 , the displacement rod at the side of the motor comprising a free end that is not provided with attachment means.

Assignees

• Volvo Car Corp

Inventors

• Setterberg Peter
• Modh Lars

Classifications

• B60N2/23 Primary

  by {linear actuators, e.g.} linear screw mechanisms · CPC title

• B60N2/02246

  Electric motors therefor · CPC title

• B60N2/02258

  characterised by the mounting of the electric motor for adjusting the seat · CPC title

• B60N2/2213 Primary

  Gear wheel driven mechanism (B60N2/2231, B60N2/225 take precedence) · CPC title

• B60N2/2245 Primary

  provided with a lock mechanism on the upper part of the back-rest · CPC title