US 11,987,202 B2
Seat belt presenter and vehicle seat with a seat belt presenter
Marcel Rettig, Hamburg (DE); and Ronald Jabusch, Elmshorn (DE)
Assigned to AUTOLIV DEVELOPMENT AB, Vargarda (SE)
Appl. No. 17/755,365
Filed by Autoliv Development AB, Vargarda (SE)
PCT Filed Oct. 14, 2020, PCT No. PCT/EP2020/078882
§ 371(c)(1), (2) Date Apr. 27, 2022,
PCT Pub. No. WO2021/083666, PCT Pub. Date May 6, 2021.
Claims priority of application No. 10 2019 216 705.5 (DE), filed on Oct. 30, 2019.
Prior Publication US 2022/0410837 A1, Dec. 29, 2022
Int. Cl. B60R 22/03 (2006.01); B60N 2/68 (2006.01)
CPC B60R 22/03 (2013.01) [B60N 2/688 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A seat belt presenter for a seat belt system of a motor vehicle, comprising:
a presenter arm with a guide component provided thereon for a seat belt of the seat belt system, the presenter arm having a toothing,
a housing, on which the presenter arm is guided, wherein the housing is formed by a hollow section with an elongate first chamber, in which the presenter arm is arranged,
a drive system driving the presenter arm in an extension movement from a parked position into a presenting position,
the drive system having a worm gear which is driven in a rotational movement, and engages in the toothing of the presenter arm and during a rotational movement, drives the presenter arm in the extension movement as a result of the engagement in the toothing, the drive system has a flexible shaft, which can be driven in a rotational movement and with which the first worm is connected in a rotationally fixed manner,
the presenter arm having a second chamber, in which the drive system engages with a dimensionally stable guide bar, the flexible shaft and the worm gear supported by the guide bar, and
the first chamber has a shape defining the course of the extension movement in the direction of the extension movement of the presenter arm.