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Adjusting device for lumbar support or side cushion adjuster with screw drive for a seat element of a vehicle seat

A technology for adjusting equipment and vehicle seats, which is applied to vehicle seats, special positions of vehicles, vehicle components, etc., and can solve problems such as low strength

Active Publication Date: 2022-05-13
BROSE FAHRZEUGTEILE GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, flexible screws have significantly lower strength compared to rigid screws due to their construction

Method used

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  • Adjusting device for lumbar support or side cushion adjuster with screw drive for a seat element of a vehicle seat
  • Adjusting device for lumbar support or side cushion adjuster with screw drive for a seat element of a vehicle seat
  • Adjusting device for lumbar support or side cushion adjuster with screw drive for a seat element of a vehicle seat

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0049] figure 1 A modular adjustment device V is shown in a perspective view with reference to the spatial orientation of the xyz vehicle seat coordinate system, which can be used, for example, for side bolster adjusters or lumbar support devices Can be installed into the seat surface or backrest of a vehicle seat and connected to the strength structure of the seat surface or backrest. In this case, the adjustment device V has two support elements in the form of two support rods 20 and 21, which can act on an optionally upholstered seat element S, for example a comfort cushion of a vehicle seat (cf. Figure 7A and Figure 7B ) in order to variably change the contour and / or position of the seat element S, especially its curvature and / or width. In this case, a body part of the seat user is usually supported by the seat element S when the seat user normally occupies the vehicle seat.

[0050] In order to connect the adjusting device V to the strength structure of the vehicle s...

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PUM

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Abstract

The invention relates to an adjustment device for a lumbar support device or a side bolster adjuster for varying the contour or position of a seat element (S) supporting a body part of a seat user of a vehicle seat, said adjustment device having: at least one drive (4a, 4b) comprising a screw drive; and at least one adjustable support element (20, 21) for changing the profile or position of the seat element (S), wherein the screw drive comprises a A screw (5) extending with a screw axis (SA) which passes through a screw clamping mechanism (7, 7') is mounted floatingly at the screw end (50), so that the screw (5) is displaceable at the screw end (50) in at least one spatial direction (x, y) extending transversely to the screw axis (SA) . According to the invention, the screw end (50) is via the screw clamping (7, 7') with respect to two first and second spatial directions (x, y) extending approximately perpendicular to each other and respectively perpendicular to the screw axis (SA) ) is held displaceably on the fastening part (B) of the lumbar support device or of the side bolster adjuster.

Description

technical field [0001] The invention relates to an adjustment device for a lumbar support device or a side bolster adjuster for changing the contour or the position of a seat element of a vehicle seat supporting a body part of a seat user. Background technique [0002] In this case, the adjusting device is used, for example, to variably change the shape of the seat bottom, of the support region of the backrest or of the headrest or of the side pads of the vehicle seat by means of at least one support element of the adjusting device. In particular, the adjusting device can be set and provided for adjusting the lateral support area of ​​the seat bottom or of the side bolsters or of the backrest, the shoulders of the vehicle occupant and the support area of ​​the upper rest part of the backrest separated in the head area, the head The curvature and / or the width of the pillow, of the lumbar support in the lumbar region of the vehicle occupant or of the leg support cushion of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60N2/66
CPCB60N2/6673B60N2/99B60N2/66B60N2/929
Inventor 塞巴斯蒂安·艾克霍恩弗洛里安·施米德尔韦拉·沃尔尼恰克
Owner BROSE FAHRZEUGTEILE GMBH & CO KG
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