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seat back

A seat back and seat technology, which is applied in seat frames, vehicle seats, transportation and packaging, etc., can solve the problems of complex headrest structure, increase the quality and volume of headrest, and achieve the effect of improving modularity.

Active Publication Date: 2020-08-04
PEZHO SITROEN AUTOMOBILS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem with this device is that it greatly complicates the structure of the headrest while increasing its mass and volume

Method used

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Examples

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Embodiment Construction

[0018] figure 1 A vehicle seat back 1 is shown, comprising a frame 2 and a hollow extension module 3 fixed on the upper part of the frame 2, said hollow extension module forming a resonant shell. The hollow extension module includes at least one hollow body. For mutual fixation, the hollow extension modules 3 and the frame 2 each comprise at least portions 21 , 31 shaped to co-operate with each other, said portions being configured to fit against each other. Preferably, these interfittingly shaped portions 21 , 31 comprise hollow portions 21 (eg recesses) and protruding portions 31 . More preferably, the frame 2 has a hollow portion 21 configured to receive a protruding portion 31 of a hollow extension module 3 forming a resonant housing.

[0019] Now study how to fix the frame 2 and the hollow extension module 3 together. Such as figure 1 As shown, the seat back 1 further includes a headrest fixing rod 4 configured to fix the frame 2 and the hollow extension module 3 toge...

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Abstract

The invention relates to a vehicle seat back (1) comprising a frame (2), characterized in that the vehicle seat back also comprises a hollow extension fastened to the upper part of the frame Module (3), said hollow extension module forming a resonant shell.

Description

technical field [0001] The present invention generally relates to vehicle seat backs. Background technique [0002] Vehicles known in the art include various acoustic devices, such as loudspeakers, resonant housings, and the like. These sound devices are in most cases located in the doors or in the chassis of the vehicle, which complicates the implementation of these structures while providing sound of normal quality in the cabin. Therefore, some studies have been conducted in an attempt to eliminate these problems. [0003] Document JP S61131998 describes a vehicle seat headrest in which speakers are integrated at the position of the side surfaces and which includes a cavity inside it serving as a resonant housing. The problem with this arrangement is that it greatly complicates the construction of the headrest while increasing its mass and volume. Contents of the invention [0004] The object of the present invention is to overcome the aforementioned disadvantages, in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60N2/879B60N2/68B60R11/02H04R1/02H04R1/28H04R5/02
CPCB60N2/68B60N2/682B60R11/0217H04R1/025H04R1/2811H04R5/023H04R2499/13B60N2/879B60N2002/905
Inventor C·傅O·桑西耶P·佩拉布德C·迪托D·阿亚
Owner PEZHO SITROEN AUTOMOBILS SA