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Light alloy seat back structure for car seat and seat with the structure

A seat back, light alloy technology, used in seat frames and other directions

Inactive Publication Date: 2006-01-25
TS TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this runs counter to the need for a lightweight seat back frame

Method used

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  • Light alloy seat back structure for car seat and seat with the structure
  • Light alloy seat back structure for car seat and seat with the structure
  • Light alloy seat back structure for car seat and seat with the structure

Examples

Experimental program
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Embodiment Construction

[0023] Now refer to Figure 1 to Figure 4 , describes a seat back frame 1, which is one of the parts constituting the seat back of a vehicle seat according to an embodiment of the present invention. The seat back frame 1 includes an upper portion 10 , left and right side portions 11 , 12 and a lower portion 13 spaced apart from each other. The upper part 10 connects the upper parts of the left and right side parts 11 , 12 . The lower part 13 connects the lower parts of the left and right side parts 11 , 12 . The entire seat back frame is made of a light alloy such as magnesium alloy, aluminum alloy or the like. The entire seat back frame is preferably die-cast or injection-molded from a lightweight, recyclable magnesium alloy.

[0024] A portion of the seat back frame 1 including the upper portion 10 and the left and right side portions 11 , 12 is formed into a substantially inverted U-shaped profile. The upper part 10 includes a front convex top panel 10a, which includes ...

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PUM

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Abstract

The present invention provides a light alloy seat back frame for a vehicle seat, including a pair of spaced apart side sections, an upper section interconnecting the side sections, a lower section formed into a substantially plate-shape having a width, the lower section extending between lower regions of rear sides of the side sections and interconnecting the side sections, the upper, side and lower sections being integrally made of light alloy, and a belt-shaped metal plate fixed onto a surface of the lower section. The seat back frame further includes a recliner mechanism for allowing a seat back of the vehicle seat to be pivoted with respect to a seat cushion of the vehicle seat. The recliner mechanism comprises cam devices mounted onto lower regions of outer surfaces of the side sections, and an actuating shaft extending along the lower section and interconnecting the cam devices. A metal pipe member for reinforcing a lower part of the seat back frame is mounted around an axial portion of the actuating shaft. There is also disclosed a vehicle seat provided with the seat back frame.

Description

technical field [0001] The invention relates to a seat back frame for a vehicle seat, wherein the entire seat back frame is made of a light alloy, and a reclining vehicle seat having such a seat back frame. Background technique [0002] Hitherto, there is known a seat back for a vehicle seat in which the seat back frame is made of a recyclable light alloy such as magnesium alloy, aluminum alloy or the like (Japanese Patent Application Laid-Open No. 2001 -114004). [0003] Conventional seat back frames made of light alloys include a frame body forming a generally inverted U-shape in profile. A leaning device allowing the seat back to pivot relative to the seat cushion is attached to the lower part of the seat back frame. The frame body includes a left side part and a right side part separated from each other and an upper part connecting the left and right side parts. The frame body further has a lower portion formed in a flat plate shape with a width extending between and ...

Claims

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Application Information

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IPC IPC(8): B60N2/68
Inventor 永山昌树猪股信宏粟野勋
Owner TS TECH CO LTD