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Seat cushion frame of backrest chair for motor vehicle

A technology for motor vehicles and backrest chairs, which is applied in the field of seat cushion frames, and can solve the problems such as the decrease in rigidity of seat cushion frames, and achieve the effect of preventing the decrease in rigidity

Active Publication Date: 2012-09-19
TACHI S CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, it is necessary to provide a notch for mounting the cover on the cushion frame, and there is a problem that the rigidity of the seat cushion is lowered by the notch.

Method used

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  • Seat cushion frame of backrest chair for motor vehicle
  • Seat cushion frame of backrest chair for motor vehicle
  • Seat cushion frame of backrest chair for motor vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0017] figure 1 Represents the frame structure of the motor vehicle seat of the present invention, in which reference numeral 1 represents the seat cushion frame of the seat cushion, and reference numeral 2 represents the backrest frame of the seat back. The supine device 3 is connected in a tiltable manner.

[0018] Seat cushion frame 1, backrest frame 2 are all formed with sheet metal, as figure 2 As shown, the lower parts of the left and right back frames 2 are overlapped inside the rear parts of the left and right cushion frames 1 , and the lower parts of the back frames 2 are rotatably connected to the rear parts of the seat frames 1 by a rotating shaft 31 .

[0019] In addition, in the illustrated structure, the reclining devices 3 and 3 provided on the left and right seat cushion frames 1 and the left and right back frames 2 are connected by the above-mentioned rotating shaft 31 , and the left and right reclining devices 3 are operated by operating the operating lever...

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PUM

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Abstract

The invention discloses a seat cushion frame of a backrest chair for a motor vehicle. The seat cushion frame has the advantages that the strength of a portion, provided with a backward-tilting device, in the seat cushion frame, can be guaranteed while cost can be reduced. An inward flange (10) is arranged at the back end of the portion, provided with the backward tilting device (3), in the seat cushion frame (1), and a reinforced flange (11) extending backwards is arranged at the front end of the inward flange (10) .

Description

technical field [0001] The present invention relates to a seat cushion frame of a reclining seat for a vehicle with a reclining device mounted on a rear end side. Background technique [0002] In conventional reclining chairs, the seat back (backrest) is connected to the seat cushion (seat part) by a reclining device so that it can tilt freely in the front and rear directions, and the seat belt is attached to the seat cushion frame (seat part frame) of the seat cushion. Fixed components. If a large load such as a rear collision of a motor vehicle acts on the seat back of the recliner chair, the load will concentrate around the hinge of the reclining device in the seat cushion frame, and the seat cushion frame in this part will be deformed or cracked. danger. [0003] For this reason, the above-mentioned deformed parts of the seat frame are welded, or the plate thickness is increased to enhance rigidity. [0004] For this reason, an increase in weight, an increase in cost,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60N2/22
Inventor 神田健司
Owner TACHI S CO LTD