JPS5858751U

JPS5858751U - vehicle seat

Info

Publication number: JPS5858751U
Application number: JP15518481U
Authority: JP
Inventors: 三田　敏郎
Original assignee: トヨタ自動車株式会社
Priority date: 1981-10-19
Filing date: 1981-10-19
Publication date: 1983-04-20

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、本考案に係る車両用シートの第１実施例の全
体構成を示す斜視図、第２図は、前記第１実施例におけ
るシートバックの断面形状を示す、第１図の■−■線に
沿う横断面図、第３図は、前記第１実施例における、バ
ックパネルの突出幅と車両乗員の経穴の関係を示す線図
、第４図は、本考案に係する車両用シ」トの第２★施例
におけるシートバックの断面形状を示す横断面図、第５
図は、同じく本考案の第３実施例にセける、シートバッ
クの断面形状を示す横断面図、第６図は、同じく、本考
案の第４実施例におけるシートバックの断面形状を示す
横断面図、第７図は、同じく、本考案−の第５実施例に
おけるシートバックの表面形状を示す斜視図である。 ′１２・・・シートバック、１４・・・ウレタン、１６
・・・バックパネル、１８・・・表皮、３０・・・フレ
ーム、３２・・・Ｓばね、３４・・・クッション保持部
材、３６・・・空洞、３８・・・複合つ５レタン、°４
０・・・複合表皮。FIG. 1 is a perspective view showing the overall configuration of a first embodiment of a vehicle seat according to the present invention, and FIG. 2 is a cross-sectional view of the seat back in the first embodiment. ■A cross-sectional view along the line, FIG. 3 is a line diagram showing the relationship between the protruding width of the back panel and the acupuncture points of the vehicle occupant in the first embodiment, and FIG. 4 is a cross-sectional view taken along the line. A cross-sectional view showing the cross-sectional shape of the seat back in the second example of
The figure is a cross-sectional view showing the cross-sectional shape of the seat back according to the third embodiment of the present invention, and FIG. 6 is a cross-sectional view showing the cross-sectional shape of the seat back according to the fourth embodiment of the present invention. Similarly, FIG. 7 is a perspective view showing the surface shape of the seat back in the fifth embodiment of the present invention. '12... Seat back, 14... Urethane, 16
...Back panel, 18...Skin, 30...Frame, 32...S spring, 34...Cushion holding member, 36...Cavity, 38...Composite 5-urethane, °4
0...Composite epidermis.

Claims

[Scope of Claim for Utility Model Registration] (1) The amount of deflection of the cushioning properties of the seat back where the pillar touches the vehicle occupant is greater than the amount of deflection of other parts;
A vehicle seat characterized by reducing body pressure applied to a pillar at the center of the back of a vehicle occupant. −. (2) The seat back has an integrally molded cushioning material.1. By making the center of the cushion holding member that supports the cushion material convex rearward, increasing the thickness of the cushion material in that part, and increasing the distance to the cushion holding member. Claim 1 of the Utility Model Registration states that the amount of deflection of the cushioning properties of the seat back in the part where the pillar hits the vehicle occupant is greater than the amount of deflection in other parts! vehicle seats. . (3) The seat back has an integrally molded cushioning material, and the thickness of the cushioning material at the rear center of the seatback is reduced and a cavity is provided between it and the cushion holding member. The vehicle seat according to claim 1 of the utility model registration claim, wherein the amount of deflection of the cushioning property of the portion of the seat back against which the pillar hits the vehicle occupant is greater than the amount of deflection of the other portions. . (4J The cushioning material of the seat back is an integrally molded composite cushioning material, and the hardness of the first cushioning material placed in the center of the seatback is equal to the hardness of the second cushioning material placed in other parts. By making the seat back smaller, the amount of deflection of the cushioning property of the portion of the seat back where the pillar touches the vehicle occupant is greater than the amount of deflection of other portions.Claim 1 of the Utility Model Registration The vehicle seat according to paragraph 5. (5) The skin of the seat back is a composite skin, and the flexibility of the first skin arranged in the center of the seat back is combined with the flexibility of the second skin arranged in other parts. Registration of a utility model in which the amount of cushioning deflection in the part of the seat back where the pillar touches the vehicle occupant is greater than the amount of deflection in other parts by making the flexibility greater than that of the outer skin. A vehicle seat according to claim 1.
.