JPH0458142U

JPH0458142U -

Info

Publication number: JPH0458142U
Application number: JP10114390U
Authority: JP
Priority date: 1990-09-27
Filing date: 1990-09-27
Publication date: 1992-05-19
Anticipated expiration: 2005-07-12
Also published as: JPH0729872Y2

Description

[Brief explanation of the drawing]

第１図乃至第３図は本考案に係るシート装置の
一実施例を夫々示すもので、第１図は要部を拡大
して示す概略分解斜視図、第２図はその一部を正
面から見た概略図、第３図はシートバツクの中折
れ状態を説明するためのシートの概略側面図であ
る。図中、１……車両用シート（シート装置）、２
……シートクツシヨン、３……シートバツク、３
ａ，３ｂ……上、下部シート体、４……中折れ軸
支部、６……リクライニング機構、７……ベース
、８……回動軸支部、９……アーム、１０……上
部フレーム、１１……下部フレーム、１２……リ
ンク機構、１３，１４，１５……第１、第２、第
３のリンク、２０……ガイドピン、２１……ガイ
ド溝、２２……ガイド部材。 Figures 1 to 3 show an embodiment of the seat device according to the present invention, with Figure 1 being an enlarged schematic exploded perspective view of the main parts, and Figure 2 showing a part of it from the front. FIG. 3 is a schematic side view of the seat for explaining the folded state of the seat bag. In the figure, 1...vehicle seat (seat device), 2
... Seat cushion, 3... Seat bag, 3
a, 3b...Upper, lower seat body, 4...Center folding shaft support, 6...Reclining mechanism, 7...Base, 8...Rotating shaft support, 9...Arm, 10...Upper frame, 11 ... lower frame, 12 ... link mechanism, 13, 14, 15 ... first, second, third links, 20 ... guide pin, 21 ... guide groove, 22 ... guide member.

Claims

[Scope of utility model registration request]

In a seat device comprising a seat back that is tiltably supported by a reclining mechanism consisting of a base on the rear end side of the seat cushion and an arm rotatably supported by the reclining mechanism, the seat back frame of the seat back is moved upwardly and downwardly. an upper frame and a lower frame that are configured to be divided into two parts and are relatively rotatably supported by a bent shaft support; The link mechanism includes a first link pivotally supported to be swingable about the pivot shaft support of the reclining mechanism, and an upper end of the lower frame. a second link that is pivotably supported on a center bent shaft support on the side and to which the upper frame is fixed on one end side; a third link attached along the lower frame and whose lower end side is pivotally supported by the rotating end of the first link; a guide pin is provided protruding from the lower end of the third link; a guide member having a guide groove that, when a guide pin is engaged, operates the link mechanism in conjunction with the tilting movement of the reclining mechanism to rotationally displace the upper frame relative to the lower frame; A seat device characterized by being provided around a rotating shaft support on the base side.