JPH049332U

JPH049332U -

Info

Publication number: JPH049332U
Application number: JP1990050886U
Authority: JP
Priority date: 1990-05-15
Filing date: 1990-05-15
Publication date: 1992-01-28

Description

[Brief explanation of drawings]

第１図はこの考案の実施例を示す斜視図、第２
図は第１図の実施例の拡大縦断面説明図、第３図
は第２図に１点鎖線で示す重ね合わされた状態の
袋体の拡大断面説明図、第４図は袋体が縮小状態
のシートを示す斜視図、第５図は第４図の拡大縦
断面説明図、第６図は従来の自動車用シートを示
す縦断面説明図である。１……シートボトム、２……シートバツク、３
……袋体、４……管路、５……エアーコンプレツ
サー、６……バキユームポンプ、１１……シート
ボトム前端部、３４……ばね鋼帯、Ｂ……車体、
Ｈ……凹部、Ｒ……リヤシート。 Figure 1 is a perspective view showing an embodiment of this invention;
The figure is an enlarged longitudinal sectional explanatory view of the embodiment shown in Fig. 1, FIG. 3 is an enlarged sectional explanatory view of the bag body in the overlapped state shown by the dashed line in FIG. FIG. 5 is an enlarged vertical cross-sectional view of FIG. 4, and FIG. 6 is a vertical cross-sectional view of a conventional automobile seat. 1... Seat bottom, 2... Seat back, 3
... Bag body, 4 ... Pipe line, 5 ... Air compressor, 6 ... Vacuum pump, 11 ... Seat bottom front end, 34 ... Spring steel band, B ... Vehicle body,
H...Recess, R...Rear seat.

Claims

[Claims for Utility Model Registration] 1. An automobile seat in which a recessed portion for resting the feet of a seated person is formed on the front side of the seat bottom, comprising: a bag body connected to the seat bottom along its front end; and an air source connected to the bag body so as to be able to supply air to the bag body, the bag body being formed into a bag shape by a flexible membrane member, and in the expanded state, the concave portion is caused by the bag body. 1. An automobile seat, characterized in that the seat is foldably folded over the front end of the seat bottom in the contracted state. 2. The automobile seat according to claim 1, wherein a negative pressure source is connected to the bag so that air inside the bag can be sucked out. 3. Claim 1 or claim 3, characterized in that the membrane member constituting the bag body is integrally attached with a biasing means for winding and biasing the bag body in a state where the opposing inner surfaces of the bag body are overlapped. The automobile seat according to item 2.