JPH0219335U

JPH0219335U -

Info

Publication number: JPH0219335U
Application number: JP9753388U
Authority: JP
Priority date: 1988-07-23
Filing date: 1988-07-23
Publication date: 1990-02-08

Description

[Brief explanation of drawings]

第１図は本考案に係るシートの一例を示し、内
部構造を明らかにするため、輪郭を鎖線で表わし
、しかもガススプリング等の一部の要素を省略し
て示した側面図、第２図はシートの各フレームと
これに関連した要素の分解斜視図、第３図は作動
手段の要部の拡大斜視図、第４図はその垂直部分
断面図、第５図はガススプリングとこれに関連し
た部分だけを示した部分断面図、第６図はシート
の作動状態を説明する説明図である。１……シートクツシヨン、２……シートバツク
、８……モータ、１３……ベースフレーム、１５
……アーム、１７……揺動フレーム、１８……リ
ンクプレート、５６……ウオーム、５７……シヤ
フト、５９……ウオームホイール。 Fig. 1 shows an example of the seat according to the present invention, and in order to clarify the internal structure, the outline is shown with chain lines, and some elements such as the gas spring are omitted. Fig. 2 is a side view. FIG. 3 is an enlarged perspective view of the main parts of the actuating means, FIG. 4 is a vertical partial sectional view thereof, and FIG. 5 is a gas spring and related elements. FIG. 6, which is a partial sectional view showing only a portion, is an explanatory diagram illustrating the operating state of the seat. 1... Seat cushion, 2... Seat back, 8... Motor, 13... Base frame, 15
... Arm, 17 ... Swing frame, 18 ... Link plate, 56 ... Worm, 57 ... Shaft, 59 ... Worm wheel.

Claims

[Scope of Claim for Utility Model Registration] A seat having a seat cushion that supports the buttocks of a seated person and a seat back that supports the back of the seated person, such that the rear part of the seat cushion moves up and down centering on the front part of the seat cushion, An actuating means for actuating the seat cushion is provided, and the actuating means includes a motor fixed to a base frame located below the seat cushion, a worm connected to the motor, and a worm wheel meshing with the worm. , a shaft fixedly supporting the wheel and rotatably supported by the base frame; an arm fixed to the shaft; a front end pivotally connected to the base frame and a rear part rotatable in the vertical direction; comprising a swinging frame and a link plate pivotally connected to the swinging frame and the arm, respectively;
A seat characterized in that a seat cushion is supported by the swing frame.