JPH0481555U

JPH0481555U -

Info

Publication number: JPH0481555U
Application number: JP12761390U
Authority: JP
Priority date: 1990-11-28
Filing date: 1990-11-28
Publication date: 1992-07-15

Description

[Brief explanation of the drawing]

第１図は第２図のＡ−Ａ線における断面説明図
、第２図はこの考案の実施例のシートバツクを被
覆層および座面カーブ変換手段の一部の構成を省
略して示す断面説明図、第３図は座面カーブ変換
手段のみの構成を抜出して示す第２図相当図、第
４図は第３図のＢ−Ｂ線における拡大断面説明図
、第５図は第３図のＣ−Ｃ線における拡大断面説
明図、第６図は第２図のＤ−Ｄ線における座面カ
ーブ変換手段を除いた構成の拡大断面説明図、第
７図は第６図のＥ−Ｅ線における拡大断面説明図
、第８図は従来の自動車用シートを示す断面説明
図である。１……シートバツク、２……シートボトム、４
……シートバツクサイズ変換手段、１１……上部
体、１２……下部体、４１……スライダレール、
４２……横はり部材、４３……第２のモータ、４
４……第２の螺軸、１１３……凸部、１２４……
凹部、４５１……ウオームホイール、４３２……
ウオーム。 Fig. 1 is an explanatory cross-sectional view taken along the line A-A in Fig. 2, and Fig. 2 is an explanatory cross-sectional view showing a seat back according to an embodiment of this invention, with the covering layer and part of the structure of the seat surface curve converting means omitted. , FIG. 3 is a diagram corresponding to FIG. 2 that shows only the structure of the seat curve converting means, FIG. 4 is an enlarged cross-sectional explanatory diagram taken along line B-B in FIG. 3, and FIG. 5 is a diagram corresponding to FIG. 6 is an enlarged sectional explanatory view of the configuration taken along line D-D in FIG. 2 excluding the seat curve converting means. FIG. 7 is an explanatory enlarged cross-sectional view taken along line EE in FIG. 6. FIG. 8 is an enlarged cross-sectional explanatory view showing a conventional automobile seat. 1...Seat back, 2...Seat bottom, 4
... Seat bag size conversion means, 11 ... Upper body, 12 ... Lower body, 41 ... Slider rail,
42... Horizontal beam member, 43... Second motor, 4
4...Second screw shaft, 113...Protrusion, 124...
Recessed portion, 451... Worm wheel, 432...
Warm.

Claims

[Claims for Utility Model Registration] 1. In an automobile seat consisting of a seat back and a seat bottom, the seat back has a seat back size converting means for converting its vertical size, and this seat back size converting means , consisting of an upper body and a lower body which are divided into upper and lower parts, a sliding means interposed between the two for sliding the upper body in the vertical direction with respect to the lower body, and a driving means for operating the sliding means. An automobile seat characterized by: 2. On opposing surfaces of the upper body and the lower body, a recess opening in the middle part in the seat width direction on one side is formed in the sliding direction of the upper body, and a convex part fitted into the recess is formed on the other side, and the convex part 2. The automobile seat according to claim 1, wherein the amount of insertion into the recess is set to be larger than the maximum sliding amount of the upper body. 3. Claim 1 or Claim 2, characterized in that the driving means comprises a rotary motor and a driving force converting means for converting the rotational force of the rotary motor into a vertical force for operating the sliding means. car seats.