JPS58178955U - Seat lumbar support adjustment device - Google Patents
Seat lumbar support adjustment deviceInfo
- Publication number
- JPS58178955U JPS58178955U JP7715882U JP7715882U JPS58178955U JP S58178955 U JPS58178955 U JP S58178955U JP 7715882 U JP7715882 U JP 7715882U JP 7715882 U JP7715882 U JP 7715882U JP S58178955 U JPS58178955 U JP S58178955U
- Authority
- JP
- Japan
- Prior art keywords
- support shaft
- fixed
- adjustment device
- coil spring
- lumbar support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案による腰椎支持装置を装着したシート
バックの斜視図、第２図は第１図の要部を示す分解斜視
図、第３図は第２図の組立状態を一°示す断面図、第４
図は二の考案による要部を示す説明図、第５図はこの考
案によるロック部の断面説明図、第６図はこの考案によ
る他の実施例を示す腰椎支持部の斜視図である。
１・・・シートバックフレーム、２．３・・・セットブ
ラケット、６・・・支軸、７・・・アーム、８・・・引
張弾性体、９・・・支持板、１０・・・捩りコイルばね
、１０ａへ・・起し部、１１・・・ブツシュ、ｌｌａ・
・・係合部、１２・・・解除ブツシュ、１２ａ・・・切
欠部、１３・・・解除レバー、１４・・・操作レバー。Fig. 1 is a perspective view of a seat back equipped with a lumbar support device according to this invention, Fig. 2 is an exploded perspective view showing the main parts of Fig. 1, and Fig. 3 is a cross section showing the assembled state of Fig. 2. Figure, 4th
FIG. 5 is an explanatory view showing a main part according to the second invention, FIG. 5 is a cross-sectional explanatory view of a locking part according to this invention, and FIG. 6 is a perspective view of a lumbar support part showing another embodiment according to this invention. DESCRIPTION OF SYMBOLS 1... Seat back frame, 2.3... Set bracket, 6... Support shaft, 7... Arm, 8... Tensile elastic body, 9... Support plate, 10... Torsion Coil spring, to 10a... Raised portion, 11... Bush, lla...
...Engaging portion, 12...Release button, 12a...Notch portion, 13...Release lever, 14...Operation lever.
Claims (1)
ットを介して支軸を張架し、上記支軸の一端＆ビ支軸の
径より小さい（至）を有するとともに両端末部に起し部
を形成した捩りコイルばねを巻きつけ、上記捩りコイル
ばねの一端末起し部をブツシュの係合溝に係合さ妊てセ
ットブラケットに固着するとともに、他端末起し部を解
除ブツシュの１．切欠部を介してシートクッションフレ
ームに回転自在に支持し、上記解除ブツシュには解除レ
バーを一体に固着し、かつ、上記支軸の一端に解除し・
バーの外側に位置して操作レバーを固着して構成したこ
とを特徴とするシートの腰椎支持調整装置。A support shaft is stretched between both sides of the seat cushion frame via a set bracket, and one end of the support shaft has a diameter smaller than the diameter of the support shaft and a raised portion is formed at both ends. A coil spring is wound around the torsion coil spring, and the raised end of the torsion coil spring is engaged with the engagement groove of the bushing to be fixed to the set bracket, and the raised end of the other end is released from the raised end of the bushing. It is rotatably supported on the seat cushion frame via a notch, a release lever is integrally fixed to the release button, and a release lever is fixed to one end of the support shaft.
A lumbar support adjustment device for a seat, characterized in that the control lever is fixed to the outside of the bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7715882U JPS58178955U (en) | 1982-05-26 | 1982-05-26 | Seat lumbar support adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7715882U JPS58178955U (en) | 1982-05-26 | 1982-05-26 | Seat lumbar support adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58178955U true JPS58178955U (en) | 1983-11-30 |
Family
ID=30086432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7715882U Pending JPS58178955U (en) | 1982-05-26 | 1982-05-26 | Seat lumbar support adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58178955U (en) |
-
1982
- 1982-05-26 JP JP7715882U patent/JPS58178955U/en active Pending
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