JPH043055U - - Google Patents
Info
- Publication number
- JPH043055U JPH043055U JP4439690U JP4439690U JPH043055U JP H043055 U JPH043055 U JP H043055U JP 4439690 U JP4439690 U JP 4439690U JP 4439690 U JP4439690 U JP 4439690U JP H043055 U JPH043055 U JP H043055U
- Authority
- JP
- Japan
- Prior art keywords
- rotation
- support device
- lumbar support
- lumbar
- fixed
- 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
- 210000000078 claw Anatomy 0.000 description 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
第１図乃至第３図は本考案に係るランバーサポ
ート装置の一実施例の概略を夫々示すもので、第
１図は斜視図、第２図はデイスクスプリングの斜
視図、第３図は側面説明図、第４図は従来のラン
バーサポート装置の一部斜視図である。
図中、１１……ランバーサポート装置、１２…
…サイドフレーム、１３……ランバープレート、
１４……回動軸、１６……アーム、１８……操作
ノブ、２１……カム板、２３……操作軸、２５…
…ロツク穴、２７……デイスクスプリング、２９
……ロツク爪。
Figures 1 to 3 schematically show an embodiment of the lumbar support device according to the present invention, with Figure 1 being a perspective view, Figure 2 being a perspective view of a disc spring, and Figure 3 being a side view. FIG. 4 is a partial perspective view of a conventional lumbar support device. In the figure, 11... lumbar support device, 12...
...Side frame, 13...Lumber plate,
14...Rotation axis, 16...Arm, 18...Operation knob, 21...Cam plate, 23...Operation shaft, 25...
...Lock hole, 27...Disc spring, 29
...Lock claw.
Claims (1)
設されたクランク状の回動軸と、該回動軸に取付
けられたランバープレートとを有し、前記サイド
フレームに枢支されたアームの回動に応じて前記
回動軸が回動され、前記アームはカム板の回動に
より前後位置調整され、前後カム板の偏心位置に
操作軸が固着され、該操作軸はサイドフレームを
貫通してシートバツクの側部より外方に突出し、
該突出端に操作ノブが固着され、前記操作ノブの
回動により前記ランバープレートを前後移動調整
し得るようになされたランバーサポート装置にお
いて、前記カム板の前記操作軸を中心とする円周
上に複数のロツク穴が形成され、前記カム板に当
接する状態で前記サイドフレームにデイスクスプ
リングが固着され、該デイスクスプリングには前
記カム板の複数のロツク穴と係合し、前記カム板
の一方向への回動を規制するロツク爪が突出形成
されていることを特徴とするランバーサポート装
置。 It has a crank-shaped rotation shaft disposed between the side frames of the seatback frame, and a lumbar plate attached to the rotation shaft, and the seat back frame is configured to rotate according to the rotation of an arm pivotally supported by the side frame. The rotation shaft is rotated, the arm is adjusted in its longitudinal position by rotation of the cam plate, and an operating shaft is fixed to an eccentric position of the front and rear cam plates, and the operating shaft passes through the side frame and is attached to the side of the seat back. protrude more outward,
In the lumbar support device, an operating knob is fixed to the protruding end, and the lumbar plate can be adjusted to move back and forth by rotation of the operating knob, and the lumbar support device includes: A plurality of lock holes are formed, and a disk spring is fixed to the side frame in contact with the cam plate. A lumbar support device characterized by a protruding locking pawl that restricts rotation of the lumbar support device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4439690U JPH043055U (en) | 1990-04-25 | 1990-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4439690U JPH043055U (en) | 1990-04-25 | 1990-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH043055U true JPH043055U (en) | 1992-01-13 |
Family
ID=31557660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4439690U Pending JPH043055U (en) | 1990-04-25 | 1990-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH043055U (en) |
-
1990
- 1990-04-25 JP JP4439690U patent/JPH043055U/ja active Pending