JPS5915355U

JPS5915355U - Lumbar support device

Info

Publication number: JPS5915355U
Application number: JP11134182U
Authority: JP
Inventors: 山野　栄一
Original assignee: 池田物産株式会社
Priority date: 1982-07-21
Filing date: 1982-07-21
Publication date: 1984-01-30
Also published as: JPS627161Y2

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ぼ本考案に好適な実施例を示す斜視図、第２図は
第１図ｘ−ｘ’線断面図、第３図ａないしｄは作動状態
を示す側断面図である。１・・・・・・フレーム、２・・・・・・第１ねじ棒、
３・・・・・・第２ねじ棒、４・・・・・・第１送り駒
、５・・・・・・第２送り駒、６・・・・・・サポート
部材、７・・・・・・回転操作機構。FIG. 1 is a perspective view showing a preferred embodiment of the present invention, FIG. 2 is a sectional view taken along the line xx' in FIG. 1, and FIGS. 3 a to 3 d are side sectional views showing the operating state. 1... Frame, 2... First threaded rod,
3...Second threaded rod, 4...First feed piece, 5...Second feed piece, 6...Support member, 7... ...Rotation operation mechanism.

Claims

【実用新案登録請求の範囲】１　バンクシートのフレームの上下方向に第１・第２ね
じ棒が回転可能に取付けられ、第１ねじ棒のねじ部に第１送り駒が螺合されるとともに
、第２ねじ棒のねじ部に第２送り駒が螺合され、第１・第２送り駒が可撓性を有すぬサポート部材の上下
にそれぞれ固着され、第１・第２ねじ棒を選択的に又Ｃ′ま同時に回転される
回転操作機構が設けられたことを特徴とするランバーサ
ポート装置。２　前記回転操作機構は、（イ）第１・第２ねじ棒の一端に固着された第１・第７
　２被駆動部材と、（ロ）バックシートのフレームの左右方向に回転可能に
取付けられた第１・第２回転軸と、（ハ）第１回転軸に
固着され第１被駆動部材に係合し第１ねじ棒を回転させ
る第１駆動部材と、に）第２回転軸に固着され第２被駆
動部材に係合し第２ねじ棒を回転させる第２駆動部材と
、から構成していることを特徴とする実用新案登録請求
の範囲第１項に記載のランバーサポート装置。３　前記第１・第２ねじ部の各ねじ部は、互いに逆方向
となるように刻設されていることを特徴とする実用新案
登録請求の範囲第１項又は第２項に記載のランバーサポ
ート装置。４　前記第１・第２回転軸の一方がパイプ状に形成され
、他方がパイプ状の回転軸に挿入され、両回転軸が同軸
的に配設されていることを特徴とする実用新案登録請求
の範囲第２項又は第３項に記載のランバーサポート装置
。[Claims for Utility Model Registration] 1. First and second threaded rods are rotatably installed in the vertical direction of the bank sheet frame, and a first feed piece is screwed into the threaded portion of the first threaded rod, A second feed piece is screwed into the threaded portion of the second threaded rod, the first and second feed pieces are respectively fixed to the top and bottom of the non-flexible support member, and the first and second threaded rods are selected. A lumbar support device characterized by being provided with a rotation operation mechanism that rotates C and C' at the same time. 2. The rotation operation mechanism includes: (a) first and seventh screw rods fixed to one ends of the first and second threaded rods;
(b) first and second rotating shafts rotatably attached to the frame of the backseat in the left-right direction; and (c) fixed to the first rotating shaft and engaged with the first driven member. a) a first driving member that rotates the first threaded rod; and a) a second driving member that is fixed to the second rotating shaft and engages with the second driven member and rotates the second threaded rod. A lumbar support device according to claim 1, characterized in that the lumbar support device is characterized in that: 3. The lumbar support according to claim 1 or 2, wherein each threaded portion of the first and second threaded portions is carved in opposite directions to each other. Device. 4. A request for registration of a utility model characterized in that one of the first and second rotating shafts is formed into a pipe shape, the other is inserted into the pipe-shaped rotating shaft, and both rotating shafts are arranged coaxially. The lumbar support device according to item 2 or 3.