JPS6211452U - - Google Patents

Info

Publication number
JPS6211452U
JPS6211452U JP1985102685U JP10268585U JPS6211452U JP S6211452 U JPS6211452 U JP S6211452U JP 1985102685 U JP1985102685 U JP 1985102685U JP 10268585 U JP10268585 U JP 10268585U JP S6211452 U JPS6211452 U JP S6211452U
Authority
JP
Japan
Prior art keywords
support arm
coil spring
vertical rod
operating shaft
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.)
Granted
Application number
JP1985102685U
Other languages
Japanese (ja)
Other versions
JPH0440538Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1985102685U priority Critical patent/JPH0440538Y2/ja
Publication of JPS6211452U publication Critical patent/JPS6211452U/ja
Application granted granted Critical
Publication of JPH0440538Y2 publication Critical patent/JPH0440538Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)

Description

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

第１図は本考案に係るランバーサポート機構を
備えたバツクフレームの斜視図、第２図は同ラン
バサポート機構の平面図、第３図は同一部拡大斜
視図、第４図は同ランバーサポート機構の操作軸
を抽出して示す展開斜視図、第５図は同操作軸と
コイルスプリングとの関係を示す平面図、第６図
は同ランバーサポート機構の動作説明図、第７，
８図は別の実施例に係るランバーサポート機構の
説明図、第９図は更に別の実施例に係るランバー
サポート機構の説明図である。 １：シートフレーム、１ａ：縦杆、４：支持ア
ーム、５：腰あて板、７：コイルスプリング、８
（８ａ，８ｂ）：操作軸、１０：ガイドピン。 Fig. 1 is a perspective view of a back frame equipped with a lumbar support mechanism according to the present invention, Fig. 2 is a plan view of the same lumbar support mechanism, Fig. 3 is a partially enlarged perspective view of the same, and Fig. 4 is the same lumbar support mechanism. FIG. 5 is a plan view showing the relationship between the operating shaft and the coil spring, FIG. 6 is an explanatory diagram of the operation of the lumbar support mechanism, and FIG.
FIG. 8 is an explanatory diagram of a lumbar support mechanism according to another embodiment, and FIG. 9 is an explanatory diagram of a lumbar support mechanism according to still another embodiment. 1: Seat frame, 1a: Vertical rod, 4: Support arm, 5: Waist plate, 7: Coil spring, 8
(8a, 8b): Operation shaft, 10: Guide pin.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シートフレームの縦杆に一端側を片持ち枢着し
て支持アームをフレーム内に突出配置し、その自
由端側に腰あて板を軸承枢着すると共に、支持ア
ームの中間辺にコイルスプリングの一端側を連結
し、その他端側にコイルスプリングのピツチ間隔
内に係合するガイドピンを持つた操作軸を嵌挿し
、この操作軸をシートフレームの縦杆に回転操作
可能に装備してなることを特徴とするシートにお
けるランバーサポート機構。 One end of the support arm is cantilever-mounted to the vertical rod of the seat frame, and a support arm is arranged to protrude into the frame.A lumbar support plate is pivotally mounted to the free end of the support arm, and one end of a coil spring is mounted on the middle side of the support arm. The two sides are connected, and the other end is fitted with an operating shaft having a guide pin that engages within the pitch interval of the coil spring, and this operating shaft is rotatably mounted on the vertical rod of the seat frame. Features a lumbar support mechanism in the seat.
JP1985102685U 1985-07-05 1985-07-05 Expired JPH0440538Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985102685U JPH0440538Y2 (en) 1985-07-05 1985-07-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985102685U JPH0440538Y2 (en) 1985-07-05 1985-07-05

Publications (2)

Publication Number Publication Date
JPS6211452U true JPS6211452U (en) 1987-01-23
JPH0440538Y2 JPH0440538Y2 (en) 1992-09-22

Family

ID=30974552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985102685U Expired JPH0440538Y2 (en) 1985-07-05 1985-07-05

Country Status (1)

Country Link
JP (1) JPH0440538Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0319335U (en) * 1989-07-05 1991-02-26
WO2011117937A1 (en) * 2010-03-24 2011-09-29 タカノ株式会社 Lumbar support device for chair
JP5564102B2 (en) * 2010-03-24 2014-07-30 タカノ株式会社 Chair lumbar support equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5627805U (en) * 1979-08-08 1981-03-16
JPS5680744U (en) * 1979-11-28 1981-06-30

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5627805U (en) * 1979-08-08 1981-03-16
JPS5680744U (en) * 1979-11-28 1981-06-30

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0319335U (en) * 1989-07-05 1991-02-26
WO2011117937A1 (en) * 2010-03-24 2011-09-29 タカノ株式会社 Lumbar support device for chair
CN102740736A (en) * 2010-03-24 2012-10-17 鹰野株式会社 Lumbar support device for chair
JP5564102B2 (en) * 2010-03-24 2014-07-30 タカノ株式会社 Chair lumbar support equipment

Also Published As

Publication number Publication date
JPH0440538Y2 (en) 1992-09-22

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