JP4445244B2 - 背凭れ傾動装置 - Google Patents
背凭れ傾動装置 Download PDFInfo
- Publication number
- JP4445244B2 JP4445244B2 JP2003369600A JP2003369600A JP4445244B2 JP 4445244 B2 JP4445244 B2 JP 4445244B2 JP 2003369600 A JP2003369600 A JP 2003369600A JP 2003369600 A JP2003369600 A JP 2003369600A JP 4445244 B2 JP4445244 B2 JP 4445244B2
- Authority
- JP
- Japan
- Prior art keywords
- backrest
- seat
- seated person
- spiral spring
- rotation
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/2227—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable and provided with braking systems
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
- A47C7/444—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs of torsion type
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs Characterized By Structure (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Description
2 背凭れ
3 座
5 背凭れ傾動装置
6 座側アーム
7 背側アーム
13 反力装置
14 渦巻ばね
C 背凭れの回転中心
P1 坐骨結節点
P2 転子点
S1 座面(座の表面)
S2 背凭れ面(背凭れの表面)
Claims (4)
- 背凭れを座に対して傾動可能に接続する背凭れ傾動装置において、前記背凭れの回転中心を、前記座の表面よりも上方もしくは側面視で前記座の表面と一致する位置、且つ初期位置にある前記背凭れの表面の縦中央において最も前方に位置する点よりも前方であって、尚且つ前記座に座る着座者の転子点よりも、前記座の表面に近い側で且つ前記背凭れの表面に近い側に、設定したことを特徴とする背凭れ傾動装置。
- 前記座の両側から上方に延びる2つの座側アームと、前記背凭れの両側から前方に延びる2つの背側アームとを、それぞれ前記背凭れの回転中心を成す回り対偶で接続したことを特徴とする請求項1記載の背凭れ傾動装置。
- 前記座側アームと前記背側アームとの接続部分に、傾動する前記背凭れに対し該背凭れを初期位置に復帰させる方向への力を作用させる反力装置を組み込んだことを特徴とする請求項2記載の背凭れ傾動装置。
- 前記反力装置は、一端が前記座側アームに取り付けられると共に他端が前記背側アームに取り付けられる渦巻ばねを有することを特徴とする請求項3記載の背凭れ傾動装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003369600A JP4445244B2 (ja) | 2003-10-29 | 2003-10-29 | 背凭れ傾動装置 |
CN2004800292593A CN1863471B (zh) | 2003-10-29 | 2004-10-29 | 靠背倾动装置 |
PCT/JP2004/016137 WO2005039357A1 (ja) | 2003-10-29 | 2004-10-29 | 背凭れ傾動装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003369600A JP4445244B2 (ja) | 2003-10-29 | 2003-10-29 | 背凭れ傾動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005131047A JP2005131047A (ja) | 2005-05-26 |
JP4445244B2 true JP4445244B2 (ja) | 2010-04-07 |
Family
ID=34510402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003369600A Expired - Fee Related JP4445244B2 (ja) | 2003-10-29 | 2003-10-29 | 背凭れ傾動装置 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4445244B2 (ja) |
CN (1) | CN1863471B (ja) |
WO (1) | WO2005039357A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4831713B1 (ja) * | 2011-04-25 | 2011-12-07 | 直伸 山下 | 角度調整金具 |
USD697726S1 (en) | 2012-09-20 | 2014-01-21 | Steelcase Inc. | Chair |
US9458905B2 (en) * | 2012-09-20 | 2016-10-04 | Steelcase Inc. | Spring assembly and method |
US11304528B2 (en) | 2012-09-20 | 2022-04-19 | Steelcase Inc. | Chair assembly with upholstery covering |
JP6251226B2 (ja) * | 2015-11-10 | 2017-12-20 | 株式会社ピーエーエス | リクライニング椅子 |
CN106942934A (zh) * | 2017-04-17 | 2017-07-14 | 中山火炬开发区修龙精密机器制造厂 | 办公健身椅 |
JP7492855B2 (ja) * | 2020-05-11 | 2024-05-30 | 株式会社フジ医療器 | 椅子式マッサージ機 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5971708A (ja) * | 1982-10-15 | 1984-04-23 | 上野 一久 | リクライニングシ−ト |
JP3014516B2 (ja) * | 1990-10-15 | 2000-02-28 | 天龍工業株式会社 | 乗物用座席 |
CA2116079C (en) * | 1993-02-22 | 2005-12-27 | Benjamin Cowan | Chair |
CN2258017Y (zh) * | 1996-02-05 | 1997-07-23 | 罗文聪 | 一种改进的坐卧椅 |
CN2489653Y (zh) * | 2001-08-01 | 2002-05-08 | 陈展俊 | 具有椅背倾斜角度可调整功能的折叠椅 |
CN2534889Y (zh) * | 2002-03-28 | 2003-02-12 | 门华 | 办公休闲两用椅 |
-
2003
- 2003-10-29 JP JP2003369600A patent/JP4445244B2/ja not_active Expired - Fee Related
-
2004
- 2004-10-29 WO PCT/JP2004/016137 patent/WO2005039357A1/ja active Application Filing
- 2004-10-29 CN CN2004800292593A patent/CN1863471B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2005039357A9 (ja) | 2006-03-16 |
JP2005131047A (ja) | 2005-05-26 |
CN1863471A (zh) | 2006-11-15 |
WO2005039357A1 (ja) | 2005-05-06 |
CN1863471B (zh) | 2010-06-02 |
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