JP4828530B2 - オフィス用椅子 - Google Patents
オフィス用椅子Info
- Publication number
- JP4828530B2 JP4828530B2 JP2007520524A JP2007520524A JP4828530B2 JP 4828530 B2 JP4828530 B2 JP 4828530B2 JP 2007520524 A JP2007520524 A JP 2007520524A JP 2007520524 A JP2007520524 A JP 2007520524A JP 4828530 B2 JP4828530 B2 JP 4828530B2
- Authority
- JP
- Japan
- Prior art keywords
- backrest
- seat
- tilt
- chair
- tilting
- 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
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- 239000000835 fiber Substances 0.000 description 2
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- 238000009423 ventilation Methods 0.000 description 2
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- 239000004677 Nylon Substances 0.000 description 1
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Classifications
-
- 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
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
- A47C1/03272—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
- A47C1/03272—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs
- A47C1/03274—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs of torsion type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/003—Magnets
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/02—Upholstery attaching means
- A47C31/023—Upholstery attaching means connecting upholstery to frames, e.g. by hooks, clips, snap fasteners, clamping means or the like
-
- 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
- A47C7/02—Seat parts
- A47C7/28—Seat parts with tensioned springs, e.g. of flat type
- A47C7/282—Seat parts with tensioned springs, e.g. of flat type with mesh-like supports, e.g. elastomeric membranes
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs Characterized By Structure (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Description
本発明によると、基脚、前記基脚によって支持される座部、前記座部と前記基脚の間に介在する傾倒機構、及び前記座部及び前記傾倒機構の少なくとも1つに連結された背凭れを含む椅子において、前記傾倒機構が傾倒バネを有し、前記傾倒機構に対して前記座部を移動させると前記傾倒バネが作動されて前記座部及び前記背凭れの少なくとも一方が傾倒するように前記傾倒機構が前記座部と複数のリンクを介して回転自在に連結され、前記複数のリンクが前記座部が前記傾倒機構を中心に回転するように前記座部の両側を前記傾倒機構に回転自在に連結する第1及び第2平行アーム対より成り、前記傾倒機構に対する前記座部の移動に応答して前記傾倒バネが作動されて前記座部及び前記背凭れの少なくとも
一方が傾倒するように前記第1及び第2平行アーム対の少なくとも1対が前記傾倒バネと連結され、傾倒を可能にする第1位置と傾倒を阻止する第2位置との間を移動自在な傾倒制限手段を含み、前記傾倒制限手段が前記第1及び第2位置の少なくとも一方への前記傾倒制限手段の移動を容易にする磁性部分を有することを特徴とする椅子が提供される。
数の低い傾倒バネ58の利用を可能にする。傾倒バネ58としては、円筒形内側弾性バネ素子62に接着された非可撓性外側円筒面60から成る公知のねじりバネを使用することができる。内側弾性バネ素子62に、その中心を貫通する好ましくは6角形断面を有する駆動シャフト46と一致する6角形の孔を設ける。この孔64に6角形駆動シャフト46を挿通して、駆動シャフト46の回転に伴って弾性バネ素子62の内側部分が回転するようにする。弾性バネ素子62の外側部分は非可撓性外面60への取付けを介して固定されているから、内側部分の回転に伴って、弾性バネ素子62にねじり力が発生し、これが座部12及び背凭れ14の傾倒に対する抵抗を生む。
42を含む。傾倒ロッキング集合体104は、傾倒レバー41を傾倒ハウジング16から外方へ引っ張ると傾倒が可能になる解除位置から傾倒レバー41を傾倒ハウジング16内へ押し込むと傾倒が阻止されるロック位置への移動を容易にする磁気部材100(及び戻り止め/ストップ108)と協働する。傾倒レバー41を内方へ押すと、断面が6角形の従動シャフト48の回転を阻止する傾倒制限部材105を含む傾倒ロッキング集合体104が作動される。傾倒制限部材105は内側ブッシング106及び外側ブッシング107により傾倒制御ハウジング16内の磁気部材100及び戻り止め108の近傍に固定される。戻り止め108は詳しくは後述するように上記磁気部材100と協働する。磁気部材100は傾倒レバー41のロッド端42の先端またはその近傍に配置される。戻り止め108は互いに間隔を保つ対向する側壁109,110を有し、磁気部材100はその一部112が対向側壁109,110間に介在する。側壁109,110は磁性材から成り、磁気部材100が側壁109,110のいずれかに接近すると、その側壁に引き寄せられて接触する。傾倒レバー41を内方へ押し込んで断面6角形の従動シャフト48をロックするとき、磁気部材100が戻り止め108の最も内側の側壁110に接近し、磁気部材100が側壁109と接触する。この状態において、傾倒レバー41は完全ロック位置まで移動する。戻り止め108に対する磁気部材100の引力は傾倒レバー41を限界一杯まで内方へ引っ張って、内方への限界一杯の移動を確実にするだけでなく、磁気部材100が側壁109と接触すると、可聴指示、即ち、「クリック」を発生させる。この「クリック」は傾倒レバー41がロック位置ぎりぎりまで移動したことをユーザーに音で知らせるものである。逆に傾倒レバー41を外方へ引っ張ると、磁気部材100が戻り止め108の反対側の側壁110に接近し、磁気部材100が側壁110と接触し、傾倒レバー41は限界一杯まで外方へ解除位置まで確実に移動する。磁気部材100と側壁110が接触すると、上述した場合と同様に可聴「クリック」が発生し、傾倒レバー41が傾倒を可能にする解除位置ぎりぎりまで移動したことを知らせる。
Claims (11)
- 基脚、前記基脚によって支持される座部、前記座部と前記基脚の間に介在する傾倒機構、及び前記座部及び前記傾倒機構の少なくとも1つに連結された背凭れを含む椅子において、
前記傾倒機構が傾倒バネを有し、前記傾倒機構に対して前記座部を移動させると前記傾倒バネが作動されて前記座部及び前記背凭れの少なくとも一方が傾倒するように前記傾倒機構が前記座部と複数のリンクを介して回転自在に連結され、
前記複数のリンクが前記座部が前記傾倒機構を中心に回転するように前記座部の両側を前記傾倒機構に回転自在に連結する第1及び第2平行アーム対より成り、前記傾倒機構に対する前記座部の移動に応答して前記傾倒バネが作動されて前記座部及び前記背凭れの少なくとも一方が傾倒するように前記第1及び第2平行アーム対の少なくとも1対が前記傾倒バネと連結され、
傾倒を可能にする第1位置と傾倒を阻止する第2位置との間を移動自在な傾倒制限手段を含み、前記傾倒制限手段が前記第1及び第2位置の少なくとも一方への前記傾倒制限手段の移動を容易にする磁性部分を有することを特徴とする椅子。 - 前記背凭れが回転自在に前記座部と連結され、
前記背凭れを前記傾倒機構と回転自在に連結する第3リンクをさらに含み、前記座部及び前記背凭れが互いに独立に傾倒することを特徴とする請求項1に記載の椅子。 - 前記背凭れが前記第1及び第2平行アーム対の一方の対の前記座部との連結点において回転自在に前記座部と連結されることを特徴とする請求項2に記載の椅子。
- 前記第3リンクが2つの位置において回転自在に前記傾倒機構と連結され、1つの位置において枢動自在に前記背凭れと連結していることを特徴とする請求項2に記載の椅子。
- 前記座部及び背凭れの少なくとも一方が前記座部及び背凭れが傾倒する前の初期位置において少なくともやや前傾していることを特徴とする請求項1に記載の椅子。
- 前記傾倒制限手段が前記第1及び第2位置の少なくとも一方へ前記傾倒制限手段が完全に移動したとの可聴指示を発生することを特徴とする請求項1に記載の椅子。
- 前記磁性部分が前記第1及び第2位置の少なくとも一方へ前記傾倒制限手段が完全に移動したとの可聴指示の発生を容易にすることを特徴とする請求項6に記載の椅子。
- 前記座部及び前記背凭れの少なくとも一方が可撓性メッシュ材をも含むことを特徴とする請求項1に記載の椅子。
- 前記背凭れの両面に沿って位置設定可能な前面パッド及び背面フレームを有する腰当てと、
前記前面パッドの背面及び前記背面フレームの前面に設けた磁性部材とを含み;
前記背凭れの前記両面において前記前面パッドと背面フレームを前記磁性部材間の引力によって互いに位置保持できることと;
前記磁性部材によって前記前面パッドと背面フレームを互いに位置保持しながら前記腰当てを前記背凭れに対して移動させ、前記背凭れにおける所要の位置に配置できることと;
前記背凭れを、前記腰当てを移動させる過程において前記磁性部材が前記前面パッド及び背面フレームを互いに位置保持することを可能にする材料から形成したことをも含むことを特徴とする請求項1に記載の椅子。 - 前記背凭れの材料が可撓性のメッシュ材を含むことを特徴とする請求項9に記載の椅子。
- 前記座部及び前記背凭れの少なくとも一方を可撓性メッシュ材から形成したことと;
前記可撓性メッシュ材が前記座部及び前記背凭れの少なくとも一方の実質的に非可撓性の外側フレーム部分に取付けられた周縁部分を有することと;
前記外側フレーム部分をこれと対応する前記座部及び前記背凭れの少なくとも一方の内側フレーム部分に取付けることができることと;
前記可撓性メッシュ材が初期の未伸張状態から、前記外側フレーム部分が前記内側フレーム部分に取付けられる時の最終伸張状態まで伸張可能であることと;
前記外側フレームが、前記内側フレーム部分に取付けられる時に前記座部及び前記背凭れの少なくとも一方の外面を形成する外面を有することと;
前記内側フレームが前記外側フレーム部分に取付けられる前記外側フレーム部分によって隠蔽されることをも含むことを特徴とする請求項1に記載の椅子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58695104P | 2004-07-08 | 2004-07-08 | |
US60/586,951 | 2004-07-08 | ||
PCT/US2005/024213 WO2006014577A2 (en) | 2004-07-08 | 2005-07-08 | Office chair |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010088112A Division JP5093909B2 (ja) | 2004-07-08 | 2010-04-06 | 椅子の背凭れのための腰当て部材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008505710A JP2008505710A (ja) | 2008-02-28 |
JP4828530B2 true JP4828530B2 (ja) | 2011-11-30 |
Family
ID=35787665
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007520524A Expired - Fee Related JP4828530B2 (ja) | 2004-07-08 | 2005-07-08 | オフィス用椅子 |
JP2010088112A Expired - Fee Related JP5093909B2 (ja) | 2004-07-08 | 2010-04-06 | 椅子の背凭れのための腰当て部材 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010088112A Expired - Fee Related JP5093909B2 (ja) | 2004-07-08 | 2010-04-06 | 椅子の背凭れのための腰当て部材 |
Country Status (11)
Country | Link |
---|---|
US (2) | US8480171B2 (ja) |
EP (1) | EP1768516B1 (ja) |
JP (2) | JP4828530B2 (ja) |
CN (2) | CN101803835B (ja) |
AU (2) | AU2005269849B2 (ja) |
CA (2) | CA2739607C (ja) |
ES (1) | ES2401424T3 (ja) |
HK (2) | HK1119034A1 (ja) |
NZ (2) | NZ587980A (ja) |
SG (1) | SG163586A1 (ja) |
WO (1) | WO2006014577A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020089693A (ja) * | 2018-12-03 | 2020-06-11 | 国誉家具(中国)有限公司 | 椅子 |
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CN101801241B (zh) | 2007-03-13 | 2013-06-05 | Hni技术公司 | 动态座椅靠背腰部支撑系统 |
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US8454093B2 (en) * | 2008-12-24 | 2013-06-04 | Mity-Lite, Inc. | Mesh chair with open-end hoop |
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US8480171B2 (en) | 2013-07-09 |
WO2006014577A2 (en) | 2006-02-09 |
CN101803835B (zh) | 2012-06-06 |
EP1768516A4 (en) | 2011-09-14 |
CN101803835A (zh) | 2010-08-18 |
AU2005269849A1 (en) | 2006-02-09 |
CA2739607A1 (en) | 2006-02-09 |
EP1768516A2 (en) | 2007-04-04 |
US20100141000A1 (en) | 2010-06-10 |
US7887131B2 (en) | 2011-02-15 |
NZ552467A (en) | 2010-10-29 |
CA2572396A1 (en) | 2006-02-09 |
CA2572396C (en) | 2011-09-06 |
AU2005269849B2 (en) | 2009-10-08 |
AU2009236046A1 (en) | 2009-12-03 |
ES2401424T3 (es) | 2013-04-19 |
CN101296636B (zh) | 2010-10-06 |
AU2009236046B2 (en) | 2011-01-06 |
EP1768516B1 (en) | 2013-02-20 |
JP2008505710A (ja) | 2008-02-28 |
SG163586A1 (en) | 2010-08-30 |
JP5093909B2 (ja) | 2012-12-12 |
HK1142783A1 (en) | 2010-12-17 |
HK1119034A1 (en) | 2009-02-27 |
CN101296636A (zh) | 2008-10-29 |
US20060006715A1 (en) | 2006-01-12 |
NZ587980A (en) | 2011-09-30 |
WO2006014577A3 (en) | 2009-04-16 |
CA2739607C (en) | 2014-01-14 |
JP2010148981A (ja) | 2010-07-08 |
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