JP4295265B2 - 椅子の背凭れ装置 - Google Patents
椅子の背凭れ装置 Download PDFInfo
- Publication number
- JP4295265B2 JP4295265B2 JP2005320759A JP2005320759A JP4295265B2 JP 4295265 B2 JP4295265 B2 JP 4295265B2 JP 2005320759 A JP2005320759 A JP 2005320759A JP 2005320759 A JP2005320759 A JP 2005320759A JP 4295265 B2 JP4295265 B2 JP 4295265B2
- Authority
- JP
- Japan
- Prior art keywords
- frame
- chair
- backrest
- back plate
- backrest device
- 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
- 230000007423 decrease Effects 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 15
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
Images
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—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
-
- 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—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/44—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
-
- 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—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/44—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/445—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
そのため、背板が薄肉であるのに対し、背枠が厚肉となって目立ち過ぎ、見栄えが悪いものとなっている。
(1)合成樹脂により形成され、左右両側の下端部が脚体の後両側部により支持された方形の背枠と、その内方の可撓性を有する背板とを備える椅子の背凭れ装置において、前記背枠における左右の側枠と下端の下枠とを板状に形成し、両側枠と下枠とに、それぞれ外方に開口する平面視外向コ字状の凹溝と、下方に開口する側面視下向コ字状の凹溝とを設け、これら両凹溝の対向面同士を、前後方向を向く平板状の複数のリブにより連結する。
また、背枠の曲げ剛性が高まることから、その厚さをより小さくすることも可能となり、見栄えがより向上する。
図1は、本発明を適用した椅子の正面図、図2は、同じく側面図、図3は、同じく前方斜視図、図4は、背凭れの拡大正面図である。
上記実施形態では、背板(21)の左右に隣接する開口(27)は、左右方向に千鳥足状に上下位置を異ならせて穿設しているが、上下方向に並ぶ各開口(27)の上下両端を左右方向に整合させて穿設してもよい。また、開口(27)の上下寸法の異なるものを適宜に組み合わせて配列してもよい。
(2)キャスタ
(3)脚杆
(4)脚体
(5)脚柱
(6)支基
(7)座支持フレーム
(8)背凭れ支持杆
(8a)枢軸部
(9)クッション材
(10)座板
(11)支持片
(12)座支持ブラケット
(12a)皿ねじ
(13)軸状支持部
(13a)角軸
(14)背枠取付杆
(14a)軸状部
(14b)角孔
(15)平座金
(16)ブッシュ
(17)ボルト
(18)キャップ
(19)背凭れ
(20)背枠
(20a)側枠
(20b)下枠
(20c)取付部
(21)背板
(21a)(21b)連結片
(22)凹溝
(23)リブ
(24)凹溝
(25)リブ
(26)段付孔
(27)開口
(28)取付孔
(29)肘掛け
(29a)下向取付部
(30)凹溝
(31)段付孔
(32)ボルト
(33)めねじ孔
(34)突部
(35)嵌合凹部
Claims (8)
- 合成樹脂により形成され、左右両側の下端部が脚体の後両側部により支持された方形の背枠と、その内方の可撓性を有する背板とを備える椅子の背凭れ装置において、前記背枠における左右の側枠と下端の下枠とを板状に形成し、両側枠と下枠とに、それぞれ外方に開口する平面視外向コ字状の凹溝と、下方に開口する側面視下向コ字状の凹溝とを設け、これら両凹溝の対向面同士を、前後方向を向く平板状の複数のリブにより連結したことを特徴とする椅子の背凭れ装置。
- 背枠と背板とを、互いに連続する板状に一体的に形成してなる請求項1記載の椅子の背凭れ装置。
- 側枠の凹溝内におけるリブを、ほぼ水平をなすようにして上下方向に所定間隔おきに設けるとともに、下枠の凹溝内におけるリブを、ほぼ垂直をなすようにして左右方向に所定間隔おきに設けた請求項1または2記載の椅子の背凭れ装置。
- 脚体の後両側部に背凭れ支持杆を立設し、その上端に設けた上方を向く背枠取付杆に、側枠の下端部に形成した下方に開口する取付孔を適正に嵌合し、かつねじにより固定することにより、背枠の下端部を背凭れ支持杆を介して脚体の後両側部に取付けてなる請求項1〜3のいずれかに記載の椅子の背凭れ装置。
- 背板の全面に、上下及び左右方向に近接して並ぶ縦長の開口を、多数穿設してなる請求項1〜4のいずれかに記載の椅子の背凭れ装置。
- 左右に隣接する開口の上下位置を、交互に上下に異ならせてなる請求項5記載の椅子の背凭れ装置。
- 背枠及び背板の厚さを、上方に向かうにしたがって漸次小としてなる請求項1〜6のいずれかに記載の椅子の背凭れ装置。
- 背板の厚さを、両側部から中央に向かうにしたがって漸次小としてなる請求項1〜7のいずれかに記載の椅子の背凭れ装置。
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005320759A JP4295265B2 (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005320762A JP4295266B2 (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005320761A JP2007125221A (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005320760A JP4448487B2 (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005340235A JP2007143716A (ja) | 2005-11-04 | 2005-11-25 | 椅子の背凭れ装置 |
US12/092,290 US8191970B2 (en) | 2005-11-04 | 2006-11-02 | Backrest device in a chair |
CN200680041240XA CN101415352B (zh) | 2005-11-04 | 2006-11-02 | 椅子靠背装置 |
CA2628209A CA2628209C (en) | 2005-11-04 | 2006-11-02 | Backrest device in a chair |
PCT/JP2006/321942 WO2007052734A1 (ja) | 2005-11-04 | 2006-11-02 | 椅子の背凭れ装置 |
EP06822862.6A EP1946677B1 (en) | 2005-11-04 | 2006-11-02 | Backrest device for chair |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005320759A JP4295265B2 (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005320762A JP4295266B2 (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005320761A JP2007125221A (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005320760A JP4448487B2 (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005340235A JP2007143716A (ja) | 2005-11-04 | 2005-11-25 | 椅子の背凭れ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007125219A JP2007125219A (ja) | 2007-05-24 |
JP4295265B2 true JP4295265B2 (ja) | 2009-07-15 |
Family
ID=38005887
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005320759A Expired - Fee Related JP4295265B2 (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005320761A Pending JP2007125221A (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005320762A Active JP4295266B2 (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005320760A Active JP4448487B2 (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005340235A Pending JP2007143716A (ja) | 2005-11-04 | 2005-11-25 | 椅子の背凭れ装置 |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005320761A Pending JP2007125221A (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005320762A Active JP4295266B2 (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005320760A Active JP4448487B2 (ja) | 2005-11-04 | 2005-11-04 | 椅子の背凭れ装置 |
JP2005340235A Pending JP2007143716A (ja) | 2005-11-04 | 2005-11-25 | 椅子の背凭れ装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8191970B2 (ja) |
EP (1) | EP1946677B1 (ja) |
JP (5) | JP4295265B2 (ja) |
CN (1) | CN101415352B (ja) |
CA (1) | CA2628209C (ja) |
WO (1) | WO2007052734A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10368645B2 (en) | 2014-06-05 | 2019-08-06 | Okamura Corporation | Chair and backrest for chair |
Families Citing this family (45)
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JP5078390B2 (ja) * | 2006-08-30 | 2012-11-21 | 株式会社イトーキ | 椅子 |
WO2008056762A1 (fr) | 2006-11-10 | 2008-05-15 | Okamura Corporation | Dispositif de dossier pour fauteuil |
JP5276304B2 (ja) * | 2007-11-09 | 2013-08-28 | 株式会社内田洋行 | 椅子の背もたれ構造 |
JP5521206B2 (ja) * | 2008-05-09 | 2014-06-11 | コクヨ株式会社 | 椅子の背凭れ部材 |
CN104188409B (zh) * | 2008-05-26 | 2017-07-07 | 斯特尔凯斯公司 | 用于座椅单元的适应性靠背 |
US8033612B2 (en) * | 2008-12-24 | 2011-10-11 | Mity-Lite, Inc. | Comfortable mesh folding chair |
JP5461877B2 (ja) * | 2009-04-28 | 2014-04-02 | 株式会社岡村製作所 | 椅子の背凭れ構造 |
EP2434929B1 (fr) * | 2009-05-27 | 2014-12-10 | Steelcase Sa | Mécanisme de basculement du dossier d'un siège |
WO2012153408A1 (ja) | 2011-05-11 | 2012-11-15 | 株式会社岡村製作所 | 椅子の背凭れ装置 |
US8991932B2 (en) * | 2009-11-12 | 2015-03-31 | Okamura Corporation | Backrest mechanism for chair |
WO2012101803A1 (ja) * | 2011-01-27 | 2012-08-02 | 株式会社岡村製作所 | 椅子の背凭れ装置 |
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JP6419423B2 (ja) * | 2013-11-11 | 2018-11-07 | コクヨ株式会社 | 椅子 |
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JP6640533B2 (ja) * | 2015-11-09 | 2020-02-05 | 株式会社イトーキ | 椅子 |
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WO2018235302A1 (ja) * | 2017-06-22 | 2018-12-27 | マッスル株式会社 | 移乗用シート |
JP7029045B2 (ja) * | 2017-09-29 | 2022-03-03 | コクヨ株式会社 | 椅子 |
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JP7083157B2 (ja) | 2018-05-30 | 2022-06-10 | 愛知株式会社 | 背もたれ及び椅子 |
USD914381S1 (en) * | 2018-12-07 | 2021-03-30 | Sunnix Plastic Products Co., LTD | Chair |
USD910358S1 (en) * | 2018-12-25 | 2021-02-16 | Anji Fuhe Furniture Co., Ltd. | Seat |
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-
2005
- 2005-11-04 JP JP2005320759A patent/JP4295265B2/ja not_active Expired - Fee Related
- 2005-11-04 JP JP2005320761A patent/JP2007125221A/ja active Pending
- 2005-11-04 JP JP2005320762A patent/JP4295266B2/ja active Active
- 2005-11-04 JP JP2005320760A patent/JP4448487B2/ja active Active
- 2005-11-25 JP JP2005340235A patent/JP2007143716A/ja active Pending
-
2006
- 2006-11-02 US US12/092,290 patent/US8191970B2/en not_active Expired - Fee Related
- 2006-11-02 WO PCT/JP2006/321942 patent/WO2007052734A1/ja active Application Filing
- 2006-11-02 CA CA2628209A patent/CA2628209C/en not_active Expired - Fee Related
- 2006-11-02 CN CN200680041240XA patent/CN101415352B/zh not_active Expired - Fee Related
- 2006-11-02 EP EP06822862.6A patent/EP1946677B1/en not_active Not-in-force
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10368645B2 (en) | 2014-06-05 | 2019-08-06 | Okamura Corporation | Chair and backrest for chair |
Also Published As
Publication number | Publication date |
---|---|
EP1946677A1 (en) | 2008-07-23 |
CN101415352A (zh) | 2009-04-22 |
CA2628209C (en) | 2013-06-04 |
JP4448487B2 (ja) | 2010-04-07 |
JP2007125219A (ja) | 2007-05-24 |
JP2007125222A (ja) | 2007-05-24 |
JP2007125220A (ja) | 2007-05-24 |
CA2628209A1 (en) | 2007-05-10 |
JP4295266B2 (ja) | 2009-07-15 |
JP2007125221A (ja) | 2007-05-24 |
US8191970B2 (en) | 2012-06-05 |
CN101415352B (zh) | 2012-06-13 |
EP1946677B1 (en) | 2015-08-26 |
WO2007052734A1 (ja) | 2007-05-10 |
EP1946677A4 (en) | 2013-06-12 |
JP2007143716A (ja) | 2007-06-14 |
US20090127914A1 (en) | 2009-05-21 |
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