JPH04118059U - chair with backrest - Google Patents
chair with backrestInfo
- Publication number
- JPH04118059U JPH04118059U JP2198391U JP2198391U JPH04118059U JP H04118059 U JPH04118059 U JP H04118059U JP 2198391 U JP2198391 U JP 2198391U JP 2198391 U JP2198391 U JP 2198391U JP H04118059 U JPH04118059 U JP H04118059U
- Authority
- JP
- Japan
- Prior art keywords
- backrest
- seat plate
- chair
- seat
- posture
- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 7
- 229920002647 polyamide Polymers 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 4
- 229920006122 polyamide resin Polymers 0.000 abstract description 8
- 229920001971 elastomer Polymers 0.000 description 7
- 229920002302 Nylon 6,6 Polymers 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229920002292 Nylon 6 Polymers 0.000 description 3
- 229920006102 Zytel® Polymers 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004957 Zytel Substances 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
(57)【要約】
【目的】 人間の着座姿勢に応じて自然体で柔軟かつ自
在に背あて部の変位が可能な背もたれ付椅子を提供す
る。
【構成】 背あての基板と、背あてを変位可能に支持
し、座板部あるいは脚部に支持される背もたれ部とを下
撓性の優れたポリアミド系樹脂材料により一体成形し、
その柔軟な可撓性を利用して背あてを人体の姿勢に合わ
せて自在に変位させるようにした。
(57) [Summary] [Purpose] To provide a chair with a backrest whose backrest can be moved naturally, flexibly and freely according to the sitting posture of a person. [Structure] The base plate of the backrest and the backrest part that movably supports the backrest and is supported by the seat plate or legs are integrally molded from a polyamide resin material with excellent downward flexibility.
Utilizing its flexibility, the backrest can be freely displaced to match the posture of the human body.
Description
【０００１】0001
本考案は、背もたれ付椅子に関し、詳しくは、その背あて基板等の部品が樹脂 系材料で形成され、人間の着座姿勢に応じて背もたれの傾斜が自在に調整される リクライニング機構を具えた背もたれ付椅子に関する。 The present invention relates to a chair with a backrest, specifically, the backrest board and other parts are made of resin. The inclination of the backrest can be adjusted freely according to the sitting posture of the person. This invention relates to a chair with a backrest equipped with a reclining mechanism.
【０００２】0002
図５に従来から汎用されてきたこの種の背もたれ付椅子の一例を示す。その構 成を大別すると、背もたれ部２１，座板部２２および脚部２３に分けることがで きる。このうち、背もたれ部２１は人間の着座姿勢に合わせて傾斜が調整される 部分であり、本例では背もたれ部２１は背あて部材２４と、背あて支持部材（以 下で単に支柱部材という）２５とで構成されている。更にまた、背あて部材２４ は、支柱部材２５とピン２６を介して揺動自在に連結される背あて基板２７と、 背あて基板２７に固定ピン２８Ａおよびラバーグロメット２８Ｂを介して取付け られる背あて部２９とで構成されている。３０は背あて部２９のシートベース、 ３１はシートベース３０等背あて部２９の金属部分に装着された弾性体等で形成 されるクッション部材である。 なお、このようにして構成された背もたれ部２１のうち、背あて基板２７や支 柱部材２５，ピン２６等の部品には人体の寄りかかりにより負荷がかかるために 強度部材として従来は鉄やアルミニウム系の材料が使用されてきた。更にまた、 座板部２２を構成している座板基板３２や座板基板３２を支持する脚部２３にも 強度が要求されるために鉄やアルミニウム系が主として使用されるが、近年では 軽量化、多様化の要求に応じて樹脂系でカバーされたものや、樹脂系により成形 されたものが用いられている。 FIG. 5 shows an example of this type of chair with a backrest that has been widely used in the past. Its structure Broadly speaking, the components can be divided into a backrest portion 21, a seat plate portion 22, and a leg portion 23. Wear. Among these, the inclination of the backrest portion 21 is adjusted according to the sitting posture of the person. In this example, the backrest portion 21 includes a backrest member 24 and a backrest support member (hereinafter referred to as (hereinafter simply referred to as a support member) 25. Furthermore, the backrest member 24 a back support board 27 which is swingably connected to the support member 25 via a pin 26; Attached to back board 27 via fixing pin 28A and rubber grommet 28B It is composed of a back rest part 29 that is 30 is the seat base of the backrest part 29; 31 is formed of an elastic body etc. attached to the metal part of the backrest part 29 such as the seat base 30 This is a cushion member. In addition, among the backrest portion 21 configured in this way, the backrest substrate 27 and the support Parts such as the column member 25 and pin 26 are subject to loads due to the leaning of the human body. Conventionally, iron and aluminum-based materials have been used as strength members. Furthermore, The seat plate base plate 32 that constitutes the seat plate portion 22 and the leg portions 23 that support the seat plate base plate 32 are also Iron and aluminum are mainly used because of their strength, but in recent years In response to demands for weight reduction and diversification, products covered with resin or molded with resin are available. The one given is used.
【０００３】 ３３は座板基板３２から突設されたブラケット、３４は座板基板３２と支柱部 材２５との間に介装された支持ばね、３５は支柱部材２５の支持端部２５Ａをば ね３４を介して座板基板３２に保持させるための固定ピンである。なお、座板部 ２２にはその座板基板３２上に人体をソフトに支えるための座席クッション３６ が設けられている。0003 33 is a bracket protruding from the seat plate base plate 32, and 34 is the seat plate base plate 32 and a support portion. A support spring 35 is interposed between the supporting member 25 and the support end 25A of the support member 25. This is a fixing pin for holding the seat plate base plate 32 through the screws 34. In addition, the seat plate 22 has a seat cushion 36 on the seat board 32 for softly supporting the human body. is provided.
【０００４】 このように構成された背もたれ付椅子においては、座席クッション３６上に人 間が腰を下した状態で、その背中を背あて部材２４に寄りかからせることができ 、その寄りかかりによって生じる荷重により背もたれ部２１をピン３３の回りに 揺動させ、荷重がばね３４の反力と釣合う形で人体の姿勢を背面側から背あて部 材２４によって受止めることができる。図６にそのときの荷重と背もたれ部２１ のたわみ量との関係を一点鎖線で示した。0004 In the chair with a backrest configured in this way, there is no place for a person on the seat cushion 36. While the person is sitting down, the person can lean his or her back against the backrest member 24. , the backrest portion 21 is moved around the pin 33 due to the load generated by leaning on it. The backrest part is swung from the back side to adjust the posture of the human body so that the load balances the reaction force of the spring 34. It can be received by the material 24. Figure 6 shows the load and backrest part 21 at that time. The relationship between the amount of deflection and the amount of deflection is shown by the dashed-dotted line.
【０００５】[0005]
しかしながら、上述したような従来の背もたれ付椅子では、背もたれ部２１を 構成している支柱部材２５や背あて基板２７等がスチールなどの金属材料により 剛性に構成されているために、これら自体が人体の寄りかかりによって生じる２ ０ｋｇや３０ｋｇの荷重によって撓むことはなく、その傾斜方向の撓みは専らば ね３４のばね力に依存している。そこで、人体の背骨の動き、つまり、着座した 人の姿勢の変化、例えば人体の前後の屈曲や左右へのねじり動作に追随したソフ トなたわみ動作が得られないために、使用者にいま１つ満足な安楽さが得られな いという問題があった。 However, in the conventional chair with a backrest as described above, the backrest portion 21 is The constituent pillar members 25, back board 27, etc. are made of metal materials such as steel. Due to their rigid structure, they themselves are subject to 2. It does not bend under a load of 0 kg or 30 kg, and the bending in the direction of inclination is exclusively It depends on the spring force of spring 34. Therefore, the movement of the human spine, that is, when seated Software that follows changes in a person's posture, such as bending the human body back and forth or twisting from side to side. Since it is not possible to obtain sufficient flexing motion, the user cannot obtain satisfactory comfort. There was a problem.
【０００６】 本考案の目的は、上述した従来の問題に着目し、その解決を図るべく、人間の 着座姿勢に応じて自然体で柔軟かつ自在に背あて部の変位が可能な背もたれ付椅 子を提供することにある。[0006] The purpose of this invention is to focus on the conventional problems mentioned above, and to solve them. A chair with a backrest that allows the backrest to be moved naturally, flexibly, and freely according to the sitting posture. It is about providing children.
【０００７】[0007]
かかる目的を達成するために、本考案は、着座用の座板部と、該座板部を支持 する脚部と、前記座板部および前記脚部の少なくともいずれか一方に支持され、 当該座板部に着座する人の背中を支える背あて部を前記着座する人の姿勢に応じ て変位可能な背もたれ部とを有する背もたれ付椅子において、少なくとも前記背 あて部の基板および前記変位可能な背もたれ部を可撓性のあるポリアミド系樹脂 材料により一体成形したことを特徴とするものである。 In order to achieve this purpose, the present invention includes a seat plate for seating and a support for the seat plate. a leg portion supported by at least one of the seat plate portion and the leg portion, The backrest part that supports the back of the person sitting on the seat plate part is adjusted according to the posture of the person sitting on the seat board part. In the chair with a backrest having a backrest portion that can be displaced by The substrate of the rest part and the movable backrest part are made of flexible polyamide resin. It is characterized by being integrally molded from a material.
【０００８】[0008]
本考案によれば、ポリアミド系樹脂材料により背あて部の基板と背もたれ部と を一体成形したので、その樹脂材料の有する優れた柔軟な可撓性により背もたれ 部がその座板部あるいは脚部に支持される基部をベースにして片持梁として荷重 に対し非線形に撓むのみならず、背あて部を人体のねじれ方向に同調して撓ませ ることが可能となり、背あて部を人体の姿勢に応じて自然体に変位させることが できる。 According to the present invention, the substrate of the backrest part and the backrest part are made of polyamide resin material. Because the resin material has excellent flexibility, the backrest The load is applied as a cantilever beam based on the base supported by the seat plate or leg. In addition to bending non-linearly to This makes it possible to move the backrest naturally according to the posture of the human body. can.
【０００９】[0009]
以下に、図面を参照しつつ本考案の実施例を具体的に説明する。 Embodiments of the present invention will be specifically described below with reference to the drawings.
【００１０】 図１および図２は本考案の一実施例による構成の概要を示し、図１はその背も たれ付椅子の側面図、また、図２はその正面図である。これらの図において、１ は背もたれ部材、２は座板部、３は脚部、４は肘掛け部であり、以下ではこれら の各部のうち、特に従来例と異なる機能的部分について図３〜図５を参照しつつ 詳しく述べることとする。0010 1 and 2 show an outline of the configuration according to an embodiment of the present invention, and FIG. 1 shows the back of the structure. FIG. 2 is a side view of the chair with a lean back, and FIG. 2 is a front view thereof. In these figures, 1 is a backrest member, 2 is a seat plate, 3 is a leg, and 4 is an armrest. Among the various parts, the functional parts that are different from the conventional example will be explained with reference to FIGS. 3 to 5. I will explain this in detail.
【００１１】 まず、本実施例においては、図３に示すように背あて基板部７とこれを支持す る支柱部材５とを共にポリアミド系樹脂材料により背もたれ部材１として一体成 形するもので、その樹脂材料として、本例の場合は、ＥＰＤＭ（エチレン・プロ ピレン・ジェン共重合体）を含有したナイロン６６（デュポン社ザイテル（Ｒ） ＳＴ８０１−商品名）を使用した。そして、このようにポリアミド系樹脂材料に より一体成形した背もたれ部材１にシートベース３０を取付けるための固定ピン ２８Ａを装着すると共に、ラバーグロメット２８Ｂを上記の固定ピン２８Ａに嵌 着することによってポリプロピレン製のシートベース３０を背あて基板部７に固 定した。なお、シートベース３０にはウレタン製のクッション部材３１を発泡成 形によって添設しておいた。[0011] First, in this embodiment, as shown in FIG. The backrest member 1 is integrally formed with the support pillar member 5 made of polyamide resin material. In this example, EPDM (ethylene polymer) is used as the resin material. nylon 66 (DuPont Zytel®) containing pyrene-gen copolymer) ST801-trade name) was used. In this way, polyamide resin materials Fixing pin for attaching the seat base 30 to the integrally molded backrest member 1 28A, and also fit the rubber grommet 28B onto the above fixing pin 28A. The seat base 30 made of polypropylene is fixed to the backrest substrate part 7 by Established. Note that the seat base 30 is made of foamed urethane cushion member 31. I have attached it depending on the shape.
【００１２】 またここで、背もたれ部材１の形状としては、その水平断面係数が支柱部材５ の背あて基板７との付け根近傍から上部にいくに従って徐々に増大するように配 応した。更にまた、座板部２の座板基板１２にはガラス強化ナイロン６，ナイロ ン６６の共重合体（デュポン社ザイテル（Ｒ）７２Ｇ−３３Ｌ−商品名）を用い て成形し、これに図１に示すようにして座席クッション３６を取付けた。そして 、このような座板部２の座板基板１２に背もたれ部材１の支柱部５基部５Ａを取 手付ねじ１５で固定し、この固定部を梃子支点として背もたれ部材１の撓み部１ Ａに撓みが発生可能なようにした。0012 In addition, the shape of the backrest member 1 has a horizontal section modulus of the support member 5. It is arranged so that it gradually increases from near the base with the back board 7 to the top. I responded. Furthermore, the seat plate substrate 12 of the seat plate portion 2 is made of glass-reinforced nylon 6 and nylon. 66 copolymer (DuPont's Zytel® 72G-33L-trade name). The seat cushion 36 was attached to this as shown in FIG. and , attach the base 5A of the support column 5 of the backrest member 1 to the seat plate base plate 12 of the seat plate 2. The flexible portion 1 of the backrest member 1 is fixed with a hand screw 15, and this fixed portion is used as a lever fulcrum. It is now possible for A to be deflected.
【００１３】 一方、脚部３および肘掛け部４の主要構造部分はそれぞれガラス強化ナイロン ６，ナイロン６６の共重合体（デュポン社ザイテル（Ｒ）７２Ｇ−３３Ｌ−商品 名）で成形した上、これらを背もたれ部材１付きの座板部２と共に組立てること により図１および図２に示すような背もたれ付椅子を得た。[0013] On the other hand, the main structural parts of the legs 3 and armrests 4 are made of glass-reinforced nylon. 6. Nylon 66 copolymer (DuPont Zytel(R) 72G-33L-product) ), and then assemble them together with the seat plate part 2 with the backrest member 1. Thus, a chair with a backrest as shown in FIGS. 1 and 2 was obtained.
【００１４】 このように構成した椅子においては、上述したように可撓性の優れた樹脂系材 料によって背もたれ部材１を形成し、かつ、図５で背あて部２９として示されて いる部分が背もたれ部材１の撓み部１Ａを介して前後のみならず向きまで変位可 能に撓むので、図４に２点鎖線によって示す如く、着座する人のもたれ具合に応 じて背あて部２９（図４ではその背あて基板７のみを示す）をその捩った方向に 変位させ、人の姿勢に対応させることができる。[0014] In the chair constructed in this way, as mentioned above, the resin material with excellent flexibility is used. The backrest member 1 is made of a material, and is shown as the backrest part 29 in FIG. The part of the backrest member 1 can be displaced not only back and forth but also in any direction via the flexible part 1A of the backrest member 1. As shown by the two-dot chain line in Figure 4, it bends depending on the leaning position of the person seated. Then, rotate the backrest part 29 (only the backrest board 7 is shown in FIG. 4) in the twisted direction. It can be displaced to correspond to a person's posture.
【００１５】 また、上記実施例による背もたれ付椅子の背あて部に図３に示すようにして荷 重をかけてそのたわみ量ｄを測定した結果、図６で実線によって示すようにある 荷重以上でたわみ量ｄが非線形に変化し、人体の自然体の形で背もたれ荷重に対 応するたわみの得られることが確認できた。[0015] Further, the backrest of the chair with a backrest according to the above embodiment is loaded with a load as shown in FIG. As a result of measuring the amount of deflection d by applying weight, it is shown by the solid line in Figure 6. The amount of deflection d changes non-linearly when the load exceeds the load, and the natural shape of the human body responds to the backrest load. It was confirmed that the corresponding deflection could be obtained.
【００１６】 なお、上記の実施例では、背もたれ部材をＥＰＤＭを含有したナイロン６６に より一体成形したが、その好適材料としては、広く、ポリアミドの反応基を有す るかまたはポリアミドとの相溶性が相溶剤等を介して改良されたゴムを含有する ポリアミド系樹脂を挙げることができる。すなわちそのゴムとしては上述したＥ ＰＤＭやポリウレタン，ポリアクリレート等を、また、ポリアミド系樹脂として 、ナイロン６，ナイロン６６またはこれらの共重合体等を挙げることができ、更 にまた反応基として、酸無水物，エポキシ等が挙げられる。なお、かかるゴムを 含有し、耐衝撃性を向上させたポリアミド系樹脂については特開昭５８−３８７ ５１号公報等に開示されている。[0016] In the above embodiment, the backrest member is made of nylon 66 containing EPDM. Suitable materials include polyamides having reactive groups. Contains rubber whose compatibility with polyamide has been improved through a compatibilizer, etc. Examples include polyamide resins. In other words, the rubber is the above-mentioned E. PDM, polyurethane, polyacrylate, etc., as well as polyamide resin , nylon 6, nylon 66, or copolymers thereof; Also, examples of the reactive group include acid anhydride, epoxy, and the like. In addition, such rubber JP-A-58-387 discloses polyamide-based resins that contain polyamides and have improved impact resistance. It is disclosed in Publication No. 51 and the like.
【００１７】 本考案者等は、上記実施例によるものを従来例と比較するために、下記のよう に従来の仕様による椅子を作成した。[0017] In order to compare the above embodiment with the conventional example, the inventors of the present invention, etc. A chair was created according to conventional specifications.
【００１８】 すなわち、この比較例においては、図５に示す背あて基板２７，支柱部材２５ を共にアルミニウムで成形し、ピン２６によってこれを連結した後、ポリプロピ レン製のシートベースにウレタン製のクッション部材３０を発泡成形添設した背 あて部２９をラバーグロメット２８Ｂで背あて基板２７に取付けた。かくして、 背あて部２９および支柱２５を含む背もたれ部２１の基本的形状を上述した実施 例による背もたれ部材１の形状に合わせるようにした。[0018] That is, in this comparative example, the back support board 27 and the support member 25 shown in FIG. are molded together from aluminum, connected by pins 26, and then molded from polypropylene. A seat back made of urethane cushion member 30 attached by foam molding to a seat base made of Ren. The rest part 29 was attached to the back rest board 27 with a rubber grommet 28B. Thus, The basic shape of the backrest part 21 including the backrest part 29 and the pillar 25 is implemented as described above. It is adapted to match the shape of the backrest member 1 according to the example.
【００１９】 更にまた、ガラス強化ナイロン６，ナイロン６６共重合体（デュポン社ザイテ ル（Ｒ）７２Ｇ−３３Ｌ−商品名）により座板基板３２をたわみ支点用のブケッ トと共に一体成形した上、座席クッション３６を取付けて座板部２２を構成し、 これを図５に示すように支柱部材２５とピン３３で連結し、更に固定ピン３５に よってばね３４を座板基板３２と支柱部材２５との間に介装した。そしてこのあ と図１にならって脚部３および肘掛け部４を取付けて椅子を構成し、実施例と同 じ条件の元に背あて部２９に荷重をかけてそのたわみ量ｄを測定した結果、図６ で一点鎖線で示したように荷重とたわみ量との関係はそのたわみ動作が規制され るまで線形となった。[0019] Furthermore, glass-reinforced nylon 6, nylon 66 copolymer (DuPont Zyte) (R) 72G-33L-product name), the seat plate base plate 32 is attached to a buckle for a deflection fulcrum. The seat plate portion 22 is formed by integrally molding the seat cushion 36 with the This is connected to the support member 25 with a pin 33 as shown in FIG. Therefore, the spring 34 is interposed between the seat plate base plate 32 and the support member 25. And this a The legs 3 and armrests 4 are attached as shown in Fig. 1 to construct a chair, and the chair is constructed in the same manner as in the example. Figure 6 shows the results of measuring the amount of deflection d by applying a load to the backrest 29 under the same conditions. As shown by the dashed line, the relationship between the load and the amount of deflection is that the deflection behavior is regulated. It became linear until the end.
【００２０】[0020]
以上説明してきたように、本考案によれば、少なくとも前記背あて部の基板お よび前記変位可能な背もたれ部を可撓性のあるポリアミド系樹脂材料により一体 成形したので、着座する人の体形や姿勢に応じて自然体の形で背もたれ部が追随 変位する優れたリクライニング機能を持たせることができ、着座する人の背中や 腰に姿勢からくる無理な負担を感じさせない背もたれ付椅子を提供することがで きる。 As explained above, according to the present invention, at least the substrate of the backrest portion and the movable backrest portion are integrated with a flexible polyamide resin material. Because it is molded, the backrest naturally follows the shape and posture of the person sitting. It can be provided with an excellent reclining function that allows the seater to move around the back and It is possible to provide a chair with a backrest that does not cause undue stress on the lower back due to posture. Wear.
【図１】本考案の構成の一例を示す側面図である。FIG. 1 is a side view showing an example of the configuration of the present invention.
【図２】本考案の構成の一例を示す正面図である。FIG. 2 is a front view showing an example of the configuration of the present invention.
【図３】本考案の構成の一例を示す断面図である。FIG. 3 is a sectional view showing an example of the configuration of the present invention.
【図４】本考案の構成の一例を示す上面図である。FIG. 4 is a top view showing an example of the configuration of the present invention.
【図５】従来例の構成を示す断面図である。FIG. 5 is a sectional view showing the configuration of a conventional example.
【図６】背もたれ付椅子における背あて部の荷重に対す
るたわみ量の関係を従来例と本考案実施例とで比較して
示す特性曲線図である。FIG. 6 is a characteristic curve diagram illustrating a comparison between a conventional example and an embodiment of the present invention, regarding the relationship between the amount of deflection and the load of the backrest of a chair with a backrest.
１ 背もたれ部 １Ａ 撓み部 ２ 座板部 ３ 脚部 ４ 肘掛け部 ５ 支柱部材 ５Ａ 基部 ７ 背あて基板 １２ 座板基板 １５ 取手付ねじ ２８Ａ ピン ２８Ｂ ラバーグロメット ２９ 背あて部 ３０ シートベース ３１ クッション部材 1 Backrest part 1A Flexible part 2 Seat plate part 3 Legs 4 Armrest part 5 Strut members 5A base 7 Back board 12 Seat board board 15 Screw with handle 28A pin 28B rubber grommet 29 Backrest part 30 Seat base 31 Cushion member
フロントページの続き (72)考案者 市川 弘之 東京都港区虎ノ門２丁目10番１号 新日鉱 ビル・デユポンタワー デユポン ジヤパ ン リミテツド内 (72)考案者 正田 賢志 愛知県名古屋市守山区小幡花ノ木87−２ コミニテイーハウス花ノ木401号 (72)考案者 堀 久幸 愛知県小牧市大字上末字東山3509番地の 190 株式会社ホウトク内Continuation of front page (72) Creator Hiroyuki Ichikawa Nippon Mining Co., Ltd. 2-10-1 Toranomon, Minato-ku, Tokyo Building Dupont Tower Dupont Jiyapa In Limited (72) Creator Kenji Shoda 87-2 Obata Hananoki, Moriyama Ward, Nagoya City, Aichi Prefecture Community House Hananoki No. 401 (72) Creator Hisayuki Hori 3509 Higashiyama, Komaki City, Aichi Prefecture 190 Inside Houtoku Co., Ltd.
Claims (1)
脚部と、前記座板部および前記脚部の少なくともいずれ
か一方に支持され、当該座板部に着座する人の背中を支
える背あて部を前記着座する人の姿勢に応じて変位可能
な背もたれ部とを有する背もたれ付椅子において、少な
くとも前記背あて部の基板および前記変位可能な背もた
れ部を可撓性のあるポリアミド系樹脂材料により一体成
形したことを特徴とする背もたれ付椅子。1. A seat plate for seating, legs supporting the seat plate, and a seat for a person who is supported by at least one of the seat plate and the legs, and who is seated on the seat plate. In a chair with a backrest having a backrest part that supports the back and a backrest part that can be displaced according to the posture of the person sitting, at least the substrate of the backrest part and the displaceable backrest part are made of flexible polyamide. A chair with a backrest characterized by being integrally molded from a resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991021983U JP2536735Y2 (en) | 1991-04-05 | 1991-04-05 | Chair with backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991021983U JP2536735Y2 (en) | 1991-04-05 | 1991-04-05 | Chair with backrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04118059U true JPH04118059U (en) | 1992-10-22 |
| JP2536735Y2 JP2536735Y2 (en) | 1997-05-28 |
Family
ID=31907591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991021983U Expired - Lifetime JP2536735Y2 (en) | 1991-04-05 | 1991-04-05 | Chair with backrest |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2536735Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004037047A1 (en) * | 2002-10-11 | 2004-05-06 | Kokuyo Furniture Co.,Ltd. | Structure of chair backrest |
| JP2020500668A (en) * | 2016-11-08 | 2020-01-16 | セガン エーエスシー カンパニー リミテッドＳｅｋａｎｇ Ａｓｃ Ｃｏ．， Ｌｔｄ． | Chair having swing motion function and swing module used therefor |
| CN110833279A (en) * | 2018-08-17 | 2020-02-25 | 大河精工有限公司 | Chair with tension chair back |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0222141U (en) * | 1988-07-29 | 1990-02-14 | ||
| JPH02195908A (en) * | 1988-12-09 | 1990-08-02 | Bayer Ag | Buckrest-supporting structure of seat for vehicle and buckrest of seat for vehicle thereon |
-
1991
- 1991-04-05 JP JP1991021983U patent/JP2536735Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0222141U (en) * | 1988-07-29 | 1990-02-14 | ||
| JPH02195908A (en) * | 1988-12-09 | 1990-08-02 | Bayer Ag | Buckrest-supporting structure of seat for vehicle and buckrest of seat for vehicle thereon |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004037047A1 (en) * | 2002-10-11 | 2004-05-06 | Kokuyo Furniture Co.,Ltd. | Structure of chair backrest |
| CN100420404C (en) * | 2002-10-11 | 2008-09-24 | 国誉株式会社 | Structure of chair backrest |
| JP2020500668A (en) * | 2016-11-08 | 2020-01-16 | セガン エーエスシー カンパニー リミテッドＳｅｋａｎｇ Ａｓｃ Ｃｏ．， Ｌｔｄ． | Chair having swing motion function and swing module used therefor |
| CN110833279A (en) * | 2018-08-17 | 2020-02-25 | 大河精工有限公司 | Chair with tension chair back |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2536735Y2 (en) | 1997-05-28 |
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