JP2004159712A - Attaching structure of backrest or the like in chair - Google Patents
Attaching structure of backrest or the like in chair Download PDFInfo
- Publication number
- JP2004159712A JP2004159712A JP2002326060A JP2002326060A JP2004159712A JP 2004159712 A JP2004159712 A JP 2004159712A JP 2002326060 A JP2002326060 A JP 2002326060A JP 2002326060 A JP2002326060 A JP 2002326060A JP 2004159712 A JP2004159712 A JP 2004159712A
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- Prior art keywords
- tubular support
- backrest
- substrate
- support rod
- chair
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Abstract
Description
【０００１】
【産業上の利用分野】
本発明は、椅子における背凭れ、座または肘掛け等の基板を、支杆に取り付けるための取付装置に関する。
【０００２】
【従来の技術】
従来、金属パイプの支杆に背凭れを取り付けるパイプ椅子等においては、背凭れを合成樹脂製のものとし、両脇にパイプ支杆を挿入する嵌合部を形成したものが知られている（例えば特許文献１および２参照）。
【０００３】
【特許文献】
実公昭４２−１６７５７号公報（第２欄、第１〜３図）。
【特許文献】
実公平２−３３２９号公報（第３欄、第１〜３図）。
【０００４】｀
このような従来構造は、背凭れを強固かつ簡単に取り付けられるので有利ではあるが、デザイン上の要求や背凭れのクッション性能上の要求から、パイプ支杆に木製の基板を取り付けて、その前面にクッションとなるパッド材を取り付ける旧来の構造を選択したいとの要求もある。このような場合、パイプ支杆と基板との取付部がどうしても見苦しくなり、デザイン上不利となる。
【０００５】
【発明が解決しようとする課題】｀
本発明は、椅子の背凭れ等を、金属パイプ製の管状支杆に体裁良くかつ強固に取り付けることができるとともに、基板へのパッド材の取付をも考慮した椅子における背凭れ等の取付構造を提供することを目的とする。
【０００６】
【課題を解決するための手段】
（１） 本発明によると、上記課題は、次のようにして解決される。
背凭れ等の基板の裏面に、管状支杆を支着した椅子における背凭れ等の取付構造において、前記基板と管状支杆との間に前記管状支杆の上端を覆う上部カバー部と、該上部カバー部の前部から垂下して前記基板と管状支杆との隙間を閉塞する下部カバー部とを備えるカバー部材を設ける。
【０００７】
（２） 上記（１）項において、上部カバー部の下面に、管状支杆の上端開口部に嵌合する嵌合部を設ける。
【０００８】
（３） 上記（１）または（２）項において、カバー部材を管状支杆に対して上下昇降可能に取り付けるとともに、前記カバー部材を上昇させたときに上部カバー部と管状支杆の上端との間に露呈する下部カバー部の上部に、前記基板の表面にパッド材を取り付けるためのねじ止め作業用の作業孔を設ける。
【０００９】
（４） 上記１〜３項のいずれかにおいて、管状支杆の前面に、基板を前記管状支杆に螺着するためのねじ座を設け、かつ下部カバー部に、ねじ座が嵌合する上下方向の長孔を設ける。
【００１０】
【発明の実施の形態】
図１は、本発明を実施した椅子を後方から見た部分斜視図であって、座（１）の後端下部から上方に延びる金属パイプ製の２本の管状支杆（２）の上端部の前面に背凭れ（３）が取付けられている。
【００１１】
この椅子においては、管状支杆（２）に対する背凭れ（３）の取付けに本発明取付構造が適用されている。その詳細を図２〜図６を参照して以下に詳述する。
【００１２】
本発明の取付構造には、図２及び図３に詳細に示すカバー部材（４）を用いる。
図２は、カバー部材（４）を管状支杆（２）から離した状態で、その斜め後方から見た斜視図であり、図３は、カバー部材（４）を管状支杆（２）に嵌合した状態で、その斜め前方から見た斜視図である。
【００１３】
カバー部材（４）は、好適には合成樹脂材料の一体成型品とされる。
図２及び図３から分かるように、カバー部材（４）は、半球状の上部カバー部（５）と、この上部カバー部の前両側部から垂下して長く延びる下部カバー部（６）とから構成されてる。この下部カバー部（６）は、後述するように、取り付けられた状態において背凭れ（３）と管状支杆（２）の前部の丸み部分との間の隙間を閉塞する部分である。
【００１４】
図３に示すように、カバー部材（４）の前面は平面状をなしており、上部カバー部（５）の前面は、全面的に穿設した大きな開口（７）を有し、下部カバー部（６）の前面には、上部から中間部にかけての中央に長孔（８）が、また、下端部の中央に下方に開口する丸孔（９）が形成されている。
【００１５】
また、図２に示すように、上部カバー部（５）の円弧形の下面からは、短く下方に垂下する断面半円弧状の嵌合部（１０）が一体に形成されている。この嵌合部（１０）は、後述するように管状支杆（２）の上端の開口部の内部に嵌合する部分である。
【００１６】
管状支杆（２）には、その上端部に２個のねじ座（１１）が溶接されている。ねじ座（１１）は、前述のカバー部材（４）の長孔（８）の中間と丸孔（１１）とに対応する位置において管状支杆（２）の上端部に配設されている。
【００１７】
管状支杆（２）に背凭れ（３）の木製の基板（１２）をねじ止めした状態を示す断面図である図４に示されているように、ねじ座（１１）は、雌ねじを切った円筒部（１１ａ）とその前端に形成した鍔部（１１ｂ）とを備えている。鍔部（１１ｂ）は、管状支杆（２）の外面に接する部分で、その厚さは、カバー部材（４）の前面の長孔（８）及び丸孔（９）を穿設した部分の厚みより若干厚いものとされている。
【００１８】
図４において、ねじ座（１１）に螺入されているのは、基板（１２）を取り付けるねじ（１３）であり、基板（１２）には、パッド材（１５）（図６）取付用の取付孔（１４）が設けられている。
【００１９】
図５は、パッド材（１６）の取り付けを説明する図で、木ねじ（１６）がパッド材（１６）を基板（１２）にねじ止めする部材である。図６は、このようにして組み立てた椅子の管状支杆（２）と背凭れ（３）の基板（１２）とパッド材（１５）の縦断面図である。
【００２０】
組立てにあたっては、まず図２に示す管状支杆（２）の上端部に、そのねじ座（１１）をカバー部材（４）の長孔（８）及び丸孔（９）に差し込んだ状態で、カバー部材（４）を下方に下ろし、その嵌合部（１０）を管状支杆（２）の上端に嵌め込む。このように嵌め込んだ状態が図３に示されている。
【００２１】
ついで、図４に示すようにカバー部材（４）の前面に基板（１２）を当て、前方より２本のねじ（１３）を、ねじ孔にそれぞれ通して、管状支杆（２）のねじ座（１１ａ）に螺入させて、基板（１２）を管状支杆（２）に固定する。このように固定しても、前述のようにねじ座（１１ａ）の鍔部（１１ｂ）の厚さは、カバー部材（４）の前面の長孔（８）及び丸孔（９）を穿設した部分の厚みより若干厚いので、長孔（８）の許す範囲内で、カバー部材（４）は上方に、例えば図４に点線で示す位置まで摺動的に上昇させることができる。
【００２２】
図５に、このようにしてカバー部材（４）を持ち上げた状態を示している。この状態において、木ねじ（１６）を、後方より、カバー部材（４）の上部カバー部（５）と管状支杆（２）の上端との間から、基板（１２）に穿設された取付孔（１４）を通してパッド材（１５）の支持板に螺着させる。パッド材（１５）は、図示はしていないがその上部がフック掛けにより基板（１２）に取り付けられており、このようにその下部を基板（１２）に螺着することにより、しっかりと固定される。この最終状態が図６に示されている。
【００２３】
上述の実施形態では、本発明の取付構造を背凭れに適用しているが、本発明は、その向きを変えるだけで、座や肘掛けの取り付けにも同様に適用することができる。
【００２４】
【発明の効果】
請求項１記載の発明によれば、管状支杆を背凭れ等の裏面に取り付けるに際して、カバー部材により、背凭れ等の裏面に対する管状支杆の側面の隙間を埋めるとともに、取付用のねじ等が露呈しないようにし、かつ管状支杆の上端を隠し、スマートな感覚を付与するとともに、取り付けを簡易に、かつ強固確実に行うことができる。
【００２５】
請求項２記載の発明によれば、カバー部材の上部と管状支杆の上端との係合を確実なものとすることができる。
【００２６】
請求項３記載の発明によれば、パッド材の取付作業を容易に行なうことができるとともに、パッド材取付用の木ねじの頭部が露呈することがなく、デザイン上有利となる。
【００２７】
請求項４記載の発明によれば、管状支杆に取り付けた後のカバー部材の上下摺動を可能とすることができる。
【図面の簡単な説明】
【図１】本発明の一実施形態を備える椅子の上部の後方斜視図である。
【図２】同じく、カバー部材と、これを取り付ける前の椅子の管状支杆の上部との後方斜視図である。
【図３】同じく、管状支杆に嵌合させたカバー部材の前方斜視図である。
【図４】同じく、背凭れの基板に取り付けた管状支杆とカバー部材の縦断側面図である。
【図５】同じく、パッド材取り付け寸前の状態の基板、管状支杆及びカバー部材を後方から見た斜視図である。
【図６】同じく、取り付け完了後のパッド材、基板、カバー部材及び管状支杆の縦断面図である。
【符号の説明】
（１）座
（２）管状支杆
（３）背凭れ
（４）カバー部材
（５）上部カバー部
（６）下部カバー部
（７）開口
（８）長孔
（９）丸孔
（１０）嵌合部
（１１）ねじ座
（１１ａ）円筒部
（１１ｂ）鍔部
（１２）基板
（１３）ねじ
（１４）取付孔
（１５）パッド材
（１６）木ねじ[0001]
[Industrial applications]
The present invention relates to a mounting device for mounting a substrate such as a backrest, a seat or an armrest in a chair to a support rod.
[0002]
[Prior art]
BACKGROUND ART Conventionally, in a pipe chair or the like in which a backrest is attached to a rod of a metal pipe, a backrest made of a synthetic resin and formed with fitting portions for inserting the pipe rods on both sides are known ( See, for example,
[0003]
[Patent Document]
Japanese Utility Model Publication No. 42-16775 (
[Patent Document]
Japanese Utility Model Publication No. 2-3329 (
[0004]
Such a conventional structure is advantageous because the backrest can be firmly and easily attached.However, due to design requirements and cushioning performance requirements of the backrest, a wooden board is attached to the pipe support, There is also a demand to select a traditional structure in which a pad material serving as a cushion is attached. In such a case, the mounting portion between the pipe support and the substrate is indeed unsightly and disadvantageous in design.
[0005]
[Problems to be solved by the invention]
The present invention provides a mounting structure for a backrest or the like in a chair in which a backrest or the like of a chair can be fixedly and firmly attached to a tubular support rod made of a metal pipe, and also in consideration of mounting a pad material to a substrate. The purpose is to provide.
[0006]
[Means for Solving the Problems]
(1) According to the present invention, the above-mentioned problem is solved as follows.
In a mounting structure for a backrest or the like in a chair in which a tubular support is mounted on the back surface of a substrate such as a backrest, an upper cover portion that covers an upper end of the tubular support between the substrate and the tubular support, A cover member is provided which includes a lower cover portion hanging down from a front portion of the cover portion and closing a gap between the substrate and the tubular support rod.
[0007]
(2) In the above item (1), a fitting portion for fitting into the upper end opening of the tubular support rod is provided on the lower surface of the upper cover portion.
[0008]
(3) In the above item (1) or (2), the cover member is attached to the tubular support so as to be able to move up and down, and when the cover member is raised, the upper cover portion and the upper end of the tubular support are connected. A work hole for screwing work for attaching a pad material to the surface of the substrate is provided on an upper portion of the lower cover portion exposed therebetween.
[0009]
(4) In any one of the above items 1 to 3, a screw seat for screwing a substrate to the tubular support rod may be provided on the front surface of the tubular support rod, and the lower cover portion may be provided with an upper and lower screw fitting. A long hole in the direction is provided.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 is a partial perspective view of a chair embodying the present invention as viewed from the rear, and shows upper ends of two tubular pipes (2) made of a metal pipe extending upward from a lower rear end of a seat (1). The backrest (3) is attached to the front surface of.
[0011]
In this chair, the mounting structure of the present invention is applied to mounting the backrest (3) on the tubular support rod (2). The details will be described in detail below with reference to FIGS.
[0012]
The cover member (4) shown in detail in FIGS. 2 and 3 is used for the mounting structure of the present invention.
FIG. 2 is a perspective view of the cover member (4) separated from the tubular support rod (2) and viewed obliquely from the rear, and FIG. 3 is a perspective view of the cover member (4) attached to the tubular support rod (2). It is the perspective view seen from the diagonal front in the fitted state.
[0013]
The cover member (4) is preferably an integrally molded product of a synthetic resin material.
As can be seen from FIGS. 2 and 3, the cover member (4) is composed of a hemispherical upper cover portion (5) and a lower cover portion (6) that extends vertically from both front sides of the upper cover portion. It is composed. As will be described later, the lower cover portion (6) is a portion that closes a gap between the backrest (3) and the round portion at the front of the tubular support rod (2) when attached.
[0014]
As shown in FIG. 3, the front surface of the cover member (4) has a flat shape, and the front surface of the upper cover portion (5) has a large opening (7) formed in the entire surface thereof. On the front surface of (6), a long hole (8) is formed in the center from the upper part to the middle part, and a round hole (9) that opens downward in the center of the lower end part is formed.
[0015]
Further, as shown in FIG. 2, a fitting portion (10) having a semicircular cross section that is short and hangs downward is formed integrally from the arc-shaped lower surface of the upper cover portion (5). The fitting portion (10) is a portion that fits inside the opening at the upper end of the tubular support rod (2) as described later.
[0016]
Two screw seats (11) are welded to the upper end of the tubular support (2). The screw seat (11) is disposed at the upper end of the tubular support rod (2) at a position corresponding to the middle of the long hole (8) of the cover member (4) and the round hole (11).
[0017]
As shown in FIG. 4, which is a cross-sectional view showing a state in which the wooden substrate (12) of the backrest (3) is screwed to the tubular support rod (2), the screw seat (11) has an internal thread. A cylindrical portion (11a) and a flange portion (11b) formed at the front end thereof. The flange portion (11b) is a portion that is in contact with the outer surface of the tubular support rod (2), and has a thickness equal to that of the portion where the long hole (8) and the round hole (9) are formed in the front surface of the cover member (4). It is slightly thicker than the thickness.
[0018]
In FIG. 4, screws (13) for mounting the board (12) are screwed into the screw seat (11), and the board (12) has a pad material (15) (FIG. 6) for mounting. A mounting hole (14) is provided.
[0019]
FIG. 5 is a view for explaining the attachment of the pad material (16). A wood screw (16) is a member for screwing the pad material (16) to the substrate (12). FIG. 6 is a longitudinal sectional view of the tubular support rod (2), the backrest (3), the substrate (12) and the pad material (15) of the chair assembled in this manner.
[0020]
When assembling, first, the screw seat (11) is inserted into the long hole (8) and the round hole (9) of the cover member (4) at the upper end of the tubular support rod (2) shown in FIG. The cover member (4) is lowered, and the fitting portion (10) is fitted to the upper end of the tubular support rod (2). FIG. 3 shows the state of the fitting.
[0021]
Next, as shown in FIG. 4, the substrate (12) is put on the front surface of the cover member (4), and two screws (13) are passed through the screw holes from the front, respectively. The substrate (12) is screwed into (11a) and fixed to the tubular support (2). Even when the fixing member is fixed in this manner, as described above, the thickness of the flange portion (11b) of the screw seat (11a) is formed by forming the long hole (8) and the round hole (9) on the front surface of the cover member (4). The cover member (4) can be slidably moved upward, for example, to a position shown by a dotted line in FIG.
[0022]
FIG. 5 shows a state where the cover member (4) is thus lifted. In this state, a wood screw (16) is inserted from the rear between the upper cover part (5) of the cover member (4) and the upper end of the tubular support rod (2) into a mounting hole formed in the substrate (12). Through (14), it is screwed to the support plate of the pad material (15). Although not shown, the pad material (15) has its upper part attached to the substrate (12) by hooking, and the lower part is screwed to the substrate (12) to be firmly fixed. You. This final state is shown in FIG.
[0023]
In the above-described embodiment, the mounting structure of the present invention is applied to the backrest. However, the present invention can be similarly applied to the mounting of a seat or an armrest only by changing the direction.
[0024]
【The invention's effect】
According to the first aspect of the present invention, when attaching the tubular support to the back surface of the backrest or the like, the cover member fills the gap between the side surface of the tubular support and the back surface of the backrest or the like, and the mounting screw or the like is used. In addition to hiding the upper end of the tubular support rod so that it is not exposed, a smart feeling is provided, and the mounting can be performed easily and firmly.
[0025]
According to the second aspect of the invention, the engagement between the upper portion of the cover member and the upper end of the tubular support rod can be ensured.
[0026]
According to the third aspect of the present invention, the mounting operation of the pad material can be easily performed, and the head of the wood screw for mounting the pad material is not exposed, which is advantageous in design.
[0027]
According to the fourth aspect of the present invention, the cover member attached to the tubular support rod can be slid up and down.
[Brief description of the drawings]
FIG. 1 is a rear perspective view of an upper portion of a chair provided with an embodiment of the present invention.
FIG. 2 is a rear perspective view of a cover member and an upper portion of a tubular support rod of a chair before the cover member is attached.
FIG. 3 is a front perspective view of a cover member fitted to the tubular support rod.
FIG. 4 is a vertical sectional side view of a tubular support and a cover member attached to a backrest substrate.
FIG. 5 is a perspective view of the substrate, the tubular support rod, and the cover member just before the pad material is attached, as viewed from the rear.
FIG. 6 is a longitudinal sectional view of the pad material, the board, the cover member, and the tubular support rod after the attachment is completed.
[Explanation of symbols]
(1) Seat (2) Tubular support (3) Backrest (4) Cover member (5) Upper cover (6) Lower cover (7) Opening (8) Slot (9) Round hole (10) Fit Joint part (11) Screw seat (11a) Cylindrical part (11b) Flange part (12) Substrate (13) Screw (14) Mounting hole (15) Pad material (16) Wood screw
Claims (4)
前記基板と管状支杆との間に前記管状支杆の上端を覆う上部カバー部と、該上部カバー部の前部から垂下して前記基板と管状支杆との隙間を閉塞する下部カバー部とを備えるカバー部材を設けたことを特徴とする椅子の背凭れ等の取付構造。In a mounting structure such as a backrest in a chair in which a tubular support rod is mounted on the back surface of a substrate such as a backrest,
An upper cover portion that covers an upper end of the tubular support between the substrate and the tubular support, and a lower cover that hangs down from a front portion of the upper cover and closes a gap between the substrate and the tubular support. A mounting structure for a backrest or the like of a chair, comprising a cover member provided with:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002326060A JP4119226B2 (en) | 2002-11-08 | 2002-11-08 | Mounting structure such as backrest in chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002326060A JP4119226B2 (en) | 2002-11-08 | 2002-11-08 | Mounting structure such as backrest in chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004159712A true JP2004159712A (en) | 2004-06-10 |
| JP4119226B2 JP4119226B2 (en) | 2008-07-16 |
Family
ID=32805106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002326060A Expired - Fee Related JP4119226B2 (en) | 2002-11-08 | 2002-11-08 | Mounting structure such as backrest in chair |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4119226B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006136571A (en) * | 2004-11-12 | 2006-06-01 | Okamura Corp | Attaching structure of back board in chair |
| JP2007068902A (en) * | 2005-09-09 | 2007-03-22 | Houtoku:Kk | Backrest attachment structure for chair |
| DE102006020684A1 (en) * | 2006-04-27 | 2007-10-31 | GfP (Gesellschaft für Produktivitätsplanung und Produktentwicklung) mbH | Component part e.g. backrest, mounting device, has two jaws inserted in pipe to grip and draw bolt-shaped units in pipe relative to each other using screw, where units are gripped such that shank lies in lower sides of head |
| JP2010004946A (en) * | 2008-06-24 | 2010-01-14 | Okamura Corp | Chair |
| JP2017164115A (en) * | 2016-03-15 | 2017-09-21 | 及樺實業股▲ふん▼有限公司 | Fixing device of chair backrest plate |
-
2002
- 2002-11-08 JP JP2002326060A patent/JP4119226B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006136571A (en) * | 2004-11-12 | 2006-06-01 | Okamura Corp | Attaching structure of back board in chair |
| JP2007068902A (en) * | 2005-09-09 | 2007-03-22 | Houtoku:Kk | Backrest attachment structure for chair |
| JP4563288B2 (en) * | 2005-09-09 | 2010-10-13 | 株式会社ホウトク | Chair backrest mounting structure |
| DE102006020684A1 (en) * | 2006-04-27 | 2007-10-31 | GfP (Gesellschaft für Produktivitätsplanung und Produktentwicklung) mbH | Component part e.g. backrest, mounting device, has two jaws inserted in pipe to grip and draw bolt-shaped units in pipe relative to each other using screw, where units are gripped such that shank lies in lower sides of head |
| JP2010004946A (en) * | 2008-06-24 | 2010-01-14 | Okamura Corp | Chair |
| JP2017164115A (en) * | 2016-03-15 | 2017-09-21 | 及樺實業股▲ふん▼有限公司 | Fixing device of chair backrest plate |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4119226B2 (en) | 2008-07-16 |
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