JPH023329Y2 - - Google Patents
Info
- Publication number
- JPH023329Y2 JPH023329Y2 JP15644684U JP15644684U JPH023329Y2 JP H023329 Y2 JPH023329 Y2 JP H023329Y2 JP 15644684 U JP15644684 U JP 15644684U JP 15644684 U JP15644684 U JP 15644684U JP H023329 Y2 JPH023329 Y2 JP H023329Y2
- Authority
- JP
- Japan
- Prior art keywords
- backrest
- plate
- chair
- support rod
- synthetic resin
- 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
Links
- 239000002184 metal Substances 0.000 claims description 7
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000071 blow moulding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、パイプ椅子等に背もたれを、強固か
つ簡単に取付けうる装置に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a device that can firmly and easily attach a backrest to a pipe chair or the like.
パイプ椅子等に背もたれを取付ける作業を、簡
単に行いうるようにした椅子としては、実開昭59
−21260号公報に開示されたものがある。
A chair that made it easy to attach a backrest to pipe chairs, etc.
-There is one disclosed in Publication No. 21260.
第８図は、この椅子を、また第９図は、背もた
れ取付部を示すもので、５１は金属パイプ製の
脚、５２は合成樹脂製の座板、５３は、座板５２
の後端に連設された背もたれで、その左右両側端
の下部には、後上方を向く取付筒５４が、一体的
に連設されている。 Fig. 8 shows this chair, and Fig. 9 shows the backrest attachment part, 51 is a leg made of metal pipe, 52 is a seat plate made of synthetic resin, and 53 is a seat plate 52.
The backrest is connected to the rear end, and mounting tubes 54 facing rearward and upward are integrally connected to the lower portions of both left and right ends of the backrest.
背もたれ５３は、取付筒５４を脚５１の後上方
を向く上部に外嵌して、リベツト５５で止着する
ことにより、脚５１に取付けられている。 The backrest 53 is attached to the leg 51 by fitting a mounting tube 54 onto the rear and upwardly facing upper part of the leg 51 and fixing it with a rivet 55.
〔考案が解決しようとする問題点〕
上述の背もたれ取付け装置においては、着座者
の後向荷重により、背もたれ５３が撓むので、合
成樹脂製の取付筒５４が、脚５１の軸線まわりに
回動しようとして、取付筒５４のリベツト挿通孔
５６周縁に亀裂を生じさせたり、リベツト５５を
切損したりすることがある。[Problem to be solved by the invention] In the above-mentioned backrest attachment device, the backrest 53 is bent by the backward load of the seated person, so the synthetic resin attachment tube 54 rotates around the axis of the leg 51. As a result, cracks may occur around the rivet insertion hole 56 of the mounting tube 54, or the rivet 55 may be damaged.
本考案は、背もたれ板の左右両側下部に、上下
方向を向き、かつ中央部以上の側面要所に突片を
突設した背もたれ支杆の中央部以上を、相互回動
不能に埋設し、背もたれ支杆の下部の露出部を、
椅子の後部左右両側に設けた、上向パイプ状の取
付部に嵌合して適宜止着するようにして、上述の
問題点の解決を図つたものである。
In the present invention, the backrest supports are embedded in the lower part of the left and right sides of the backrest plate, facing in the vertical direction, and having projecting pieces projecting from the side surfaces above the center part, so that they cannot rotate relative to each other. The exposed lower part of the support rod,
The above-mentioned problem is solved by fitting into the upwardly directed pipe-shaped mounting portions provided on both the right and left sides of the rear portion of the chair and fixing the chair as appropriate.
本考案の装置においては、背もたれ支杆の上部
に設けた強固な突片が、背もたれ板と広い面積を
もつて深く係合しているので、背もたれ板が、中
央部に負荷された後向荷重により撓んでも、背も
たれ板や突片が破損することはない。
In the device of the present invention, the strong protruding piece provided at the top of the backrest support rod is deeply engaged with the backrest plate over a wide area, so that the backrest plate is able to absorb the backward load applied to the central part. The backrest plate and the protruding pieces will not be damaged even if they are bent.
第４図と第５図は、本考案を適用したパイプ椅
子を示すもので、互いに平行をなす左右１対をな
す方形枠状の金属パイプ製の脚枠１，１上には、
座板２が架設され、かつ各脚枠１の後脚杆３の上
端より、座板２の上方に突出する取付部３ａに
は、背もたれ４が取付けられている。
FIGS. 4 and 5 show a pipe chair to which the present invention is applied. On a pair of left and right rectangular frame-shaped metal pipe leg frames 1, 1 that are parallel to each other,
A backrest 4 is attached to a mounting portion 3a on which the seat plate 2 is constructed and which projects upward from the upper end of the rear leg lever 3 of each leg frame 1.
第１図乃至第３図に示すように、背もたれ４
は、金属パイプ製の背もたれ支杆５と、合成樹脂
製のと背もたれ板６とにより形成されている。 As shown in FIGS. 1 to 3, the backrest 4
is formed by a backrest support rod 5 made of metal pipe and a backrest plate 6 made of synthetic resin.
上下方向を向く背もたれ支杆５は、前記取付部
３ａに内嵌しうる外径を有し、その上部と中央部
には、プレス加工により、それぞれ凹入部７，７
と、各凹入部７を挾んで上下に並ぶ１対の突片
８，８が形成されている。 The backrest support rod 5 facing in the vertical direction has an outer diameter that can be fitted into the mounting portion 3a, and has recessed portions 7, 7 formed in its upper and center portions by press processing, respectively.
A pair of protrusions 8, 8 are formed which are arranged vertically with each recessed portion 7 in between.
背もたれ板６は、硬質合成樹脂をブロー成型し
たもので、その成型時、その左右両側下部に、前
記背もたれ支杆５の中央部以上が、突片８同士を
ほぼ対向させて埋設される。 The backrest plate 6 is made of hard synthetic resin by blow molding, and when molded, the central part or more of the backrest support rod 5 is buried in the lower part of both left and right sides with the projecting pieces 8 substantially facing each other.
背もたれ板６の後板６ａにおける背もたれ支杆
５の凹入部７に相当する個所には、補強を兼ねる
凹入孔９が形成され、前記突片８は、凹入孔９と
背もたれ板６の前板６ｂの間に挾持されている。 A recessed hole 9 that also serves as reinforcement is formed in the rear plate 6a of the backrest plate 6 at a location corresponding to the recessed part 7 of the backrest support rod 5. It is held between the plates 6b.
このようにして形成された背もたれ４は、その
背もたれ支杆５の下部の露出部５ａを、後脚杆３
の取付部３ａに内嵌して適宜止着することによ
り、脚枠１に取付けられている。 The backrest 4 formed in this way has the lower exposed portion 5a of the backrest support rod 5 connected to the rear leg rod 3.
It is attached to the leg frame 1 by fitting it into the attachment part 3a of the frame and fixing it appropriately.
第６図と第７図は、背もたれ支杆の他の例を示
すもので、両図に示す背もたれ支杆２１の側面に
は、上記凹入部７と突片８に代えて、長方形板状
の突片２２が、放射方向に向けて溶着されてい
る。 Figures 6 and 7 show other examples of the backrest support rod, and the backrest support rod 21 shown in both figures has a rectangular plate-like structure on the side surface instead of the recess 7 and protrusion 8. Projecting pieces 22 are welded in the radial direction.
〔考案の効果〕
本考案の背もたれは、リベツトより著しく大き
く、かつ強固な複数の突片、あるいは突片と凹入
部が、背もたれ板に、広い面積で深く係合してい
るので、背もたれ板が、中央部に受ける後向荷重
により撓んでも、背もたれ板や突片が破損するこ
とはなく、背もたれの後脚枠への取付けは至極簡
単であり、また両者は、金属パイプ同士が嵌合す
ることにより結合されているので、破損の恐れは
ない。[Effects of the invention] In the backrest of the present invention, the plurality of protruding pieces, which are significantly larger and stronger than rivets, or the protruding pieces and the recessed parts are deeply engaged with the backrest plate over a wide area, so that the backrest plate is Even if the backrest plate or protrusion is bent due to the backward load applied to the central part, the backrest plate and protrusion will not be damaged, and the installation of the backrest to the rear leg frame is extremely easy, and the metal pipes of both parts fit together. There is no risk of damage as they are bonded together.
第１図は、本考案を適用したパイプ椅子の要部
横断平面図、第２図は、第１図のＡ−Ａ線におけ
る断面図、第３図は、第１図のＢ−Ｂ線における
断面図、第４図は、本考案を適用したパイプ椅子
の正面図、第５図は、同じく側面図、第６図は、
背もたれ支杆の他の例を示す正面図、第７図は、
第６図のＣ−Ｃ線における断面図、第８図は、従
来のパイプ椅子の一例を示す正面図、第９図は、
第８図のＤ−Ｄ線における拡大断面図である。
１……脚杆、２……座板、３……後脚杆、３ａ
……取付部、４……背もたれ、５……背もたれ支
杆、５ａ……露出部、６……背もたれ板、６ａ…
…後板、６ｂ……前板、７……凹入部、８……突
片、９……凹入孔、２１……背もたれ支杆、２２
……突片、５１……脚、５２……座板、５３……
背もたれ、５４……取付筒、５５……リベツト、
５６……挿通孔。
Fig. 1 is a cross-sectional plan view of the main part of a pipe chair to which the present invention is applied, Fig. 2 is a sectional view taken along line A-A in Fig. 1, and Fig. 3 is a cross-sectional view taken along line B-B in Fig. 1. A sectional view, FIG. 4 is a front view of a pipe chair to which the present invention is applied, FIG. 5 is a side view, and FIG.
FIG. 7 is a front view showing another example of the backrest support rod.
6 is a sectional view taken along the line C-C, FIG. 8 is a front view showing an example of a conventional pipe chair, and FIG. 9 is a
FIG. 9 is an enlarged sectional view taken along line DD in FIG. 8; 1... Leg lever, 2... Seat plate, 3... Rear leg lever, 3a
...Mounting portion, 4...Backrest, 5...Backrest support rod, 5a...Exposed portion, 6...Backrest plate, 6a...
... Rear plate, 6b ... Front plate, 7 ... Recessed part, 8 ... Projection piece, 9 ... Recessed hole, 21 ... Backrest support rod, 22
... protrusion, 51 ... leg, 52 ... seat plate, 53 ...
Backrest, 54...Mounting tube, 55...Rivets,
56...Insertion hole.
Claims (1)
下方向を向き、かつ中央部以上の側面要所に突片
を突設した金属パイプ製の背もたれ支杆の中央部
以上を、相互回動不能に埋設し、背もたれ支杆の
下部の露出部を、椅子の後部左右両側における金
属パイプ製の脚枠における上向きの取付部に嵌合
して適宜止着してなる椅子の背もたれ取付装置。 The metal pipe backrest support bars, which are made of metal pipes and have projecting pieces at key points on the sides of the synthetic resin backrest plate, facing up and down, at the bottom of the left and right sides of the synthetic resin backrest plate, are made so that the parts above the center cannot rotate relative to each other. A chair backrest mounting device in which the lower exposed parts of the backrest support rods are fitted into upward mounting parts of metal pipe leg frames on both left and right sides of the rear part of the chair to be properly fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15644684U JPH023329Y2 (en) | 1984-10-18 | 1984-10-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15644684U JPH023329Y2 (en) | 1984-10-18 | 1984-10-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6173253U JPS6173253U (en) | 1986-05-17 |
| JPH023329Y2 true JPH023329Y2 (en) | 1990-01-25 |
Family
ID=30714451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15644684U Expired JPH023329Y2 (en) | 1984-10-18 | 1984-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH023329Y2 (en) |
-
1984
- 1984-10-18 JP JP15644684U patent/JPH023329Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6173253U (en) | 1986-05-17 |
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