JPH0123314Y2

JPH0123314Y2 -

Info

Publication number: JPH0123314Y2
Application number: JP18863184U
Authority: JP
Priority date: 1984-12-11
Filing date: 1984-12-11
Publication date: 1989-07-18
Also published as: JPS61102145U

Description

【考案の詳細な説明】産業上の利用分野この考案は、たとえば学習机あるいは食卓テー
ブル等に使用される椅子に関する。[Detailed Description of the Invention] Industrial Application Field This invention relates to a chair used for, for example, a study desk or a dining table.

従来の技術従来、この種の椅子として、例えば実開昭58−
34655号に示されるように、各１対の前後脚部を
有する左右の支持枠体と、その前後脚部に列設さ
れた上下方向に複数個の固定ボルト挿通孔の任意
高さのものを貫通する左右に１対の固定ボルトに
より前記支持枠体に高さ調節自在に固着された座
板と、前記後脚部間に固着された背もたれ板とよ
りなる型式の椅子が知られている。BACKGROUND TECHNOLOGY Conventionally, as this type of chair, for example,
As shown in No. 34655, a left and right support frame each having a pair of front and rear legs, and a plurality of fixing bolt insertion holes arranged in a row in the front and rear legs in the vertical direction, each having an arbitrary height. A type of chair is known that includes a seat plate fixed to the support frame in a height-adjustable manner by a pair of fixing bolts extending through the support frame on the left and right sides, and a backrest plate fixed between the rear legs.

この種の椅子は構造が簡単でしかも座板の高さ
を任意に変更しうるという長所を有する。 This type of chair has the advantage of a simple structure and the height of the seat plate can be changed arbitrarily.

考案が解決しようとする問題点ところが、座板の有効奥行き、即ち、座板の前
端から背もたれ板までの距離が一定であるため、
例えば、使用者が子供である場合、その者の背と
背もたれ板との間が広すぎて、背もたれ板が有効
使用できないような場合がある。もし、使用しよ
うとすれば不自然な姿勢にならざるを得ず、ひい
ては疲れ易く、また悪い姿勢で座る習慣までつく
恐れがあつた。Problems to be solved by the invention However, since the effective depth of the seat plate, that is, the distance from the front edge of the seat plate to the backrest plate, is constant,
For example, if the user is a child, the distance between the user's back and the backrest plate may be so wide that the backrest plate cannot be used effectively. If you tried to use it, you would be forced to take an unnatural posture, which would make you tired easily, and there was a risk that you might even get into the habit of sitting in a bad posture.

もつとも、このような問題は座板の有効奥行を
調節可能なものとすることによつて解消されうる
が、この型式の椅子において、座板に対する背も
たれ板の位置を前後方向に変更しうるようにした
り、あるいは座板を支持枠体に対して前後方向に
移動しうるようにすることは、椅子全体の構造を
複雑にし、製造コストの高騰や強度の低下を招く
という問題点が派生し、到底採用しうるものでは
なかつた。 Of course, this problem can be solved by making the effective depth of the seat plate adjustable, but in this type of chair, the position of the backrest plate relative to the seat plate can be changed in the front-back direction. Alternatively, making the seat plate movable in the front and rear directions with respect to the support frame would complicate the overall structure of the chair, leading to increased manufacturing costs and reduced strength, which would be impossible to achieve. It was not something that could be adopted.

そこで、この考案は、従来品と同様の簡単な構
造でありながら、座板の有効奥行を調節すること
ができて、使用者の体形に応じた好適な着座姿勢
を得られるようにした椅子を提供することを目的
とする。 Therefore, we developed a chair that has the same simple structure as conventional products, but that allows the effective depth of the seat plate to be adjusted, allowing the user to obtain a sitting posture suitable for their body shape. The purpose is to provide.

問題点を解決するための手段而して、この考案は座板の両側面部に設けられ
る固定ボルト螺合用の１対の雌ねじ孔を、座板の
奥行き方向に対して前方または後方のいずれかの
方向に偏つて設けたものとし、該座板を前後反転
して取付けることによりその実質的な有効奥行長
さを２段階に変更可能にしたものである。Means for Solving the Problems This invention provides a pair of female threaded holes for screwing fixing bolts provided on both sides of the seat plate to either the front or rear side with respect to the depth direction of the seat plate. By installing the seat plate by reversing it from front to back, its effective depth can be changed in two stages.

即ち、この考案は各１対の前後脚部４，５を有
する左右の支持枠体１，１と、前記前後脚部４，
５を貫通する左右に各１対の固定ボルト６，６に
より両側面部２ａ，２ａを前記支持枠体１，１に
固着された座板２と、左右の後脚部５，５間に適
宜手段で固着された背もたれ板３とを有する椅子
において、前記座板２の両側面部２ａ，２ａに設けられた
前記固定ボルト螺合用の１対の雌ねじ孔１１，１
１が、座板２の奥行方向に対して前方または後方
のいずれかの方向に偏在されており、前記座板２
の前後を反転して取付けることにより該座板２の
前記背もたれ板３に対する設定位置を前後方向に
変位せしめうるようになされていることを特徴と
するものである。 That is, this invention includes left and right support frames 1, 1 each having a pair of front and rear legs 4, 5, and the front and rear legs 4, 5.
Appropriate means is provided between the seat plate 2 whose both side surfaces 2a, 2a are fixed to the support frames 1, 1 by a pair of left and right fixing bolts 6, 6 passing through the seat plate 2, and the left and right rear legs 5, 5. A pair of female screw holes 11, 1 for screwing the fixing bolts provided on both side surfaces 2a, 2a of the seat plate 2.
1 is unevenly distributed in either the front or rear direction with respect to the depth direction of the seat plate 2, and the seat plate 2
It is characterized in that the setting position of the seat plate 2 relative to the backrest plate 3 can be displaced in the front-rear direction by attaching the seat plate 2 with the front and rear sides reversed.

実施例以下、この考案を図示実施例に基づいて説明す
る。Embodiments Hereinafter, this invention will be explained based on illustrated embodiments.

この実施例に示す椅子は、左右の支持枠体１，
１間に、座板２と背もたれ板３とが固着されたも
のである。 The chair shown in this embodiment has left and right support frames 1,
1, a seat plate 2 and a backrest plate 3 are fixed to each other.

支持枠体１，１は、第１図に示すように、前脚
部４とそれより長い後脚部５が略平行状に配設さ
れると共に、この両脚部４，５が上下の水平横桟
７，８により連結されたもので、前記前脚部４の
上部およびそれに対応する後脚部５の部分にそれ
ぞれ複数個の固定ボルト挿通孔１０が上下方向に
所定間隔おきに列設されている。そして、該枠体
１が左右に１対配置され、前記後脚部５の上部５
ａに背もたれ板３がその両側面をねじ９，９によ
り固着されると共に、前記前後脚部４，５の下部
が前後の横支持桟１２，１２によつてそれぞれ連
結されている。 As shown in FIG. 1, the support frames 1, 1 have a front leg portion 4 and a longer rear leg portion 5 disposed substantially parallel to each other, and both leg portions 4, 5 are connected to upper and lower horizontal horizontal bars. 7 and 8, and a plurality of fixing bolt insertion holes 10 are arranged vertically at predetermined intervals in the upper part of the front leg part 4 and the corresponding part of the rear leg part 5, respectively. A pair of frames 1 are arranged on the left and right, and the upper part 5 of the rear leg part 5 is
A backrest plate 3 is fixed to both side surfaces thereof by screws 9, 9, and the lower portions of the front and rear legs 4, 5 are connected by front and rear horizontal support bars 12, 12, respectively.

そして、前記支持枠体１，１間には、座板２が
任意の高さ位置の前記固定ボルト挿通孔１０に挿
通された、左右に各１対の固定ボルト６，６を座
板２の左右両側面部２ａ，２ａに設けられた１対
の固定ボルト螺合用の雌ねじ孔１１，１１に螺合
することによつて、その両側面部２ａ，２ａ前記
支持枠体１，１に固着されている。 Between the support frames 1, 1, a pair of fixing bolts 6, 6 on the left and right sides of the seat plate 2 are inserted into the fixing bolt insertion holes 10 at an arbitrary height position of the seat plate 2. Both left and right side parts 2a, 2a are fixed to the support frames 1, 1 by screwing into female screw holes 11, 11 for screwing in a pair of fixing bolts provided on both left and right side parts 2a, 2a. .

前記１対の雌ねじ孔１１，１１は、第２図に示
すように、前記座板２の奥行方向に対して後方寄
りに偏在して設けられているものである。即ち座
板２の奥行方向の中央から前方の雌ねじ孔１１ま
での距離l₁と、後方の雌ねじ孔１１までの距離l₂
とがl₁＜l₂なる関係を満たすように、座板２の左
右両側面部２ａ，２ａに各１対の雌ねじ孔１１，
１１が設けられている。而して、前記座板２が前
記支持枠体１，１に取付けられた状態は、第１図
に示すように、座板２の有効奥行の長いものとな
つている。ここで、前記座板２の前後を反転して
取付ければ、第３図に示すように、座板２の有効
奥行の短いものとなる。即ち、座板２の前後方向
を反転して取付けることによつて、座板２の前記
背もたれ板３に対する設定位置を実質的に前後方
向に２段階に変更せしめうるようになつている。 As shown in FIG. 2, the pair of female screw holes 11, 11 are provided so as to be unevenly distributed toward the rear with respect to the depth direction of the seat plate 2. That is, the distance l 1 from the center of the depth direction of the seat plate 2 to the female threaded hole 11 at the front, and the distance l ₂ from the center of the seat plate 2 in the depth direction to the female threaded hole ₁₁ at the rear.
A pair of internally threaded holes 11 are provided in each of the left and right side surfaces 2a, 2a of the seat plate 2 so that the relationship l ₁ <l ₂ is satisfied.
11 are provided. Thus, when the seat plate 2 is attached to the support frames 1, 1, the effective depth of the seat plate 2 is long, as shown in FIG. If the seat plate 2 is attached with the front and rear sides reversed, the effective depth of the seat plate 2 will be shortened, as shown in FIG. 3. That is, by attaching the seat plate 2 with its front and back directions reversed, the set position of the seat plate 2 relative to the backrest plate 3 can be changed substantially in two steps in the front and rear direction.

考案の効果この考案は、前述のように、座板の両側面部に
設けられた、固定ボルト螺合用の１対の雌ねじ孔
が、座板の奥行方向に対して前方または後方のい
ずれかの方向に偏在されてなるものであり、この
雌ねじ孔に、支持枠体を構成する前後脚部を貫通
する左右に各１対の固定ボルトが螺合されて、座
板がその両側面部を前記支持枠体に固着されてな
るものであるから、この座板を前後反転して取付
けることにより、前記後脚部に固着された背もた
れ板に対する座板の設定位置を前後方向に変位せ
しめることができ、実質的に座板の有効奥行を変
更することができる。したがつて、子供から大人
に亘るまでの使用者の体形、特に低学年から高学
年に至る成長期にある学童の体形に応じた、より
好適な着座姿勢が得られる状態で実用に供するこ
とができる。Effects of the invention As mentioned above, this invention has a pair of female threaded holes for screwing fixing bolts provided on both sides of the seat plate in either the front or rear direction with respect to the depth direction of the seat plate. A pair of left and right fixing bolts passing through the front and rear legs constituting the support frame are screwed into these female screw holes, and the seat plate connects both side surfaces of the support frame to the support frame. Since it is fixed to the body, by reversing the seat plate back and forth and attaching it, the set position of the seat plate relative to the backrest plate fixed to the rear leg portion can be displaced in the front and back direction, and in effect You can change the effective depth of the seat plate. Therefore, it can be put to practical use in a state where a more suitable sitting posture can be obtained according to the body shape of users ranging from children to adults, especially the body shape of school children in the growing period from lower grades to upper grades. .

しかも、各１対の前後脚部を有する左右の支持
枠体と、前記前後脚部を貫通する左右に各１対の
固定ボルトにより、両側面部を前記支持枠体に固
着された座板と、左右の後脚部間に適宜手段で固
着された背もたれ板とを有するものであり、別途
何等特別な装置等を必要としないものであるか
ら、従来品と同様に構造が極めて簡単で、しかも
製造が容易である。したがつて、安価に提供しう
るのみならず、強度的にも優れたものとしうる。 Moreover, the left and right support frames each have a pair of front and rear legs, and the seat plate has both side surfaces fixed to the support frame by a pair of left and right fixing bolts that pass through the front and rear legs. It has a backrest plate fixed by appropriate means between the left and right rear legs, and does not require any special equipment, so it has an extremely simple structure and is easy to manufacture like conventional products. is easy. Therefore, it can not only be provided at low cost but also have excellent strength.

[Brief explanation of the drawing]

図面はこの考案の実施例を示すものであり、第
１図は全体斜視図、第２図は座板の全体斜視図、
第３図は座板を前後反転して取付ける途上を示す
全体斜視図である。１……支持枠体、２……座板、２ａ……座板の
側面部、３……背もたれ板、４……前脚部、５…
…後脚部、６……固定ボルト、１１……雌ねじ
孔。 The drawings show an embodiment of this invention; FIG. 1 is an overall perspective view, FIG. 2 is an overall perspective view of the seat plate,
FIG. 3 is an overall perspective view showing the process of attaching the seat plate by reversing it back and forth. DESCRIPTION OF SYMBOLS 1... Support frame body, 2... Seat plate, 2a... Side part of seat plate, 3... Backrest plate, 4... Front leg part, 5...
...Rear leg, 6...Fixing bolt, 11...Female screw hole.

Claims

[Claims for Utility Model Registration] Left and right support frames 1, 1 each having a pair of front and rear legs 4, 5; a pair of left and right fixing bolts 6 passing through the front and rear legs 4, 5; Both side parts 2 by 6
a, 2a fixed to the support frames 1, 1; and a backrest plate 3 fixed between the left and right rear leg parts 5, 5 by appropriate means; A pair of female screw holes 11, 1 for screwing the fixing bolt provided on both side surfaces 2a, 2a.
1 is unevenly distributed in either the front or rear direction with respect to the depth direction of the seat plate 2, and the seat plate 2
A chair characterized in that the set position of the seat plate 2 relative to the backrest plate 3 can be moved in the front-rear direction by attaching the seat plate 2 with the front and back reversed.