JPS6326646B2 - - Google Patents
Info
- Publication number
- JPS6326646B2 JPS6326646B2 JP59119848A JP11984884A JPS6326646B2 JP S6326646 B2 JPS6326646 B2 JP S6326646B2 JP 59119848 A JP59119848 A JP 59119848A JP 11984884 A JP11984884 A JP 11984884A JP S6326646 B2 JPS6326646 B2 JP S6326646B2
- Authority
- JP
- Japan
- Prior art keywords
- table board
- chair
- attached
- fitting
- recess
- 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
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
- A47C7/62—Accessories for chairs
- A47C7/68—Arm-rest tables ; or back-rest tables
- A47C7/70—Arm-rest tables ; or back-rest tables of foldable type
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本願は、特に劇場などに設置される肘掛付固定
椅子の側壁部に取付けて、不使用時に卓板が側壁
面に垂直状に納めることができるようにした卓板
の取付装置に関する。[Detailed Description of the Invention] Industrial Application Field The present application is particularly designed to be attached to the side wall of a fixed chair with armrests installed in a theater or the like so that the table plate can be stored perpendicularly to the side wall surface when not in use. This invention relates to a mounting device for a table board.
従来の技術
従来、劇場などに設置される肘掛付固定椅子に
おいて、着席の状態でメモ書きを行つたり、携帯
品を載置したりする場合に便利なように、不使用
時には卓板が椅子の側壁面に垂直状に納めること
ができ、使用時には卓板を垂直状態で約180度回
転したのち、内側に水平状態に伏倒することがで
きる構成の椅子における卓板の取付装置は公知で
ある。Conventional technology Conventionally, in fixed chairs with armrests installed in theaters, etc., the tabletop was folded into the chair when not in use, making it convenient for writing notes or placing personal belongings while seated. There is a known mounting device for a table plate in a chair that can be stored vertically on the side wall of a chair, and when in use, the table plate can be rotated approximately 180 degrees in a vertical position and then folded inward to a horizontal position. be.
発明が解決しようとする問題点
本願はこのような構成の卓板の取付装置におい
て、卓板が椅子の側壁に納められる不使用状態に
おいて、卓板が乱りに水平方向に開く惧れをなく
すると共に、卓板が椅子の前方に水平状態に伏倒
した使用状態において卓板に作用する荷重に充分
耐えるようにすると共に、この状態での卓板の不
要な回転を阻止し、安定した卓板の使用ができる
ように構成したものである。Problems to be Solved by the Invention The present application provides a table plate mounting device having such a structure, which eliminates the possibility that the table plate will open horizontally in a disorderly manner when the table plate is not in use and is stored in the side wall of a chair. At the same time, it is designed to sufficiently withstand the load that is applied to the table board when the table board is horizontally laid down in front of the chair, and to prevent unnecessary rotation of the table board in this state, resulting in a stable table. It is constructed so that a board can be used.
問題点を解決するための手段
即ち本願は、椅子の側壁に取付けられ、かつ内
面に、外周一部がカツトされた切円形状の嵌合軸
部を有した固定部材に、内面に嵌合凹部を有し、
外周一部に切欠凹部を有した回転部材を、その嵌
合凹部に前記嵌合軸部が嵌合して回転するように
連結すると共に、前記切欠凹部に、卓板下面に取
付けた支持部材の取付軸部を起伏自在に取付け、
前記回転部材には、前記切欠凹部から嵌合凹部に
達する垂直孔を設けて、この垂直孔に、常時外方
に弾圧されて頭部が前記取付軸部の外周面と摺接
する作用ピンを嵌挿し、前記取付軸部の外周面
に、卓板が水平状態に伏倒したときに、作用ピン
を押圧してその端面を前記嵌合軸部のカツト面に
圧接するカム面を形成したことを要旨とするもの
である。Means for Solving the Problems That is, the present application provides a fixing member that is attached to the side wall of a chair and has a fitting shaft portion in the shape of a cut circle with a part of the outer periphery cut off on the inner surface, and a fitting recess on the inner surface. has
A rotating member having a notched recess in a part of its outer periphery is connected so that the fitting shaft fits into the fitting recess and rotates, and a support member attached to the lower surface of the table board is connected to the rotating member in the notched recess. The mounting shaft can be mounted freely up and down,
The rotary member is provided with a vertical hole that reaches from the notch recess to the fitting recess, and a working pin is fitted into the vertical hole so that the head is constantly pressed outward and slides into contact with the outer circumferential surface of the mounting shaft. A cam surface is formed on the outer circumferential surface of the fitting shaft to press the working pin and press the end surface of the working pin to the cut surface of the fitting shaft when the table board is laid down horizontally. This is a summary.
実施例及び作用
椅子Ａは、背凭れ１と、その左右側部に設けた
上部に肘掛部２を有する側壁３と、座部４と、脚
台５とから成り、前記側壁内面に本願装置Ｂを介
して卓板Ｃが垂直状態で180度回転でき、かつ垂
直状態から水平状態に起伏動作できるように取付
けられている。Embodiments and Functions The chair A is composed of a backrest 1, a side wall 3 provided on the left and right sides thereof and having an armrest 2 at the upper part, a seat 4, and a leg stand 5, and the device B of the present application is mounted on the inner surface of the side wall. The table board C is mounted so that it can be rotated 180 degrees in a vertical position and can be raised and lowered from a vertical position to a horizontal position.
本願装置Ｂは、第６図に示すように、板片６
に、内面上周縁に沿つて半円状のリブ７を有する
と共に、中心部に前記リブ７と対向する上縁部を
カツト８′した切円形状の嵌合軸部８を膨出した
円形ボス部９を一体に設け、かつ中心にネジ孔１
０を有して成る固定部材１１と、第７図で示すよ
うに、内面に前記嵌合軸部８を嵌合する嵌合凹部
１２を形成すると共に、中心な通孔１３を穿ち、
かつ内面適所に前記リブ７の両端部７ａ，７ｂと
選択的に衝合するストツパー１４を設け、さらに
コ字状の切欠凹部１５を有する軸受部１６を外周
一部に延設し、前記切欠凹部１４の中心位置に、
突部１７を形成すると共に、その左右位置に、前
記嵌合凹部１２まで達する１対の段付き垂直孔１
８を穿設して成る回転部材１９と、卓板Ｃの下面
一隅に取付けた基板２０の端部に、前記切欠凹部
１５と嵌合して枢着軸２１により起伏自在に取付
けられ、かつ外周が、その回動支点からの距離を
異にした直交する２つのカム面P1，P2とから形
成されると共に、中心部に前記突部１７と係合す
る係合溝２２を有した取付軸部２３を一体に設け
て成る支持部材２４と、前記１対の垂直孔１８に
夫々嵌合され、かつ頭部２５が前記取付軸部２３
の外周カム面と当接するようにスプリング２６に
より常時外方に弾圧された１対の作用ピン２７と
から構成され、このように構成された本願装置Ｂ
の前記固定部材１１が、止ネジ２８によつて椅子
Ａの側壁３の内面に止着されると共に、この固定
部材１１の内面に、合成樹脂から成る介在リング
２９を介して回転部材１４の内面を重合し、この
回転部材１４の通孔１３に連結軸３０を挿通し
て、その先端ネジ部３０′を前記固定部材１１の
ネジ孔１０に螺合することにより、回転部材１４
を固定部材１１に対し回転可能に連結する。 As shown in FIG.
The circular boss has a semicircular rib 7 along the upper peripheral edge of the inner surface and has a truncated fitting shaft portion 8 with a cut 8' at the upper edge opposite to the rib 7 in the center. part 9 is integrally provided, and a screw hole 1 is provided in the center.
0, and as shown in FIG. 7, a fitting recess 12 into which the fitting shaft 8 is fitted is formed on the inner surface, and a central through hole 13 is bored.
In addition, stoppers 14 are provided at appropriate positions on the inner surface to selectively abut against both ends 7a and 7b of the rib 7, and a bearing portion 16 having a U-shaped notch 15 is provided extending on a part of the outer periphery. At the center position of 14,
A pair of stepped vertical holes 1 forming the protrusion 17 and reaching the fitting recess 12 are provided at the left and right positions of the protrusion 17.
A rotary member 19 formed by perforating a rotary member 8 and a base plate 20 attached to one corner of the lower surface of the table board C are fitted into the notch recess 15 and are attached to the rotary member 19 by a pivot shaft 21 so as to be able to rise and fall freely on the outer periphery. is formed from two orthogonal cam surfaces P 1 and P 2 having different distances from the rotation fulcrum, and has an engagement groove 22 in the center that engages with the protrusion 17. A support member 24 integrally provided with the shaft portion 23 is fitted into the pair of vertical holes 18, and a head 25 is fitted into the mounting shaft portion 23.
The device B of the present invention is composed of a pair of working pins 27 that are constantly pressed outward by a spring 26 so as to come into contact with the outer peripheral cam surface of the device B.
The fixing member 11 is fixed to the inner surface of the side wall 3 of the chair A by a set screw 28, and the inner surface of the rotating member 14 is attached to the inner surface of the fixing member 11 via an intervening ring 29 made of synthetic resin. The rotating member 14 is superimposed, the connecting shaft 30 is inserted into the through hole 13 of the rotating member 14, and the threaded end portion 30' of the connecting shaft 30 is screwed into the screw hole 10 of the fixing member 11.
is rotatably connected to the fixed member 11.
しかして第２，３図に示すように、卓板Ｃが椅
子Ａの側壁３の内面に垂直状に納められている不
使用状態においては、作用ピン２７の頭部２５
が、前記取付軸部２３の回動支点よりの距離が小
さいカム面P1に圧接し、従つてこの状態におい
ては、卓板Ｃは乱りに外方に開く惧れはない。 However, as shown in FIGS. 2 and 3, when the table board C is not in use and is housed vertically on the inner surface of the side wall 3 of the chair A, the head 25 of the working pin 27
However, the mounting shaft portion 23 comes into pressure contact with the cam surface P1 , which is located at a small distance from the rotational fulcrum, and therefore, in this state, there is no risk that the table board C will open outwards randomly.
次いでこの状態から卓板Ｃと共に回転部材１９
をほゞ180度回転して、第１図の仮想線イの位置
に導びいたのち、卓板Ｃを水平状態に伏倒する
と、第４，５図で示すように、作用ピン２７の頭
部２５は取付軸部２４の回動支点よりの距離が大
きいカム面P2により押圧されて、その端面２
７′が嵌合軸部８のカツト面８′に圧接する。従つ
てこの状態では、回転部材１９は固定部材１１に
対し乱りに回転する惧れはないし、嵌合軸部８と
嵌合凹部１２との嵌合により卓板Ｃに作用する荷
重を充分に支持することができる。なお卓板Ｃを
第１図仮想線イの状態から第４，５図で示すよう
に伏倒したとき、突部２７が係合溝２２と係合し
て、卓板Ｃの水平状態は保持される。 Next, from this state, the rotating member 19 is moved together with the table board C.
After rotating the table board C by approximately 180 degrees and guiding it to the position indicated by the imaginary line A in Fig. 1, when the table board C is laid down horizontally, the head of the working pin 27 as shown in Figs. The portion 25 is pressed by the cam surface P 2 which is located at a large distance from the rotational fulcrum of the mounting shaft portion 24, and the end surface 2
7' is pressed against the cut surface 8' of the fitting shaft portion 8. Therefore, in this state, there is no risk that the rotating member 19 will rotate irregularly relative to the fixed member 11, and the load acting on the table board C can be sufficiently absorbed by the fitting between the fitting shaft portion 8 and the fitting recess 12. can be supported. Note that when the table board C is laid down as shown in FIGS. 4 and 5 from the state shown by the imaginary line A in FIG. be done.
また本願実施例において、卓板Ｃの椅子Ａの側
壁内面に納めるようにしたので、卓板Ｃを椅子Ａ
の側壁外面に納めるように構成した場合のよう
に、隣接する着席者に迷惑をかけることなく、自
己の座席内で卓板の取扱操作ができるという利点
を有する。 In addition, in the embodiment of the present application, the table board C is housed inside the side wall of the chair A.
This has the advantage that the table board can be handled and operated within one's own seat without disturbing adjacent seated persons, as in the case where the table board is configured to be housed on the outer surface of the side wall of the seat.
発明の効果
以上のように本願によれば、卓板が不使用状態
で乱りに起伏動作する惧れや、使用状態で乱りに
回動する惧れはなく、卓板の安定した使用ができ
ると共に、卓板に作用する荷重にも充分耐えるこ
とができるという利点を有する。Effects of the Invention As described above, according to the present application, there is no risk that the table board will move up and down in an irregular manner when it is not in use, or that it will rotate in an irregular manner when it is in use, and the table board can be used stably. It also has the advantage of being able to sufficiently withstand the load acting on the table board.
図面は本願の実施例を示すもので、第１図は使
用態様を示す斜視図、第２図は不使用状態におけ
る要部の側面図、第３図はその−線断面図、
第４図は使用状態における要部の側面図、第５図
はその−線断面図、第６図は固定部材の内面
図、第７図は回転部材の外面図である。
図中Ａは椅子、３は側壁、８′はカツト面、８
は嵌合軸部、１１は固定部材、１２は嵌合凹部、
１５は切欠凹部、１８は垂直孔、１９は回転部
材、２３は取付軸部、２４は支持部材、２５は頭
部、２６はスプリング、２７は作用ピン、P1，
P2はカム面、Ｃは卓板である。
The drawings show an embodiment of the present application, and FIG. 1 is a perspective view showing how it is used, FIG. 2 is a side view of the main part in a state of non-use, and FIG. 3 is a cross-sectional view taken along the line -
FIG. 4 is a side view of the main parts in a state of use, FIG. 5 is a cross-sectional view taken along the line 5, FIG. 6 is an inner view of the fixed member, and FIG. 7 is an outer view of the rotating member. In the figure, A is the chair, 3 is the side wall, 8' is the cut surface, 8
is a fitting shaft portion, 11 is a fixing member, 12 is a fitting recess,
15 is a notched recess, 18 is a vertical hole, 19 is a rotating member, 23 is a mounting shaft, 24 is a support member, 25 is a head, 26 is a spring, 27 is an action pin, P 1 ,
P 2 is the cam surface, and C is the table board.
Claims (1)
一部がカツトされた切円形状の嵌合軸部を有した
固定部材に、内面に嵌合凹部を有し、外周一部に
切欠凹部を有した回転部材を、前記嵌合凹部に前
記嵌合軸部が嵌合して回転するように連結すると
共に、前記切欠凹部に、卓板下面に取付けた支持
部材の取付軸部を起伏自在に取付け、前記回転部
材には、前記切欠凹部から嵌合凹部に達する垂直
孔を設けて、この垂直孔に、常時外方に弾圧され
て頭部が前記取付軸部の外周面と摺接する作用ピ
ンを嵌挿し、前記取付軸部の外周面に、卓板が水
平状態に伏倒したときに、作用ピンを押圧してそ
の端面を前記嵌合軸部のカツト面に圧接するカム
面を形成したことを特徴とする椅子における卓板
の取付装置。 ２ 固定部材を、椅子の側壁内面に取付けて成る
特許請求の範囲第１項記載の椅子における卓板の
取付装置。 ３ 垂直孔を、左右位置に２個設け、夫々に作用
ピンを嵌挿して成る特許請求の範囲第１項または
第２項記載の椅子における卓板の取付装置。[Scope of Claims] 1. A fixing member that is attached to the side wall of the chair and has a truncated circular fitting shaft portion with a part of the outer periphery cut out on the inner surface, a fitting recess on the inner surface, and an outer circumference. A rotating member having a notched recess in a circumferential portion thereof is connected so that the fitting shaft fits into the fitting recess and rotates, and a support member attached to the lower surface of the table board is attached to the notched recess. The shaft portion is mounted so as to be able to rise and fall freely, and the rotary member is provided with a vertical hole that reaches from the notch recess to the fitting recess, and the head is constantly pressed outward into the vertical hole so that the head is attached to the outer periphery of the mounting shaft portion. A working pin that comes into sliding contact with the surface is inserted into the outer peripheral surface of the mounting shaft, and when the table board is laid down horizontally, the working pin is pressed and its end surface is pressed into contact with the cut surface of the fitting shaft. A device for attaching a table board to a chair, characterized in that a cam surface is formed. 2. A device for attaching a table board to a chair according to claim 1, wherein the fixing member is attached to the inner surface of the side wall of the chair. 3. A device for attaching a table board to a chair according to claim 1 or 2, wherein two vertical holes are provided at left and right positions, and working pins are inserted into each of the vertical holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59119848A JPS61311A (en) | 1984-06-13 | 1984-06-13 | Table panel attachment apparatus in chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59119848A JPS61311A (en) | 1984-06-13 | 1984-06-13 | Table panel attachment apparatus in chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61311A JPS61311A (en) | 1986-01-06 |
| JPS6326646B2 true JPS6326646B2 (en) | 1988-05-31 |
Family
ID=14771762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59119848A Granted JPS61311A (en) | 1984-06-13 | 1984-06-13 | Table panel attachment apparatus in chair |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61311A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02138041A (en) * | 1988-11-17 | 1990-05-28 | Mita Ind Co Ltd | Sheet supply device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0717573Y2 (en) * | 1989-06-27 | 1995-04-26 | 株式会社東洋シート | Table device for vehicle seat |
-
1984
- 1984-06-13 JP JP59119848A patent/JPS61311A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02138041A (en) * | 1988-11-17 | 1990-05-28 | Mita Ind Co Ltd | Sheet supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61311A (en) | 1986-01-06 |
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