JPH09294636A - Wagon desk with elevating top board - Google Patents
Wagon desk with elevating top boardInfo
- Publication number
- JPH09294636A JPH09294636A JP11140496A JP11140496A JPH09294636A JP H09294636 A JPH09294636 A JP H09294636A JP 11140496 A JP11140496 A JP 11140496A JP 11140496 A JP11140496 A JP 11140496A JP H09294636 A JPH09294636 A JP H09294636A
- Authority
- JP
- Japan
- Prior art keywords
- top plate
- desk
- elevating
- finger
- top board
- 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.)
- Pending
Links
Landscapes
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、平机と組合せて使
用する昇降天板付きワゴンデスクに係わり、更に詳しく
は昇降天板を高さ調節する際の指詰め防止等の安全性と
操作性を高めた昇降天板付きワゴンデスクに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wagon desk with a lifting top used in combination with a flat desk, and more specifically, safety and operability such as preventing finger jamming when adjusting the height of the lifting top. Concerning a wagon desk with a lifting top plate that has improved height.
【０００２】[0002]
【従来の技術】従来、この種の移動可能なワゴンデスク
は、本体部に多段に引出しが設けられ、平机の両脚板間
の一方の脚板に接近させて配設して袖付きの机を構成
し、又は脚板の外側に設置して脇机として利用できるも
のであり、学童用の学習机においてはこの種の分離型の
ものが昨今の主流となっている。しかし、ワゴンデスク
の天板の高さを平机の両脚板間に収容できるような低い
状態に固定したものでは、平机の脚板の外側に配設して
脇机として利用する場合には、天板の高さが低過ぎて、
通常の用途では使い勝手が悪く、ワゴンデスクの天板は
主に書類等の物を載せるためや、机天板よりも多少高さ
が低い方が使い勝手が良いワードプロセッサ等のＯＡ機
器を載置するための載置台として使用されている。2. Description of the Related Art Conventionally, a movable wagon desk of this type is provided with a multi-tiered drawer in the main body, and is arranged close to one leg plate between both leg plates of a flat desk to provide a desk with sleeves. It can be configured or installed on the outside of the leg plate to be used as a side desk, and in the study desk for school children, a separate type of this kind has become the mainstream these days. However, if the height of the top plate of the wagon desk is fixed in a low state so that it can be accommodated between both leg plates of the flat desk, if it is used on the outside of the leg plate of the flat desk and used as a side desk, The top plate is too low,
It is not easy to use in normal use, because the top plate of the wagon desk is mainly used for holding documents and other objects, and it is easier to use OA devices such as word processors that are slightly lower than the desk top plate. It is used as a mounting table.
【０００３】そのため、ワゴンデスクの天板の高さを、
平机の両脚板間に配設できるような低い状態と、平机の
脚板の外側に配設して脇机として利用できるように、机
天板と同一高さの高い状態との二段階に設定できるよう
に、本体部に昇降天板をリンク式の昇降機構を介して連
結した構造のものが提供されるに至った。Therefore, the height of the top plate of the wagon desk is
There are two stages: a low state where it can be placed between both legs of a flat desk, and a high state where it is flush with the desk top so that it can be used outside as a side desk. In order to be able to set, a structure has been provided in which a lifting top plate is connected to the main body via a link-type lifting mechanism.
【０００４】しかし、従来のリンク式の昇降機構を有す
る昇降天板付きワゴンデスクは、昇降天板の高さを変更
中に不意に昇降天板が下降して、本体部と該昇降天板と
の間に指を詰める恐れがあるとともに、昇降天板の高さ
を維持するストッパーに不意に触れて解除されて前記同
様の問題が生じる可能性がある。特に、リンク式昇降機
構が本体部と昇降天板との間に露出した構造のものは、
リンク式昇降機構自体に対する指詰めの問題もある。一
方、ネジ式昇降機構による無段階の高さ調節が可能な構
造のものは、基本的に指詰めの危険性はないが、昇降天
板の高さ調節に長時間かかるので操作性において問題が
ある。However, in the conventional wagon desk with the lifting top plate having the link type lifting mechanism, the lifting top plate suddenly descends while changing the height of the lifting top plate, and the main body portion and the lifting top plate are There is a possibility that fingers may be stuffed between them, and a stopper that maintains the height of the lifting top plate may be inadvertently touched and released to cause the same problem as described above. Especially, the one with the link type lifting mechanism exposed between the main body and the lifting top plate,
There is also a problem of finger stuffing for the link type lifting mechanism itself. On the other hand, a screw-type lifting mechanism with a structure that allows stepless height adjustment basically has no risk of finger stuffing, but it takes a long time to adjust the height of the lifting top plate, so there is a problem in operability. is there.
【０００５】[0005]
【発明が解決しようとする課題】そこで、本発明が前述
の状況に鑑み、解決しようとするところは、平机の両脚
板間に配設して袖付きの机を構成できるとともに、脚板
の外側に設置して脇机として利用でき、昇降天板を高さ
調節する際の指詰め防止等の安全性と操作性を高めた昇
降天板付きワゴンデスクを提供する点にある。SUMMARY OF THE INVENTION In view of the above-mentioned situation, the present invention is to solve the problem that a desk with sleeves can be formed by disposing it between both leg plates of a flat desk, and the outside of the leg plates can be configured. It can be installed as a side desk and used as a side desk, and it is to provide a wagon desk with a lifting top plate that improves safety and operability such as preventing finger jamming when adjusting the height of the lifting top plate.
【０００６】[0006]
【課題を解決するための手段】本発明は、前述の課題解
決のために、平机の両脚板間又は脚板の外側に移動させ
て設置可能なワゴンデスクであって、本体部の固定天板
の上位に昇降機構の支持部材にて支持された昇降天板を
設けるとともに、該支持部材の下降規制用のストッパー
を係脱させる操作レバーを前記昇降天板の両側部下面側
に配し、昇降天板を最下降させた際に固定天板と昇降天
板との間に指詰め防止空間を確保すべく、前記操作レバ
ーに保高部を設けてなる昇降天板付きワゴンデスクを構
成したのである。このように、操作レバーによって指詰
め防止空間を確保したので、不意に昇降天板が最下降し
た場合であっても、昇降天板と固定天板との間に指を挟
み込んで怪我をする危険性がなくなる。In order to solve the above-mentioned problems, the present invention is a wagon desk that can be installed by moving between both leg plates of a flat desk or outside the leg plates, and is a fixed top plate of a main body. A lift table supported by a supporting member of the lifting mechanism is provided above the upper part of the elevator, and operation levers for engaging and disengaging stoppers for restricting the lowering of the support member are arranged on the lower surface sides of both sides of the lift table to move up and down. In order to secure a finger-stuffing prevention space between the fixed top plate and the lifting top plate when the top plate is fully lowered, the wagon desk with the lifting top plate is constructed by providing a holding part on the operation lever. is there. In this way, since the finger-holding prevention space is secured by the operating lever, even if the lift top plate unexpectedly descends to the maximum, there is a risk of injury by pinching your fingers between the lift top plate and the fixed top plate. There is no sex.
【０００７】また、前記操作レバーは、下方開放した指
掛部を上端部に形成するとともに、該指掛部の内奥側に
前記保高部を形成し、前記昇降天板を最下降させた際
に、前記指掛部、保高部及び固定天板とで側方開放した
指詰め防止空間を確保するものである。Further, the operation lever has a finger-holding portion opened downward and an upper end portion, and the holding portion is formed inside and inside of the finger-holding portion so that the elevating top plate is lowered to the maximum. At this time, the finger-holding portion, the height-retaining portion, and the fixed top plate secure a finger-filling prevention space that is opened laterally.
【０００８】そして、前記昇降機構が、互いに同調して
昇降する左右一対の単位昇降機構からなり、両側部の前
記操作レバーが、各単位昇降機構のそれぞれに独立的に
設けた下降規制用のストッパーを係脱させるものである
ことが好ましい。両側部の操作レバーを持ってストッパ
ーを解除し、その状態で昇降天板を昇降操作するので、
左右の力バランスが良くなってスムーズな操作性が得ら
れるとともに、不意に一方の操作レバーに触れて一方の
単位昇降機構のストッパーが解除されたとしても昇降天
板が不意に下降することがなく安全性が確保できる。The elevating mechanism is composed of a pair of left and right unit elevating mechanisms which ascend and descend in synchronization with each other, and the operation levers on both sides are stoppers for lowering the descent independently provided in each of the unit elevating mechanisms. It is preferable to disengage. Hold the operating levers on both sides to release the stopper, and in that state, raise and lower the top plate, so
The right and left force balance is improved and smooth operability is obtained, and even if the stopper of one unit lifting mechanism is released by accidentally touching one of the operating levers, the lifting top plate will not lower unexpectedly. Safety can be secured.
【０００９】更に好ましくは、前記単位昇降機構が、本
体部の側板肉厚内に組み込まれたラチェット式昇降機構
であり、前記支持部材が本体部の上端から直線的に昇降
するものである。従って、昇降天板の高さ調節が微小間
隔毎に多段階に行えるとともに、支持部材が本体部に対
して直線的に昇降するので、昇降機構自体に指を詰める
危険性がない。More preferably, the unit elevating mechanism is a ratchet type elevating mechanism incorporated in the thickness of the side plate of the main body, and the supporting member linearly elevates from the upper end of the main body. Therefore, since the height of the lifting / lowering top plate can be adjusted in multiple steps for each minute interval, and the supporting member moves up and down linearly with respect to the main body, there is no risk of stuffing the lifting / lowering mechanism itself with fingers.
【００１０】[0010]
【発明の実施の形態】次に添付図面に示した実施の形態
に基づき更に本発明の詳細を説明する。図１はワゴンデ
スク１を平机２の内部に設置して使用する状態を示し、
図２はワゴンデスク１を平机２の外部に並設して使用す
る状態を示している。BEST MODE FOR CARRYING OUT THE INVENTION Next, the details of the present invention will be described based on the embodiments shown in the accompanying drawings. FIG. 1 shows a state in which a wagon desk 1 is installed and used inside a flat desk 2,
FIG. 2 shows a state in which the wagon desk 1 is used side by side outside the flat desk 2.
【００１１】前記ワゴンデスク１は、本体部３の上端に
設けた固定天板４の上位に、ラチェット式の昇降機構５
にて支持された昇降天板６を設けたものであり、本体部
３には多段に引出し７，…を設けるとともに、下端には
複数のキャスター８，…を設けて移動可能となしてい
る。The wagon desk 1 is provided with a ratchet type lifting mechanism 5 above the fixed top plate 4 provided at the upper end of the main body 3.
Is provided with an elevating top plate 6 supported by, and the main body 3 is provided with a plurality of drawers 7, ... And a plurality of casters 8 ,.
【００１２】前記平机２は、机天板９の両側に脚板１
０，１０を有し、両脚板１０，１０間の上部であって、
机天板９の下面側に沿った左右に上段引出し１１，１１
を設け、両脚板１０，１０間の奥部で後幕板１２に沿っ
て棚１３を設けた通常構造のものである。The flat desk 2 has leg plates 1 on both sides of a desk top plate 9.
0,10, the upper part between both leg plates 10,10,
Upper drawers 11 and 11 on the left and right along the lower surface of the tabletop 9
Is provided, and a shelf 13 is provided along the trailing curtain plate 12 in the inner part between the two leg plates 10, 10.
【００１３】次に、前記ワゴンデスク１の昇降機構５を
含めた構造を図３〜図９に基づいて詳細に説明する。ワ
ゴンデスク１は、両側板１４，１４の上端間に前記固定
天板４を渡設し、両側板１４，１４のそれぞれの内部に
組み込んだ前記昇降機構５を構成する単位昇降機構５
Ａ，５Ｂの各支持部材１５，１５が該側板１４，１４の
上端から上方へ延び、Ｌ字状に内方へ曲がったその先端
部１５Ａに前後方向に配向した取付杆１６をそれぞれ固
着し、両取付杆１６，１６の上面に前記昇降天板６を載
置してネジ止め等の適宜な固定手段で取付けたものであ
る。左右の単位昇降機構５Ａ，５Ｂは、左右対称である
以外に構造的な相違はなく、特に左右で区別する必要が
ない場合には昇降機構５として説明する。Next, the structure of the wagon desk 1 including the lifting mechanism 5 will be described in detail with reference to FIGS. In the wagon desk 1, the fixed top plate 4 is provided between the upper ends of the both side plates 14 and 14, and the unit elevating mechanism 5 constituting the elevating mechanism 5 incorporated in each of the both side plates 14 and 14 is formed.
Each of the support members 15 and 15 of A and 5B extends upward from the upper ends of the side plates 14 and 14, and a mounting rod 16 oriented in the front-rear direction is fixed to the tip end portion 15A that is bent inward in an L shape, The elevating top plate 6 is placed on the upper surfaces of the two mounting rods 16 and 16 and is attached by an appropriate fixing means such as screwing. The left and right unit elevating mechanisms 5A and 5B have no structural difference except that they are bilaterally symmetric, and will be described as the elevating mechanism 5 unless it is necessary to distinguish between the left and right units.
【００１４】前記昇降機構５は、前記側板１４の後部寄
り位置に設けた縦溝１７（若しくは縦穴）内に、前記支
持部材１５の直線状の基部１５Ｂを上下動可能に配設す
るとともに、支持部材１５の基部１５Ｂの後縁に沿って
形成したラック１５Ｃを、前記縦溝１７内に水平な軸芯
回りに回転可能に配設した歯車部材１８のピニオン１８
Ａに噛合させ、支持部材１５の上下動（昇降）に伴って
歯車部材１８が回転するのである。ここで、左右の単位
昇降機構５Ａ，５Ｂの各歯車部材１８，１８は、本体部
３の収納空間に横設したシャフト１９の両端に軸芯が固
定されており、一体となって回転し、もって左右の支持
部材１５，１５は同調して上下動するのである。The elevating mechanism 5 disposes a linear base portion 15B of the supporting member 15 in a vertical groove 17 (or a vertical hole) provided at a position near the rear portion of the side plate 14 so as to be vertically movable, and supports the same. A rack 15C formed along the rear edge of the base portion 15B of the member 15 is arranged in the vertical groove 17 so as to be rotatable about a horizontal axis.
The gear member 18 is caused to mesh with A and the gear member 18 rotates as the support member 15 moves up and down (elevates). Here, the respective gear members 18, 18 of the left and right unit elevating mechanisms 5A, 5B have shafts fixed to both ends of a shaft 19 provided laterally in the accommodating space of the main body 3, and rotate integrally. Therefore, the left and right support members 15 and 15 move up and down in synchronization with each other.
【００１５】次に、前記昇降機構５を構成するストッパ
ー構造について説明する。このストッパー構造は、前記
歯車部材１８の回転を規制することによって、間接的に
支持部材１５の下降を規制するが、支持部材１５の上昇
は規制しない構造を例示している。前記歯車部材１８に
は、ピニオン１８Ａと並設してラチェット１８Ｂを一体
形成し、あるいは分離形成して回転に対して一体化し、
該ラチェット１８Ｂに本体部３に対して固定的な支軸２
０にて回動可能に設けた駒片２１の爪２１Ａを噛合し、
前記支持部材１５が下降する方向に対する歯車部材１８
の一方向回転のみ規制している。また、前記駒片２１
は、支軸２０を中心に前記爪２１Ａがラチェット１８Ｂ
に噛合する方向にコイルばね２２にて弾性付勢してい
る。また、支持部材１５を下動、即ち昇降天板６を下降
させるには、コイルばね２２の弾性付勢力に抗して前記
駒片２１を回動させて爪２１Ａをラチェット１８Ｂから
引き離し、歯車部材１８が自由回転できる状態にする。
この状態を本発明ではストッパーを解除した状態と定義
し、爪２１Ａをラチェット１８Ｂに噛合させたり、引き
離したりする操作を本発明ではストッパーを係脱すると
定義する。Next, the stopper structure constituting the lifting mechanism 5 will be described. This stopper structure exemplifies a structure in which the lowering of the support member 15 is indirectly regulated by regulating the rotation of the gear member 18, but the upward movement of the support member 15 is not regulated. On the gear member 18, a ratchet 18B is integrally formed in parallel with the pinion 18A, or is separately formed and integrated with respect to rotation.
A support shaft 2 fixed to the main body 3 on the ratchet 18B.
The claw 21A of the piece piece 21 rotatably provided at 0 is engaged,
Gear member 18 in the direction in which the support member 15 descends
Only one-way rotation is restricted. Also, the piece 21
Is the ratchet 18B with the pawl 21A centering on the support shaft 20.
The coil spring 22 elastically urges in the direction of meshing with. Further, in order to move the support member 15 downward, that is, to lower the elevating top plate 6, the piece piece 21 is rotated against the elastic biasing force of the coil spring 22 to separate the pawl 21A from the ratchet 18B, and the gear member 18 is ready for free rotation.
This state is defined as a state in which the stopper is released in the present invention, and an operation of engaging the claw 21A with the ratchet 18B or separating the claw 21A is defined as releasing the stopper in the present invention.
【００１６】そこで次に、ストッパーを解除する構造に
ついて説明する。前記支持部材１５の基部１５Ｂの内側
に沿って長尺板状の操作レバー２３を配設し、該操作レ
バー２３は前記昇降天板６の下面近傍から歯車部材１８
の近傍まで延びており、その下端部と中間部にそれぞれ
回動片２４の一端を支軸２４Ａにて枢着するとともに、
他端を支軸２４Ｂにて支持部材１５の基部１５Ｂに枢着
し、平行四辺形のリンク機構を構成している。ここで、
通常の状態では支軸２４Ａは支軸２４Ｂより下位に設定
し、即ち回動片２４が傾斜した状態に設定している。そ
して、操作レバー２３の上端に設けた指掛部２３Ａを持
ち上げて該操作レバー２３を上動させると、平行四辺形
のリンク機構を介して該操作レバー２３が平行移動し、
操作レバー２３の一側縁に形成した押圧片２３Ｂが前記
駒片２１の突片２１Ｂを押して、当該駒片２１をコイル
ばね２２の弾性付勢力に抗して回動させて、爪２１Ａを
ラチェット１８Ｂから引き離すのである。Then, the structure for releasing the stopper will be described below. A long plate-shaped operation lever 23 is arranged along the inner side of the base portion 15B of the support member 15, and the operation lever 23 extends from the vicinity of the lower surface of the lifting top plate 6 to the gear member 18.
Of the rotating piece 24 is pivotally attached to the lower end portion and the intermediate portion of the rotating piece 24 by a support shaft 24A.
The other end is pivotally attached to the base portion 15B of the support member 15 by a support shaft 24B to form a parallelogram link mechanism. here,
In a normal state, the support shaft 24A is set lower than the support shaft 24B, that is, the turning piece 24 is set in an inclined state. Then, when the finger hook portion 23A provided on the upper end of the operation lever 23 is lifted and the operation lever 23 is moved upward, the operation lever 23 moves in parallel via the parallelogram link mechanism,
A pressing piece 23B formed on one side edge of the operating lever 23 pushes the projecting piece 21B of the piece piece 21 to rotate the piece piece 21 against the elastic biasing force of the coil spring 22, and the pawl 21A is ratcheted. It is separated from 18B.
【００１７】また、前記操作レバー２３の上端部の構造
は、上端を内方へ直角に折曲して形成した水平板２３Ｃ
の内奥縁から保高部２３Ｄを立起形成し、該保高部２３
Ｄの上縁から外方へ前記指掛部２３Ａを折曲形成したも
のである。ここで、指掛部２３Ａの下方には水平板２３
Ｃが存在しないように寸法設定し、不注意で水平板２３
Ｃに指を掛けて、そのまま昇降天板６を下降させて固定
天板４との間に指を挟まないようにしている。つまり、
前記操作レバー２３は、下方開放した指掛部２３Ａを上
端部に形成するとともに、該指掛部２３Ａの内奥側に前
記保高部２３Ｄを形成した上端部構造を有し、前記昇降
天板６を最下降させた際に、前記指掛部２３Ａ、保高部
２３Ｄ及び固定天板４とで側方開放した指詰め防止空間
２５を確保するものである（図３参照）。また、実際に
は前記指掛部２３Ａは、合成樹脂製のカバー（図示せ
ず）で外被されている。The structure of the upper end portion of the operating lever 23 is a horizontal plate 23C formed by bending the upper end inward at a right angle.
The height-retaining portion 23D is formed upright from the inner edge of the
The finger hook 23A is bent outward from the upper edge of D. Here, the horizontal plate 23 is provided below the finger hook 23A.
The dimension is set so that C does not exist, and the horizontal plate 23 is inadvertently
A finger is placed on C, and the elevating top plate 6 is lowered as it is so that the finger is not caught between the fixed top plate 4 and the fixed top plate 4. That is,
The operation lever 23 has an upper end portion structure in which a finger hook portion 23A opened downward is formed at an upper end portion and the retaining portion 23D is formed on an inner back side of the finger hook portion 23A. When the finger 6 is lowered to the lowest position, the finger hooking portion 23A, the height-retaining portion 23D, and the fixed top plate 4 secure a finger-filling prevention space 25 that is opened laterally (see FIG. 3). Further, actually, the finger hook portion 23A is covered with a synthetic resin cover (not shown).
【００１８】更に各部の詳細を以下に説明する。図６に
示すように、前記歯車部材１８や駒片２１は、前記縦溝
１７内に固定したケース２６内に収容されており、該ケ
ース２６は側方へ開放した箱形の本体２７と該本体２７
の開放端を閉鎖する蓋体２８とから構成されている。本
体２７の底面、即ち側面には軸孔２７Ａを形成し、蓋体
２８の対応する位置には軸孔２８Ａを形成し、前記歯車
部材１８の両側に突設した軸芯部１８Ｃ，１８Ｃをそれ
ぞれ軸孔２７Ａ，２８Ａに回動可能に挿入し、また前記
駒片２１は蓋体２８の適所に枢着されている。The details of each unit will be described below. As shown in FIG. 6, the gear member 18 and the piece piece 21 are housed in a case 26 fixed in the vertical groove 17, and the case 26 is provided with a box-shaped main body 27 which is opened to the side. Body 27
And a lid 28 that closes the open end of the. A shaft hole 27A is formed on the bottom surface, that is, the side surface of the main body 27, a shaft hole 28A is formed at a corresponding position of the lid body 28, and shaft core portions 18C and 18C projecting from both sides of the gear member 18 are respectively formed. It is rotatably inserted into the shaft holes 27A and 28A, and the piece piece 21 is pivotally attached to a proper position of the lid body 28.
【００１９】また、前記操作レバー２３を上下動可能に
支持する構造としては、図４及び図８に示すようにケー
ス２６の本体２７の上下面に形成した案内孔２７Ｂ，２
７Ｂに操作レバー２３を貫通するとともに、図７に示す
ように前記縦溝１７に対応する側板１４の上端に取付け
た端部カバー２９の開口２９Ａに操作レバー２３を挿通
したものであり、前記開口２９Ａと案内孔２７Ｂ及びラ
ック１５Ｃがピニオン１８Ａに噛合していることによっ
て、操作レバー２３を前後左右の振れを規制しガタつき
なく上下動案内するのである。尚、前記端部カバー２９
には、操作レバー２３を遊挿するための開口２９Ｂも前
記開口２９Ａに連通させて形成している。As a structure for supporting the operation lever 23 so as to be vertically movable, as shown in FIGS. 4 and 8, guide holes 27B, 2 formed in the upper and lower surfaces of the main body 27 of the case 26.
7B, the operation lever 23 is penetrated, and the operation lever 23 is inserted into an opening 29A of an end cover 29 attached to the upper end of the side plate 14 corresponding to the vertical groove 17 as shown in FIG. 29A, the guide hole 27B, and the rack 15C are meshed with the pinion 18A, so that the operation lever 23 is guided to move up and down and to move vertically without rattling. Incidentally, the end cover 29
Also, an opening 29B for loosely inserting the operation lever 23 is formed in communication with the opening 29A.
【００２０】また、前記支持部材１５の下部の幅方向中
央には、その長さ方向に沿って長孔１５Ｄを形成し、該
長孔１５Ｄ内に配したコイルばね３０の一端を当該支持
部材１５の下端に係着するとともに、他端をそれよりも
上方のケース２６（本体２７）の適所に係着し、該コイ
ルばね３０によって支持部材１５を介して昇降天板６を
上方へ弾性付勢している。このコイルばね３０によっ
て、昇降天板６を上昇させる動作が軽くなり、子供でも
容易に行えるのである。一方、昇降天板６を下降させる
際には、コイルばね３０を伸長するが、コイルばね３０
の弾性付勢力よりも昇降天板６、支持部材１５及び操作
レバー２３等の重量が勝っていれば、その動作は容易で
ある。Further, a slot 15D is formed along the lengthwise direction at the center of the lower portion of the support member 15 in the width direction, and one end of the coil spring 30 arranged in the slot 15D is attached to the support member 15. And the other end of the case 26 (main body 27) above the upper end of the upper end of the upper and lower ends of the upper and lower ends of the upper and lower ends of the upper and lower ends of the case 26 (main body 27). are doing. With this coil spring 30, the operation of raising the elevating top plate 6 becomes light, and even a child can easily perform it. On the other hand, when lowering the elevating top plate 6, the coil spring 30 is extended,
If the weight of the lifting / lowering top plate 6, the support member 15, the operation lever 23, and the like is greater than the elastic biasing force of the above, the operation is easy.
【００２１】更に、本実施の形態においては、前記昇降
天板６を最下降させた際に、昇降天板６と固定天板４と
の間に指詰め防止空間２５を確実に確保するために、前
記取付杆１６の両端部下面にゴム製の緩衝部材３１，３
１を突設し、固定天板４の上面に当止できるようにして
あり、前記操作レバー２３の保高部２３Ｄとともに、指
詰め防止の二重の安全策を講じている。Further, in the present embodiment, in order to ensure the finger-stuffing prevention space 25 between the elevating top plate 6 and the fixed top plate 4 when the elevating top plate 6 is fully lowered. , Rubber cushioning members 31, 3 on the lower surfaces of both ends of the mounting rod 16
1 is projectingly provided so that it can be abutted against the upper surface of the fixed top plate 4, and a double safety measure for preventing finger jamming is taken together with the height maintaining portion 23D of the operation lever 23.
【００２２】また、前記シャフト１９は、単位昇降機構
５Ａ，５Ｂをそれぞれ対応する側板１４，１４内に組み
込んだ後に取付けることができるようにしている。即
ち、図６に示すように、シャフト１９は四角パイプで形
成し、その端部の一面に切欠部１９Ａを形成し、前記歯
車部材１８の軸芯部１８Ｃに突設した四角柱状の連結部
１８Ｄを、前記切欠部１９Ａを通してシャフト１９内に
嵌合し、シャフト１９と連結部１８Ｄを貫通したネジ１
９Ｂ又はピンで連結している。The shaft 19 can be mounted after the unit elevating mechanisms 5A and 5B are assembled in the corresponding side plates 14 and 14, respectively. That is, as shown in FIG. 6, the shaft 19 is formed of a quadrangular pipe, and a cutout portion 19A is formed on one surface of an end portion of the shaft 19, and a quadrangular prism-shaped connecting portion 18D protruding from the shaft core portion 18C of the gear member 18 is formed. Is fitted into the shaft 19 through the cutout portion 19A and penetrates the shaft 19 and the connecting portion 18D.
It is connected with 9B or a pin.
【００２３】最後に、前記操作レバー２３を操作して昇
降天板６を昇降させる動作を簡単に説明する。図８は、
前記駒片２１の爪２１Ａが歯車部材１８のラチェット１
８Ｂに噛合した状態を示している。この状態で昇降天板
６を下降させようとすると、支持部材１５に下方への力
が加わり、そのラック１５Ｃとピニオン１８Ａを介して
歯車部材１８を図中において反時計回りに回転させる力
が作用するが、この回転方向はラチェット１８Ｂと爪２
１Ａとが強く噛合するので、歯車部材１８は回転せず、
もって昇降天板６の下降を規制する。一方、昇降天板６
を上昇、即ち支持部材１５を上動させる場合には、歯車
部材１８が時計回りに回転することになるので、爪２１
Ａがラチェット１８Ｂを乗り越えながら回転し、操作レ
バー２３を操作してストッパーを解除しなくても行うこ
とができる。Finally, the operation of operating the operating lever 23 to move the elevating top plate 6 up and down will be briefly described. FIG.
The claw 21A of the piece piece 21 is the ratchet 1 of the gear member 18.
8B shows a state in which it meshes with 8B. When attempting to lower the elevating top plate 6 in this state, a downward force is applied to the support member 15 and a force for rotating the gear member 18 counterclockwise in the drawing acts via the rack 15C and the pinion 18A. However, this rotation direction is the ratchet 18B and the claw 2
The gear member 18 does not rotate because it meshes strongly with 1A,
Therefore, the lowering of the elevating top plate 6 is restricted. On the other hand, the lifting top plate 6
Is raised, that is, when the support member 15 is moved upward, the gear member 18 rotates in the clockwise direction.
It can be performed without rotating the ratchet 18B while operating over the ratchet 18B and operating the operating lever 23 to release the stopper.
【００２４】次に、前記昇降天板６の両側部下面側に位
置する操作レバー２３，２３の指掛部２３Ａ，２３Ａ
に、両手の指を下方から添えて、該指掛部２３Ａを昇降
天板６側に接近するように引き上げると、操作レバー２
３が上動し、二つの回動片２４，２４からなる平行四辺
形リンク機構によって操作レバー２３が駒片２１側へ平
行移動し、その押圧片２３Ｂで突片２１Ｂを押して、該
駒片２１がコイルばね２２の弾性付勢力に抗して回動
し、爪２１Ａがラチェット１８Ｂから引き離され、それ
によって歯車部材１８が自由に回転できる状態、即ちス
トッパーが解除された状態になる（図９参照）。この状
態で、操作レバー２３の指掛部２３Ａを持ったまま、昇
降天板６を持ち上げて上昇させることができ、所望の高
さになったときに、指掛部２３Ａから指を離せば、操作
レバー２３の自重と、コイルばね２２による弾性付勢力
とによって再び爪２１Ａがラチェット１８Ｂに噛合する
状態になる。ここで、前記昇降天板６の高さ調節可能な
最小単位は、ラチェット１８Ｂの歯のピッチに略一致
し、このピッチを５ｍｍ程度に設計すれば、昇降天板６
の高さを５ｍｍ間隔で調節することができ、様々な高さ
用途に対応できる。Next, the finger-engaging portions 23A, 23A of the operating levers 23, 23 located on the lower surface sides of both sides of the elevating top plate 6.
When the fingers of both hands are attached from below and the finger-holding portion 23A is pulled up so as to approach the lifting top plate 6 side, the operation lever 2
3 is moved upward, and the operating lever 23 is moved in parallel to the piece piece 21 side by the parallelogram link mechanism composed of two rotating pieces 24, 24, and the projecting piece 21B is pushed by the pressing piece 23B. Rotates against the elastic biasing force of the coil spring 22 and the pawl 21A is separated from the ratchet 18B, whereby the gear member 18 can freely rotate, that is, the stopper is released (see FIG. 9). ). In this state, the lift table 6 can be lifted and raised while holding the finger rest 23A of the operation lever 23, and when the desired height is reached, if the finger is released from the finger rest 23A, Due to the weight of the operating lever 23 and the elastic biasing force of the coil spring 22, the pawl 21A again engages with the ratchet 18B. Here, the minimum height-adjustable unit of the elevating top plate 6 substantially matches the pitch of the teeth of the ratchet 18B, and if this pitch is designed to be about 5 mm, the elevating top plate 6
The height of can be adjusted at 5 mm intervals, and can be used for various height applications.
【００２５】また、他の昇降機構５の例を図１０〜図１
２に基づいて説明する。前述の例では操作レバー２３を
引き上げると、該操作レバー２３そのものが歯車部材１
８に接近する方向に平行移動するものであったが、この
例の昇降機構５では、操作レバー２３は上下動するのみ
で、該操作レバー２３の上動に伴って作動部材３２が歯
車部材１８に接近する方向に平行移動する機構である。An example of another lifting mechanism 5 is shown in FIGS.
2 will be described. In the above example, when the operation lever 23 is pulled up, the operation lever 23 itself is
8, the operating lever 23 only moves up and down in the lifting mechanism 5 of this example, and the operating member 32 moves the operating member 32 in accordance with the upward movement of the operating lever 23. It is a mechanism that translates in the direction of approaching.
【００２６】具体的には、前記操作レバー２３は前記支
持部材１５に対して上下動のみ可能に連結する。そのた
めに操作レバー２３の下端部とその上方の所定距離を隔
てた中間部とに、縦長孔３３，３３を形成するととも
に、両縦長孔３３，３３の間の部分を前記支持部材１５
の基部１５Ｂから離れるように段折して保持部３４を形
成し、該保持部３４の上下端部に傾斜孔３５，３５を形
成している。この傾斜孔３５の傾斜方向は、傾斜孔３５
の上端が前記支持部材１５のラック１５Ｃから離れた位
置であり、傾斜孔３５の下端が該ラック１５Ｃに接近し
た位置に設定している。そして、前記縦長孔３３，３３
に、カシメピン３６の軸部３６Ａを遊挿するとともに、
該軸部３６Ａよりも小径のネジ部３６Ｂを合成樹脂製の
ガイド部材３７の通孔３７Ａに挿通した後、支持部材１
５の基部１５Ｂに形成した螺孔３８に螺合してガイド部
材３７を取付けると同時に支持部材１５に対して操作レ
バー２３を上下動可能に取付けるのである。前記ガイド
部材３７は、互いに上下対称なものを上下一対用い、本
例では同一形状のものを上下逆転して用いており、該ガ
イド部材３７は、通孔３７Ａを形成した部分の両側に、
前記操作レバー２３の保持部３４以外の部分を両側から
摺接する突条３７Ｂ，３７Ｂを形成するとともに、上方
のガイド部材３７では下部に、下方のガイド部材３７で
は上部に段落ちした摺接台３７Ｃを形成し、該摺接台３
７Ｃに横長溝３７Ｄを形成している。Specifically, the operation lever 23 is connected to the support member 15 so that it can move only up and down. Therefore, the vertically elongated holes 33, 33 are formed in the lower end portion of the operation lever 23 and the intermediate portion above the operation lever 23 with a predetermined distance between them, and the portion between the vertically elongated holes 33, 33 is formed by the support member 15.
The holding portion 34 is formed by folding the holding portion 34 away from the base portion 15B, and inclined holes 35, 35 are formed in the upper and lower ends of the holding portion 34. The inclination direction of the inclined hole 35 is
Is located at a position away from the rack 15C of the support member 15, and the lower end of the inclined hole 35 is located at a position close to the rack 15C. Then, the vertical holes 33, 33
While loosely inserting the shaft portion 36A of the crimp pin 36,
After inserting a screw portion 36B having a smaller diameter than the shaft portion 36A into the through hole 37A of the synthetic resin guide member 37, the support member 1
The guide lever 37 is screwed into the screw hole 38 formed in the base portion 15B of No. 5 and the operation lever 23 is attached to the support member 15 so as to be vertically movable. As the guide members 37, a pair of vertically symmetrical members are used, and in the present example, the same shaped members are used upside down. The guide members 37 are provided on both sides of the portion where the through hole 37A is formed.
The protrusions 37B, 37B are formed so as to slidably contact portions of the operating lever 23 other than the holding portion 34 from both sides, and the upper guide member 37 is at the lower portion, and the lower guide member 37 is at the upper portion and is slidably contacted to the slide contact base 37C. To form the sliding contact table 3
A laterally long groove 37D is formed in 7C.
【００２７】また、前記作動部材３２は、長尺板材の一
側縁、即ち歯車部材１８に近い側を直角に折曲して押圧
片３２Ａを形成するとともに、上下端部に通孔３２Ｂ，
３２Ｂを形成したものである。そして、前記ガイド部材
３７の横長溝３７Ｄにカシメピン３９の頭部３９Ａを横
移動可能に収容するとともに、軸部３９Ｂを前記作動部
材３２の通孔３２Ｂに挿通し、該軸部３９Ｂにリング状
のスペーサー４０を挿通した状態で、前記操作レバー２
３の傾斜孔３５に移動可能に遊挿するのである。それか
ら、前述の如くカシメピン３６によって操作レバー２３
及びガイド部材３７を支持部材１５の基部１５Ｂに取付
けると、作動部材３２はガイド部材３７の摺接台３７Ｃ
と、スペーサー４０を介して操作レバー２３の保持部３
４との間に保持されて外れることがないのである。The actuating member 32 is bent at a right angle on one side edge of the long plate member, that is, the side close to the gear member 18 to form a pressing piece 32A, and at the same time, upper and lower end portions of the through hole 32B,
32B is formed. Then, the head portion 39A of the caulking pin 39 is accommodated in the lateral groove 37D of the guide member 37 so as to be laterally movable, and the shaft portion 39B is inserted into the through hole 32B of the actuating member 32, and the shaft portion 39B has a ring shape. With the spacer 40 inserted, the operation lever 2
3 is slidably inserted in the inclined hole 35. Then, as described above, the operation lever 23 is pressed by the caulking pin 36.
When the guide member 37 and the guide member 37 are attached to the base portion 15B of the support member 15, the actuating member 32 becomes the slide contact base 37C of the guide member 37.
And the holding portion 3 of the operation lever 23 via the spacer 40.
It is held between 4 and and does not come off.
【００２８】次に、図１１に示すように、前述の如く前
記支持部材１５に、操作レバー２３、ガイド部材３７及
び作動部材３２を組み付けた状態で、ケース２６の本体
２７に挿入してラック１５Ｃを前記歯車部材１８のピニ
オン１８Ａに噛合させる。それから、蓋体２８に支軸２
０にて略く字状の駒片２１を中央部を軸支した状態で、
該蓋体２８を本体２７に固定する。ここで、前記本体２
７には側壁２７Ｃの内側に沿って略同一形状の立起壁２
７Ｄを間隙を設けて形成してあり、該側壁２７Ｃと立起
壁２７Ｄとの間に板ばね４１の基部を嵌合して取付け
て、前記駒片２１の爪２１Ａをラチェット１８Ｂに噛合
する方向に弾性付勢している。一方、前記駒片２１の他
端は突片２１Ｂとなっており、前記作動部材３２の押圧
片３２Ａの近傍に位置している。また、通常の状態で
は、カシメピン３６の軸部３６Ａが縦長孔３３の上端部
に位置するとともに、カシメピン３９の軸部３９Ｂが傾
斜孔３５の上端部に位置するように設定している。Next, as shown in FIG. 11, with the operating lever 23, the guide member 37 and the actuating member 32 assembled to the support member 15 as described above, it is inserted into the main body 27 of the case 26 and the rack 15C is inserted. Is engaged with the pinion 18A of the gear member 18. Then, the support shaft 2 is attached to the lid 28.
At 0, with a substantially V-shaped piece piece 21 supporting the central part,
The lid 28 is fixed to the main body 27. Here, the main body 2
7 has a standing wall 2 of substantially the same shape along the inside of the side wall 27C.
7D is formed with a gap, and the base portion of the leaf spring 41 is fitted and attached between the side wall 27C and the standing wall 27D so that the claw 21A of the piece piece 21 meshes with the ratchet 18B. It is elastically biased. On the other hand, the other end of the piece piece 21 is a protruding piece 21B, which is located near the pressing piece 32A of the actuating member 32. Further, in a normal state, the shaft portion 36A of the caulking pin 36 is located at the upper end portion of the vertically elongated hole 33, and the shaft portion 39B of the caulking pin 39 is located at the upper end portion of the inclined hole 35.
【００２９】そして、前記操作レバー２３を引き上げる
と、図１２に示すように、該操作レバー２３は支持部材
１５に対して縦長孔３３とカシメピン３６によって案内
されて上動し、傾斜孔３５の上動に伴ってその傾斜縁に
よってカシメピン３９の軸部３９Ｂを歯車部材１８に接
近する方向に押出し、従って作動部材３２が歯車部材１
８に接近する方向に平行移動し、もって作動部材３２の
押圧片３２Ａによって前記駒片２１の突片２１Ｂを押
し、板ばね４１の弾性付勢力に抗して爪２１Ａをラチェ
ット１８Ｂから引き離してストッパー状態が解除され
る。その他の構造及び操作は前記同様であるので、同一
構成には同一符号を付してその説明は省略する。When the operating lever 23 is pulled up, the operating lever 23 moves upward with respect to the supporting member 15 while being guided by the vertically elongated hole 33 and the caulking pin 36, as shown in FIG. Along with the movement, the shaft edge 39B of the caulking pin 39 is extruded in the direction of approaching the gear member 18 by the inclined edge thereof, so that the actuating member 32 causes the gear member 1 to move.
8 in parallel with each other, pushes the projecting piece 21B of the piece piece 21 by the pressing piece 32A of the actuating member 32, pulls the pawl 21A away from the ratchet 18B against the elastic biasing force of the leaf spring 41, and stops the stopper. The state is released. Since other structures and operations are the same as the above, the same components are designated by the same reference numerals and the description thereof will be omitted.
【００３０】しかし、本発明は、昇降機構５の具体例に
限定されるものではなく、例えばガスシリンダーを用い
た昇降機構も採用でき、その場合には前記操作レバー２
３はガスシリンダーの制御ピンを操作できる機構にな
る。However, the present invention is not limited to the specific example of the elevating mechanism 5, and an elevating mechanism using a gas cylinder, for example, can be adopted. In that case, the operating lever 2 is used.
3 is a mechanism that can operate the control pin of the gas cylinder.
【００３１】[0031]
【発明の効果】本発明の昇降天板付きワゴンデスクによ
れば、以下の顕著な効果を奏するものである。According to the wagon desk with a lifting top plate of the present invention, the following remarkable effects are obtained.
【００３２】請求項１によれば、操作レバーによって指
詰め防止空間を確保したので、不意に昇降天板が最下降
した場合であっても、昇降天板と固定天板との間に指を
挟み込んで怪我をする危険性がなくなるとともに、操作
レバーを昇降天板の両側部下面側に配しているので、操
作時に昇降天板の両側部を必然的に持つようになって左
右の力バランスが良く、昇降動作をスムーズに行うこと
ができる。According to the first aspect of the present invention, since the finger stuffing prevention space is secured by the operation lever, even when the lifting / lowering top plate unexpectedly descends to the lowest position, a finger should be placed between the lifting / lowering top plate and the fixed top plate. There is no risk of being caught and injured, and since the operating levers are placed on the undersides of both sides of the lift top and bottom, you will inevitably have both sides of the lift top and bottom during operation to balance the left and right forces. It is good and can move up and down smoothly.
【００３３】請求項２によれば、操作レバーの指掛部は
下方開放しているので、昇降操作時に常に所定の指掛部
に指を掛けることができ、しかも昇降天板を最下降させ
た際に、指掛部、保高部及び固定天板とで側方開放した
指詰め防止空間を確保したので、指詰めの危険性がなく
なる。According to the second aspect, since the finger hook portion of the operation lever is opened downward, the finger can be always hooked on the predetermined finger hook portion during the raising / lowering operation, and further, the raising / lowering top plate is lowered to the maximum. At this time, the finger-holding portion, the height-retaining portion, and the fixed top plate secure the finger-stuffing prevention space that is opened laterally, so that the risk of finger-stuffing is eliminated.
【００３４】請求項３によれば、両側部の操作レバーを
持ってストッパーを解除し、その状態で昇降天板を昇降
操作するので、左右の力バランスが良くなってスムーズ
な操作性が得られるとともに、不意に一方の操作レバー
に触れて一方の単位昇降機構のストッパーが解除された
としても昇降天板が不意に下降することがなく安全性が
確保できる。According to the third aspect, since the stoppers are released by holding the operation levers on both sides and the elevating top plate is operated up and down in that state, the left and right force balance is improved and smooth operability is obtained. At the same time, even if one of the operation levers is inadvertently touched and the stopper of one of the unit elevating mechanisms is released, the elevating top plate does not unexpectedly descend and safety can be ensured.
【００３５】請求項４によれば、昇降天板の高さ調節が
微小間隔毎に多段階に行えるとともに、支持部材が本体
部に対して直線的に昇降するので、昇降機構自体に指を
詰める危険性が全くない。According to the fourth aspect, the height of the lifting / lowering top plate can be adjusted in multiple steps at small intervals, and the supporting member moves up and down linearly with respect to the main body. There is no danger.
【図１】平机の両脚板間にワゴンデスクを設置した使用
状態を示す正面図である。FIG. 1 is a front view showing a usage state in which a wagon desk is installed between both leg plates of a flat desk.
【図２】平机の脚板の外側にワゴンデスクを設置した使
用状態を示す正面図である。FIG. 2 is a front view showing a usage state in which a wagon desk is installed outside a leg plate of a flat desk.
【図３】本発明の要部の簡略縦断正面図である。FIG. 3 is a simplified vertical sectional front view of a main part of the present invention.
【図４】昇降機構を示す一部省略した縦断側面図であ
る。FIG. 4 is a vertical cross-sectional side view showing a lifting mechanism with a part thereof omitted.
【図５】昇降機構を示す分解斜視図である。FIG. 5 is an exploded perspective view showing a lifting mechanism.
【図６】図４のＸ−Ｘ線拡大断面図である。6 is an enlarged sectional view taken along line XX of FIG.
【図７】昇降機構の上部構造を示す一部省略した部分斜
視図である。FIG. 7 is a partial perspective view showing an upper structure of a lifting mechanism with a part thereof omitted.
【図８】昇降機構の要部を示す部分断面図である。FIG. 8 is a partial cross-sectional view showing a main part of a lifting mechanism.
【図９】昇降機構のストッパーを解除した状態を示す省
略部分断面図である。FIG. 9 is an abbreviated partial cross-sectional view showing a state where the stopper of the lifting mechanism is released.
【図１０】昇降機構の他の例を示す要部の分解斜視図で
ある。FIG. 10 is an exploded perspective view of a main part showing another example of the lifting mechanism.
【図１１】同じく昇降機構のストッパーが作用している
通常の状態を示す省略部分断面図である。FIG. 11 is an abbreviated partial cross-sectional view showing a normal state in which the stopper of the lifting mechanism is also operating.
【図１２】同じく昇降機構のストッパーを解除した状態
を示す省略部分断面図である。FIG. 12 is an abbreviated partial cross-sectional view showing a state in which the stopper of the lifting mechanism is also released.
１ ワゴンデスク ２ 平机 ３ 本体部 ４ 固定天板 ５ 昇降機構 ５Ａ，５Ｂ 単位昇降機構 ６ 昇降天板 ７ 引出し ８ キャスター ９ 机天板 １０ 脚板 １１ 上段引出し １２ 後幕板 １３ 棚 １４ 側板 １５ 支持部材 １５Ａ 先端部 １５Ｂ 基部 １５Ｃ ラック １５Ｄ 長孔 １６ 取付杆 １７ 縦溝 １８ 歯車部材 １８Ａ ピニオン １８Ｂ ラチェット（ストッパー） １８Ｃ 軸芯部 １８Ｄ 連結部 １９ シャフト １９Ａ 切欠部 １９Ｂ ネジ ２０ 支軸 ２１ 駒片 ２１Ａ 爪（ストッパー） ２１Ｂ 突片 ２２ コイルばね ２３ 操作レバー ２３Ａ 指掛部 ２３Ｂ 押圧片 ２３Ｃ 水平板 ２３Ｄ 保高部 ２４ 回動片 ２４Ａ，２４Ｂ 支軸 ２５ 指詰め防止空間 ２６ ケース ２７ 本体 ２７Ａ 軸孔 ２７Ｂ 案内孔 ２７Ｃ 側壁 ２７Ｄ 立起壁 ２８ 蓋体 ２８Ａ 軸孔 ２９ 端部カバー ２９Ａ，２９Ｂ 開口 ３０ コイルばね ３１ 緩衝部材 ３２ 作動部材 ３２Ａ 押圧片 ３２Ｂ 通孔 ３３ 縦長孔 ３４ 保持部 ３５ 傾斜孔 ３６ カシメピン ３６Ａ 軸部 ３６Ｂ ネジ部 ３７ ガイド部材 ３７Ａ 通孔 ３７Ｂ 突条 ３７Ｃ 摺接台 ３７Ｄ 横長溝 ３８ 螺孔 ３９ カシメピン ３９Ａ 頭部 ３９Ｂ 軸部 ４０ スペーサー ４１ 板ばね 1 Wagon Desk 2 Flat Desk 3 Main Body 4 Fixed Top Plate 5 Lifting Mechanism 5A, 5B Unit Lifting Mechanism 6 Lifting Top Board 7 Drawer 8 Caster 9 Desk Top 10 Leg Board 11 Upper Drawer 12 Rear Curtain Board 13 Shelf 14 Side Plate 15 Supporting Member 15A Tip part 15B Base part 15C Rack 15D Long hole 16 Mounting rod 17 Vertical groove 18 Gear member 18A Pinion 18B Ratchet (stopper) 18C Shaft core part 18D Connecting part 19 Shaft 19A Notch part 19B Screw 20 Spindle 21 Claw piece 21A ) 21B Projection piece 22 Coil spring 23 Operation lever 23A Finger hooking section 23B Pressing piece 23C Horizontal flat plate 23D Height maintaining section 24 Rotating piece 24A, 24B Support shaft 25 Finger jam prevention space 26 Case 27 Main body 27A Shaft hole 27B Guide hole 27C Side wall 27D Standing wall 28 Lid 28A Shaft hole 29 End Part cover 29A, 29B Opening 30 Coil spring 31 Cushioning member 32 Actuating member 32A Pressing piece 32B Through hole 33 Vertically elongated hole 34 Holding part 35 Inclined hole 36 Caulking pin 36A Shaft part 36B Screw part 37 Guide member 37A Through hole 37B Sliding contact 37C Sliding contact Base 37D Horizontal slot 38 Screw hole 39 Caulking pin 39A Head 39B Shaft 40 Spacer 41 Leaf spring
Claims (4)
せて設置可能なワゴンデスクであって、本体部の固定天
板の上位に昇降機構の支持部材にて支持された昇降天板
を設けるとともに、該支持部材の下降規制用のストッパ
ーを係脱させる操作レバーを前記昇降天板の両側部下面
側に配し、昇降天板を最下降させた際に固定天板と昇降
天板との間に指詰め防止空間を確保すべく、前記操作レ
バーに保高部を設けたことを特徴とする昇降天板付きワ
ゴンデスク。1. A wagon desk which can be installed by moving between both leg plates of a flat desk or outside the leg plates, the elevator top plate being supported by a supporting member of an elevating mechanism above the fixed top plate of the main body. And the operation levers for engaging and disengaging the stoppers for restricting the lowering of the supporting member are arranged on the lower surface sides of both sides of the elevating top plate, and the fixed top plate and the elevating top plate when the elevating top plate is fully lowered. A wagon desk with a lifting top plate, characterized in that a high-height portion is provided on the operation lever in order to secure a finger-stuffing prevention space between and.
を上端部に形成するとともに、該指掛部の内奥側に前記
保高部を形成し、前記昇降天板を最下降させた際に、前
記指掛部、保高部及び固定天板とで側方開放した指詰め
防止空間を確保するものである請求項１記載の昇降天板
付きワゴンデスク。2. The operating lever has a finger hook portion opened downward and formed at an upper end portion thereof, and the height retaining portion is formed on an inner rear side of the finger hook portion to lower the lifting top plate to the lowest position. The wagon desk with a lifting top plate according to claim 1, wherein a finger-stuffing prevention space that is opened laterally is secured by the finger-holding portion, the high-height portion, and the fixed top plate.
る左右一対の単位昇降機構からなり、両側部の前記操作
レバーが、各単位昇降機構のそれぞれに独立的に設けた
下降規制用のストッパーを係脱させるものである請求項
１又は２記載の昇降天板付きワゴンデスク。3. The elevating mechanism comprises a pair of left and right unit elevating mechanisms that ascend and descend in synchronization with each other, and the operation levers on both sides are stoppers provided for each unit elevating mechanism independently of each other for downward regulation. The wagon desk with a lifting top plate according to claim 1 or 2, wherein the wagon desk is for engaging and disengaging.
内に組み込まれたラチェット式昇降機構であり、前記支
持部材が本体部の上端から直線的に昇降するものである
請求項３記載の昇降天板付きワゴンデスク。4. The unit raising / lowering mechanism is a ratchet type raising / lowering mechanism incorporated in the thickness of the side plate of the main body, and the supporting member is linearly raised / lowered from the upper end of the main body. Wagon desk with lifting top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11140496A JPH09294636A (en) | 1996-05-02 | 1996-05-02 | Wagon desk with elevating top board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11140496A JPH09294636A (en) | 1996-05-02 | 1996-05-02 | Wagon desk with elevating top board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09294636A true JPH09294636A (en) | 1997-11-18 |
Family
ID=14560303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11140496A Pending JPH09294636A (en) | 1996-05-02 | 1996-05-02 | Wagon desk with elevating top board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09294636A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100608273B1 (en) * | 2006-04-04 | 2006-08-08 | 백남준 | Device for adjusting height of desk |
| JP2007075440A (en) * | 2005-09-15 | 2007-03-29 | Kokuyo Furniture Co Ltd | Operating portion, and wagon with liftable top |
| JP2014064673A (en) * | 2012-09-25 | 2014-04-17 | Nanami:Kk | Table |
| JP2015045149A (en) * | 2013-08-27 | 2015-03-12 | 沖電気工業株式会社 | Auto-lock mechanism, and medium processing device |
| WO2017014537A1 (en) * | 2015-07-22 | 2017-01-26 | 오준석 | Whiteboard lifting device |
| CN108720294A (en) * | 2018-04-26 | 2018-11-02 | 张冰冰 | A kind of high-efficiency environment friendly dining car |
| USD989502S1 (en) | 2021-09-23 | 2023-06-20 | Steelcase Inc. | Stool |
| USD1009501S1 (en) | 2021-09-23 | 2024-01-02 | Steelcase Inc. | Chair |
-
1996
- 1996-05-02 JP JP11140496A patent/JPH09294636A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007075440A (en) * | 2005-09-15 | 2007-03-29 | Kokuyo Furniture Co Ltd | Operating portion, and wagon with liftable top |
| KR100608273B1 (en) * | 2006-04-04 | 2006-08-08 | 백남준 | Device for adjusting height of desk |
| JP2014064673A (en) * | 2012-09-25 | 2014-04-17 | Nanami:Kk | Table |
| JP2015045149A (en) * | 2013-08-27 | 2015-03-12 | 沖電気工業株式会社 | Auto-lock mechanism, and medium processing device |
| WO2017014537A1 (en) * | 2015-07-22 | 2017-01-26 | 오준석 | Whiteboard lifting device |
| CN108720294A (en) * | 2018-04-26 | 2018-11-02 | 张冰冰 | A kind of high-efficiency environment friendly dining car |
| USD989502S1 (en) | 2021-09-23 | 2023-06-20 | Steelcase Inc. | Stool |
| USD1009501S1 (en) | 2021-09-23 | 2024-01-02 | Steelcase Inc. | Chair |
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Legal Events
| Date | Code | Title | Description |
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| A02 | Decision of refusal |
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