JP3015675B2 - Height adjustable desk - Google Patents
Height adjustable deskInfo
- Publication number
- JP3015675B2 JP3015675B2 JP6173294A JP17329494A JP3015675B2 JP 3015675 B2 JP3015675 B2 JP 3015675B2 JP 6173294 A JP6173294 A JP 6173294A JP 17329494 A JP17329494 A JP 17329494A JP 3015675 B2 JP3015675 B2 JP 3015675B2
- Authority
- JP
- Japan
- Prior art keywords
- leg
- height
- desk
- retractable
- floor
- 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 - Lifetime
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0011—Underframes
- A47B2200/002—Legs
- A47B2200/0034—Spring loaded "push-push" latch assembly for table leg
Landscapes
- Tables And Desks Characterized By Structural Shape (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、高さ調整可能な机に関
し、特に脚を一旦持ち上げて降ろすという動作を繰り返
すだけで高さの切換えを行うことができる高さ調整可能
な机に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a height-adjustable desk, and more particularly to a height-adjustable desk capable of changing the height by simply repeating the operation of once lifting and lowering a leg. is there.
【0002】[0002]
【従来の技術】作業机や勉強机やその他の机において、
高さ調整機能を備えたものは従来から種々知られてい
る。2. Description of the Related Art At work desks, study desks and other desks,
Various devices having a height adjusting function are conventionally known.
【0003】例えば、単純なものとしては、脚の下端に
高さ調整用の脚ねじを螺合させ、この脚ねじを回して出
退させることによって高さ調整するものがある。[0003] For example, there is a simple one in which a leg screw for height adjustment is screwed into a lower end of a leg, and the height is adjusted by turning the leg screw to retract.
【0004】また、机の脚を伸縮脚にて構成し、その伸
縮脚の長さを変えることによって机の高さを調整するよ
うにしたものがある。[0004] Further, there is an apparatus in which legs of a desk are constituted by telescopic legs, and the height of the desk is adjusted by changing the length of the telescopic legs.
【0005】さらに、机の天板部を脚に対して昇降自在
に支持するとともにその昇降機構を天板部下部と脚にわ
たって配設し、天板部の下部などに配設されたハンドル
にて昇降機構を作動させ、天板部を昇降させるようにし
たものがある。[0005] Furthermore, the table top of the desk is supported so as to be able to move up and down with respect to the legs, and the elevating mechanism is arranged over the lower part of the table top and the legs, and the handle is provided at the lower part of the table top. In some cases, a lifting mechanism is operated to raise and lower the top plate.
【0006】[0006]
【発明が解決しようとする課題】ところが、脚ねじを用
いたものでは、高さ調整するには脚の下端の脚ねじを回
す必要があり、操作がやり難いという問題があり、特に
車椅子に乗った身体障害者が机を利用する場合には机の
高さが合わないと極端に作業がし難いが、車椅子に乗っ
たままでは脚ねじを回して高さを調整することは全く不
可能であるという問題があり、簡単に高さ調整できる机
に対する要請が強い。また、脚ねじの場合には調整可能
な高さが低いという問題もある。However, in the case of using a leg screw, it is necessary to turn the leg screw at the lower end of the leg to adjust the height, and there is a problem that the operation is difficult. When a disabled person uses a desk, it is extremely difficult to work if the height of the desk does not match, but it is impossible at all to adjust the height by turning the leg screw while in a wheelchair. There is a problem, and there is a strong demand for a desk that can be easily adjusted in height. In the case of a leg screw, there is also a problem that the adjustable height is low.
【0007】また、伸縮脚を用いたものも、伸縮脚の長
さを変えるのは簡単でなく、同様の問題がある。In the case of using the telescopic legs, it is not easy to change the length of the telescopic legs, and there is a similar problem.
【0008】さらに、昇降機構にて天板部を昇降させる
ものでは、操作は比較的簡単であるが、構成が複雑で大
掛かりとなるために適用できる机が制限されるととも
に、コスト高になるという問題がある。[0008] Further, the operation of raising and lowering the top plate by the elevating mechanism is relatively simple, but the configuration is complicated and large-scale, which limits the applicable desks and increases the cost. There's a problem.
【0009】[0009]
【課題を解決するための手段】本発明は上記のような従
来の問題点を解決するために成されたものであって、そ
の特徴を後述する実施例の参照符号を括弧付きで付して
示すと、本発明の高さ調整可能な机は、机本体(1) と高
さ調整手段(11)を有し、高さ調整手段(11)は、机本体
(1) の脚(2) 下端に装着され、脚(2) を床面に接地させ
た状態と床面から持ち上げた状態の繰り返しにより、脚
(2) 内に退入して脚(2) の下端が床面に接地する状態と
脚(2) の下端から突出した状態との間で位置が切換えら
れる出退脚(13)を有する点に特徴を有する。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and its features are indicated by parenthesized reference numerals in the embodiments described later. As shown, the height-adjustable desk of the present invention has a desk body (1) and height adjusting means (11), and the height adjusting means (11) is
The leg (2) is attached to the lower end of (1), and the leg (2) is repeatedly grounded on the floor and lifted off the floor.
(2) A point having a retractable leg (13) whose position is switched between a state in which the lower end of the leg (2) is retracted into the ground and the lower end of the leg (2) is in contact with the floor surface and a state in which the lower end of the leg (2) projects from the lower end of the leg (2). It has features.
【0010】上記出退脚(13)の突出位置は複数段に設け
ることができる。The projecting positions of the retractable legs (13) can be provided in a plurality of stages.
【0011】また、高さ調整手段(11)を、出退脚(13)を
昇降自在に支持する筒状本体(12)と、出退脚(13)を下降
方向に付勢するスプリング(14)と、係止手段(15)にて構
成し、その出退脚(13)には上昇経路(17a) と下降経路(1
7b) が交互に接続されてループ状に連続するとともに逆
行防止手段(18)を設けられた係合溝(17)を形成し、係止
手段(15)を上端が筒状本体(12)の上端部に枢支されたレ
バー(19)とその下端に係合溝(17)に係合するように設け
られた係合部(21)にて構成することができる。さらに、
その係合溝(17)を出退脚(13)の平面視中央部に形成され
た嵌入空間(22)の両側に形成し、逆行防止手段(18)を係
合溝(17)の各上昇経路(17a) 端と下降経路(17b) 端にお
いて溝底に形成された溝底段部(18)にて構成し、係合部
(21)をレバー(19)の下端に固定された保持筒(20)の両端
に装着されるとともに溝底に向けて突出付勢された係合
ローラ(21)にて構成することができる。The height adjusting means (11) includes a cylindrical body (12) for supporting the retractable leg (13) so as to be able to move up and down, and a spring (14) for urging the retractable leg (13) in a downward direction. ) And locking means (15), and its ascending and descending legs (13) have an ascending path (17a) and a descending path (1).
7b) are connected alternately to form an engagement groove (17) provided with a loop-back prevention means (18) and a locking means (15) at the upper end of the cylindrical body (12). It can be composed of a lever (19) pivotally supported at the upper end and an engaging portion (21) provided at the lower end thereof so as to engage with the engaging groove (17). further,
The engaging groove (17) is formed on both sides of the fitting space (22) formed at the center of the extension / retraction leg (13) in plan view, and the reverse movement preventing means (18) is raised in each of the engaging grooves (17). A groove bottom step (18) formed at the bottom of the groove at the end of the path (17a) and the end of the descending path (17b).
(21) can be constituted by an engagement roller (21) mounted on both ends of the holding cylinder (20) fixed to the lower end of the lever (19) and urged toward the groove bottom.
【0012】[0012]
【実施例】以下、本発明の一実施例について、添付の例
示図に基づいて説明すると、全体構成の概略を示す図1
において、1は4本の脚2を有する机本体であり、各脚
2の下端には高さ調整手段11が装着されている。この
高さ調整手段11は、脚2を床面から一旦持ち上げると
出退脚13が突出して退入が阻止された状態になり、次
に脚2を降ろしても突出した出退脚13が床面に接地
し、次に再び脚2を床面から持ち上げると出退脚13が
退入可能な状態になって、次に脚2を降ろすと出退脚1
3が退入して脚2の下端が床面に接地するように構成さ
れている。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the accompanying drawings.
In the figure, 1 is a desk body having four legs 2, and a height adjusting means 11 is attached to a lower end of each leg 2. When the leg 2 is once lifted from the floor surface, the height adjusting means 11 is in a state where the retractable leg 13 is projected to prevent the retreat, and the projected retractable leg 13 is then projected even when the leg 2 is lowered. When the leg 2 is lifted off the floor surface again, the retractable leg 13 is in a retreatable state.
3, the lower end of the leg 2 comes into contact with the floor.
【0013】そこで、図1(a)に示すように、全ての
脚2の下端を床面に接地させた状態から、図1(b)に
示すように、机本体1の一側方の脚2を矢印の如く床面
から持ち上げると、その脚2に装着されている高さ調整
手段11の出退脚13が突出して退入が阻止された状態
になり、図1(c)に示すようにこの一側方の脚2を降
ろすと突出した出退脚13が床面に接地し、次に机本体
1の他側方の脚2を矢印の如く床面から持ち上げると、
同様に出退脚13が突出して退入が阻止された状態にな
り、図1(d)に示すようにこの他側方の脚2を降ろす
と突出した出退脚13が床面に接地し、かくして机本体
1の高さを出退脚13の突出長だけ高くできる。また、
同様の動作を再び繰り返すと、図1(a)の状態に戻す
ことができる。従って、脚2の持ち上げ動作を繰り返す
だけで、机本体1の高さを順次切換えることができる。Therefore, as shown in FIG. 1 (a), from the state where the lower ends of all the legs 2 are grounded to the floor surface, as shown in FIG. 2 is lifted from the floor surface as shown by the arrow, and the retractable legs 13 of the height adjusting means 11 mounted on the legs 2 are projected to prevent retreat, as shown in FIG. 1 (c). When this one side leg 2 is lowered, the protruding and retracting leg 13 comes into contact with the floor, and then the other side leg 2 of the desk body 1 is lifted off the floor as shown by the arrow.
Similarly, the retractable leg 13 is projected to prevent the retreat, and when the leg 2 on the other side is lowered as shown in FIG. 1D, the protruded retractable leg 13 contacts the floor surface. Thus, the height of the desk body 1 can be increased by the projecting length of the retractable leg 13. Also,
By repeating the same operation again, it is possible to return to the state of FIG. Therefore, the height of the desk body 1 can be sequentially switched only by repeating the lifting operation of the legs 2.
【0014】次に、上記高さ調整手段11の具体的な構
成例について、図2、図3を参照しながら説明する。図
2において、脚2の下端部には下端面に開口する装着穴
3が形成され、この装着穴3に、下端に取付フランジ兼
用の底板部23が一体形成された筒状本体12が嵌合固
定され、筒状本体12の上端には天端部材24が固定さ
れている。筒状本体12内には出退脚13が配置されて
昇降自在に支持されており、出退脚13の上部外周に形
成されたばね受け段部13aと天端部材24の下面との
間に出退脚13を下方に付勢するスプリング14が介装
されている。出退脚13の下端には床面に対する接地部
16が形成されている。Next, a specific configuration example of the height adjusting means 11 will be described with reference to FIGS. In FIG. 2, a mounting hole 3 is formed at the lower end of the leg 2 so as to open at the lower end surface, and the cylindrical body 12 having a bottom plate 23 integrally formed with a mounting flange at the lower end is fitted into the mounting hole 3. The top end member 24 is fixed to the upper end of the tubular main body 12. An extending / retracting leg 13 is disposed in the cylindrical main body 12 and supported so as to be able to move up and down. The extending / retracting leg 13 is formed between a spring receiving step 13 a formed on the upper outer periphery of the extending / retracting leg 13 and the lower surface of the top end member 24. A spring 14 for urging the retreating leg 13 downward is interposed. At the lower end of the retractable leg 13, a ground contact portion 16 for the floor surface is formed.
【0015】出退脚13には、平面視で中央位置に直径
方向に長い適当幅のスリット状の嵌入空間22が形成さ
れ、その両側に係合溝17が形成されている。係合溝1
7は上昇経路17aと下降経路17bを有し、これら上
昇経路17aと下降経路17bが交互に接続されてルー
プ状に連続するように形成されている。図示例では略ハ
ート型に形成され、最下端においては下降経路17b端
からさらに斜め下方に延長経路17cが形成されてい
る。また、係合溝17には、各上昇経路17aと下降経
路17bの終端において逆行防止手段としての溝底段部
18が形成され、そのため各上昇経路17aと下降経路
17bの溝底はその始端から終端に向けて傾斜させて形
成されている。The retractable leg 13 has a slit-shaped fitting space 22 of a suitable width that is long in the diameter direction in the center position in a plan view, and engagement grooves 17 are formed on both sides thereof. Engagement groove 1
Numeral 7 has an ascending path 17a and a descending path 17b, and these ascending paths 17a and descending paths 17b are alternately connected and formed so as to be continuous in a loop. In the illustrated example, it is formed in a substantially heart shape, and at the lowermost end, an extension path 17c is formed further obliquely downward from the end of the descending path 17b. In the engagement groove 17, a groove bottom step 18 is formed at the end of each of the ascending path 17a and the descending path 17b as a backflow preventing means. It is formed so as to be inclined toward the end.
【0016】天端部材24には嵌入空間22の上方に対
向してスリット25が形成されてその中央位置にレバー
19の上端部が挿入され、天端部材24を直径方向に貫
通する支軸26にて揺動自在に枢支されている。レバー
19は垂下されて嵌入空間22内に挿入され、その下端
に両側の係合溝17内に嵌入係合する保持筒20が固着
されている。この保持筒20の両端部にそれぞれ係合溝
17に対する係合部21としての係合ローラ21の軸部
21aが回転及び軸方向に出退自在に嵌合され、かつ保
持筒20内に収容したばね27にて係合ローラ21が保
持筒20の両端から突出するように付勢されている。こ
れらレバー19、保持筒20、ばね27及び係合ローラ
21にて、係合溝17と協動して出退脚13を上昇位置
と下降位置で係止する係止手段15が構成されている。A slit 25 is formed in the top end member 24 so as to face above the fitting space 22, and an upper end of the lever 19 is inserted into a center position of the slit 25, and a support shaft 26 which penetrates the top end member 24 in the diameter direction. It is pivotally supported at. The lever 19 is hung down and inserted into the fitting space 22, and a holding cylinder 20 that fits and engages in the engaging groove 17 on both sides is fixed to a lower end thereof. Shaft portions 21a of the engaging rollers 21 as engaging portions 21 with the engaging grooves 17 are fitted to both ends of the holding cylinder 20 so as to be rotatable and retractable in the axial direction, respectively, and housed in the holding cylinder 20. The engaging roller 21 is urged by a spring 27 so as to protrude from both ends of the holding cylinder 20. The lever 19, the holding cylinder 20, the spring 27, and the engaging roller 21 cooperate with the engaging groove 17 to form the locking means 15 for locking the extension / retraction leg 13 between the raised position and the lowered position. .
【0017】次に、以上のように構成された高さ調整手
段11の動作を説明する。図3(a)に示すように、机
本体1の自重によって出退脚13がスプリング14の付
勢力に抗して上昇位置に押し上げられて筒状本体12内
に退入し、レバー19の下端の係合ローラ21が係合溝
17の延長経路17c内に位置している状態から、図3
(b)に示すように、脚2を床面から持ち上げると、ス
プリング14の付勢力にて出退脚13が下降し、それに
伴って係合ローラ21が延長経路17cから上昇経路1
7aに入り、この上昇経路17aを上昇してその上端で
係合し、これによって出退脚13の下降が停止する。こ
のとき、出退脚13は脚2の下端から大きく突出してい
る。Next, the operation of the height adjusting means 11 configured as described above will be described. As shown in FIG. 3A, the extension / retraction leg 13 is pushed up to a raised position against the urging force of the spring 14 by the weight of the desk main body 1 and retreats into the cylindrical main body 12. From the state in which the engagement roller 21 of FIG.
As shown in (b), when the leg 2 is lifted from the floor surface, the retractable leg 13 is lowered by the urging force of the spring 14, and the engaging roller 21 is accordingly moved from the extension path 17c to the ascending path 1c.
7a, the ascending path 17a ascends and engages at its upper end, whereby the lowering of the retractable leg 13 stops. At this time, the retractable leg 13 protrudes largely from the lower end of the leg 2.
【0018】次に、図2(c)に示すように、持ち上げ
ていた脚2を降ろすと、出退脚13の接地部16が床面
に当接し、机本体1の自重によってスプリング14の付
勢力に抗して出退脚13が押し上げられる。係合ローラ
21は溝底段部18にて逆行が防止されているので、次
の下降経路17bを下降してその下端に係合し、これに
よって出退脚13のそれ以上の上昇が阻止される。かく
して、出退脚13は脚2の下端面より突出した状態で係
止され、見かけ上脚2の長さが長くなり、机本体1の高
さが高くなる。Next, as shown in FIG. 2 (c), when the lifted leg 2 is lowered, the ground contact portion 16 of the retractable leg 13 comes into contact with the floor surface, and the spring 14 is attached to the desk body 1 by its own weight. The withdrawal leg 13 is pushed up against the power. Since the engagement roller 21 is prevented from going backward at the groove bottom step portion 18, it descends on the next descending path 17 b and engages with the lower end thereof, whereby further elevation of the retractable leg 13 is prevented. You. Thus, the retractable leg 13 is locked in a state of protruding from the lower end surface of the leg 2, and apparently the length of the leg 2 is increased, and the height of the desk body 1 is increased.
【0019】次に、机本体1の高さを元に戻す場合に
は、図3(d)に示すように、脚2を再び床面から持ち
上げる。すると、スプリング14の付勢力にて出退脚1
3が下降し、それに伴って溝底段部18にて係合ローラ
21の逆行が防止されているので、係合ローラ21は次
の上昇経路17aを上昇してその上端に係合し、これに
よって出退脚13のそれ以上の下降が阻止される。Next, when the height of the desk body 1 is returned to the original position, the legs 2 are lifted off the floor again as shown in FIG. Then, the retractable leg 1 is pushed by the urging force of the spring 14.
3 is lowered, and the reverse movement of the engaging roller 21 is prevented at the groove bottom step portion 18. Accordingly, the engaging roller 21 moves up the next ascending path 17a and engages with the upper end thereof. As a result, further lowering of the legs 13 is prevented.
【0020】次に、その状態から持ち上げていた脚2を
降ろすと、図3(a)に示すように、出退脚13の接地
部16が床面に接地し、机本体1の自重によってスプリ
ング14の付勢力に抗して出退脚13が押し上げられ、
それに伴って係合ローラ21は溝底段部18にて逆行が
防止されているために次の下降経路17bを下降し、そ
の下端からさらに延長経路17cに入り、その状態で出
退脚13が筒状本体12内に完全に退入し、筒状本体1
2の底板部23が接地部16を介して床面に接地した状
態となる。Next, when the leg 2 which has been lifted from that state is lowered, as shown in FIG. The retracting leg 13 is pushed up against the urging force of 14,
Accordingly, the engagement roller 21 descends on the next descending path 17b because the backward movement is prevented by the groove bottom step portion 18, and further enters the extension path 17c from the lower end thereof, and in this state, the extension / retraction leg 13 is moved. When the cylindrical body 1 completely retreats into the cylindrical body 12,
The second bottom plate portion 23 is in contact with the floor via the ground portion 16.
【0021】なお、上記動作説明から明らかなように係
合溝17の延長経路17cは、出退脚13が図3(a)
の状態に向けて上昇するときに係合ローラ21が溝底段
部18を確実に通過しかつ図3(a)の状態で係合溝1
7の最下端と係合ローラ21が干渉するのを防止するた
めに設けられており、また下降経路17bの延長方向に
斜めに傾斜させて形成することにより、係合ローラ21
が下降経路17bと上昇経路17aの分岐部の角部に衝
突するのを防止している。As is apparent from the above description of the operation, the extension path 17c of the engagement groove 17 has the extension / retraction leg 13 shown in FIG.
3A, the engaging roller 21 surely passes through the groove bottom step portion 18 and the engaging groove 1 in the state shown in FIG.
7 is provided to prevent interference between the lowermost end of the engaging roller 21 and the engaging roller 21. The engaging roller 21 is formed so as to be inclined obliquely in the extension direction of the descending path 17b.
Is prevented from colliding with the corner of the branch between the descending path 17b and the ascending path 17a.
【0022】このように、本実施例によれば、机本体1
の脚2を一度床面から持ち上げることにより、出退脚1
3を脚2の下端から突出させて机本体1の高さを高くす
ることができ、その後再度脚2を持ち上げることにより
出退脚13を脚2の下端部に退入させることができるた
め、極めて簡単な操作で机本体1の高さを切換えること
ができる。また、高さ調整手段11はコンパクトに構成
できて細い脚2の下端部にも埋設して装着できるととも
に、安価に構成できる。As described above, according to the present embodiment, the desk body 1
Lifting the leg 2 once off the floor,
3 can be protruded from the lower end of the leg 2 to increase the height of the desk body 1, and then the leg 2 can be lifted up again so that the retractable leg 13 can be retracted into the lower end of the leg 2. The height of the desk body 1 can be switched by a very simple operation. In addition, the height adjusting means 11 can be configured compactly, can be embedded and mounted on the lower end of the thin leg 2, and can be configured at low cost.
【0023】上記実施例では、出退脚13が突出した状
態と退入した状態の2位置で机本体1の高さを切換える
ようにした例を示したが、図4に示すように、出退脚1
3の突出位置を複数段設けることにより、机本体1の高
さを多数段階で高さ調整できるようにすることができ
る。In the above-described embodiment, the height of the desk body 1 is switched between the two positions, that is, the protruding and retracting legs 13 and the retracted state. However, as shown in FIG. Retreat 1
By providing a plurality of protruding positions of the table 3, the height of the desk body 1 can be adjusted in a number of steps.
【0024】図4の高さ調整手段11においては、出退
脚13に、3つの上昇経路17aと3つの下降経路17
bを上下方向に直列に交互に接続するとともに、その下
端と上端を復帰用の上昇経路17aと下降経路17bに
て接続してループ状に連続させた係合溝17が形成され
ている。In the height adjusting means 11 shown in FIG. 4, three rising paths 17a and three descending paths 17
b are alternately connected in series in the up-down direction, and the lower end and the upper end thereof are connected by an ascending path 17a and a descending path 17b for return, thereby forming an engagement groove 17 which is continuous in a loop.
【0025】以上の構成によると、図4(a)に示すよ
うに出退脚13が退入した状態から脚2を一旦大きく持
ち上げて降ろすことにより、図4(b)に示すように、
出退脚13が最も長く突出して机本体1が最も高い状態
となり、その後脚2を持ち上げる度に出退脚13が仮想
線で示すように順次退入し、3回目で図4(a)の状態
に復帰する。このように本実施例によれば、脚2を持ち
上げる操作を繰り返すことにより机本体1の高さを多段
階に順次切換えることができる。According to the above structure, the leg 2 is temporarily lifted and lowered from the state in which the retractable leg 13 is retracted as shown in FIG.
The retractable legs 13 project the longest and the desk body 1 becomes the highest state. Thereafter, each time the legs 2 are lifted, the retractable legs 13 sequentially retreat as shown by the imaginary line, and at the third time, as shown in FIG. Returns to the state. As described above, according to the present embodiment, the height of the desk main body 1 can be sequentially switched in multiple stages by repeating the operation of lifting the leg 2.
【0026】[0026]
【発明の作用及び効果】本発明の高さ調整可能な机は以
上のように実施し得るものであって、脚を床面に接地さ
せた状態と床面から持ち上げた状態の繰り返しにより、
出退脚が脚内に退入して脚の下端が床面に接地した状態
と出退脚が脚の下端から突出した状態との間で位置が切
換えられるので、脚を一旦持ち上げて降ろすという簡単
な動作を繰り返すだけで机の高さの切換えを行うことが
でき、車椅子に乗った身体障害者であっても車椅子に乗
ったまま簡単に机の高さを調整することができる。The height-adjustable desk of the present invention can be embodied as described above. By repeating the state in which the legs are grounded on the floor surface and the legs are lifted off the floor surface,
The position can be switched between a state where the legs are retracted into the legs and the lower ends of the legs touch the floor and a state where the legs are protruded from the lower ends of the legs, so that the legs are once lifted and lowered. The desk height can be switched by simply repeating a simple operation, and even a physically handicapped person in a wheelchair can easily adjust the desk height while in the wheelchair.
【0027】また、出退脚の突出位置を複数段設ける
と、脚の持ち上げ操作を繰り返すことにより机本体の高
さを多段階に順次切換えることができる。Further, when the projecting positions of the retractable legs are provided in a plurality of stages, the height of the desk body can be sequentially switched in multiple steps by repeating the lifting operation of the legs.
【0028】また、高さ調整手段として、出退脚を筒状
本体にて昇降自在に支持するとともにスプリングにて下
降付勢し、出退脚に上昇経路と下降経路を交互に接続し
てループ状に連続させた係合溝を形成し、係合溝に係合
する係合部を下端に設けたレバーにて出退脚を係止する
ようにした構成を採用すると、脚を持ち上げると出退脚
がスプリングの付勢力によって下降して脚下端から突出
するとともに係合部が係合溝の上昇経路を上昇して下降
経路に移行し、その状態で脚を降ろすと係合部が下降経
路端に係合して出退脚の上昇が阻止されることにより出
退脚の突出状態が維持されて机本体の高さを高くするこ
とができ、次に再び脚を持ち上げると係合部が次の上昇
経路を上昇して次の下降経路に移行することにより、そ
の状態で脚を降ろすと出退脚を退入させることができ、
従って上記のように脚を持ち上げるだけの簡単な操作で
机本体の高さを調整でき、かつ構成が簡単でコンパクト
に構成できるので、細い脚の下端部にも埋設して装着す
ることができる。As height adjusting means, the retractable leg is supported by a cylindrical body so as to be able to move up and down, and is urged downward by a spring. The upward and downward paths are alternately connected to the retractable leg to form a loop. When a configuration is adopted in which an engaging groove is formed in a continuous shape, and a retractable leg is locked by a lever provided at the lower end with an engaging portion engaging with the engaging groove, when the leg is raised, The retreating leg is lowered by the urging force of the spring and protrudes from the lower end of the leg, and the engaging part moves up the rising path of the engaging groove and shifts to the descending path. When the leg is lowered in this state, the engaging part moves down the path. By engaging with the end and preventing the raising and lowering legs from being lifted, the protruding state of the raising and lowering legs can be maintained, and the height of the desk body can be increased. Go down the next ascent path and move on to the next descending path, and then drop your legs The Shisaashi out and can cause retracts,
Therefore, the height of the desk main body can be adjusted by a simple operation of lifting the leg as described above, and the configuration can be simplified and compact, so that it can be buried and attached to the lower end of the thin leg.
【0029】また、係合溝を嵌入空間の両側に形成し、
レバー下端に固着した保持筒の両端に係合部を構成する
係合ローラを支持することにより大きな荷重を安定して
支持することができ、また逆行防止手段を溝底段部にて
構成して係合ローラを溝底に向けて突出付勢することに
より簡単な構成にて信頼性の高い逆行防止作用が得られ
る。Further, engaging grooves are formed on both sides of the fitting space,
A large load can be stably supported by supporting the engaging rollers constituting the engaging portions at both ends of the holding cylinder fixed to the lower end of the lever. By urging the engagement roller toward the bottom of the groove, a highly reliable anti-reverse action can be obtained with a simple configuration.
【図1】 本発明の高さ調整可能な机の一実施例の全体
概略構成と使用状態を示す正面図である。FIG. 1 is a front view showing an overall schematic configuration and a use state of an embodiment of a desk capable of adjusting a height according to the present invention.
【図2】 同実施例の高さ調整手段を示し、(a)は縦
断正面図、(b)は縦断側面図でである。2A and 2B show height adjusting means of the embodiment, wherein FIG. 2A is a longitudinal front view and FIG. 2B is a longitudinal side view.
【図3】 同実施例の高さ調整手段の動作状態を示し、
(a)は脚の下端が床面に接地した状態の縦断正面図、
(b)は脚を床面から持ち上げた状態の縦断正面図、
(c)は出退脚が突出して床面に接地した状態の縦断正
面図、(d)は脚を再び床面から持ち上げた状態の縦断
正面図である。FIG. 3 shows an operation state of the height adjusting means of the embodiment;
(A) is a longitudinal front view in a state where the lower ends of the legs are in contact with the floor,
(B) is a longitudinal sectional front view in a state where the legs are lifted from the floor,
(C) is a longitudinal front view in a state where the retractable legs protrude and touches the floor, and (d) is a longitudinal front view in a state where the legs are lifted again from the floor.
【図4】 本発明の高さ調整可能な机の他の実施例にお
ける高さ調整手段を示し、(a)は出退脚が退入した状
態の縦断正面図、(b)は出退軸が最も突出状態の縦断
正面図である。FIGS. 4A and 4B show height adjusting means in another embodiment of the height-adjustable desk according to the present invention, wherein FIG. 4A is a longitudinal sectional front view showing a state in which a retractable leg is retracted, and FIG. Is a vertical front view of the most protruding state.
1 机本体 2 脚 11 高さ調整手段 12 筒状本体 13 出退脚 14 スプリング 15 係止手段 17 係合溝 17a 上昇経路 17b 下降経路 18 溝底段部(逆行防止手段) 19 レバー 20 保持筒 21 係合ローラー(係合部) 22 嵌入空間 DESCRIPTION OF SYMBOLS 1 Desk main body 2 legs 11 Height adjusting means 12 Cylindrical main body 13 Retractable leg 14 Spring 15 Locking means 17 Engaging groove 17a Ascending path 17b Descending path 18 Groove bottom step (retrograde prevention means) 19 Lever 20 Holding cylinder 21 Engaging roller (engaging portion) 22 Fitting space
Claims (4)
れ、脚(2) を床面に接地させた状態と床面から持ち上げ
た状態の繰り返しにより、脚(2) 内に退入して脚(2) の
下端が床面に接地する状態と脚(2) の下端から突出した
状態との間で位置が切換えられる出退脚(13)を有する高
さ調整可能な机。A desk body (1) and height adjusting means (11), the height adjusting means (11) is attached to a lower end of a leg (2) of the desk body (1), Repeatedly touching the floor to the floor and lifting it from the floor, the robot retreats into the leg (2), and the lower end of the leg (2) touches the floor and the lower end of the leg (2). A height-adjustable desk having a retractable leg (13) whose position can be switched between a protruding state and a protruding state.
いる請求項1に記載の高さ調整可能な机。2. The height-adjustable desk according to claim 1, wherein a plurality of projecting positions of the retractable legs are provided.
在に支持する筒状本体(12)と、出退脚(13)を下降方向に
付勢するスプリング(14)と、係止手段(15)を有し、出退
脚(13)には上昇経路(17a) と下降経路(17b) が交互に接
続されてループ状に連続するとともに逆行防止手段(18)
を設けられた係合溝(17)が形成され、係止手段(15)は上
端が筒状本体(12)の上端部に枢支されたレバー(19)とそ
の下端に係合溝(17)に係合するように設けられた係合部
(21)からなる請求項1または2に記載の高さ調整可能な
机。The height adjusting means (11) includes a tubular body (12) for supporting the retractable leg (13) so as to be able to move up and down, and a spring (14) for urging the retractable leg (13) in a downward direction. ), A locking means (15), and an ascending path (17a) and a descending path (17b) are alternately connected to the extension / retraction leg (13) so as to be continuous in a loop shape and to prevent a reverse movement (18).
An engagement groove (17) provided with a lever (19) whose upper end is pivotally supported by the upper end of the cylindrical body (12) and an engagement groove (17) is provided at the lower end thereof. )
The height-adjustable desk according to claim 1 or 2, wherein the desk is adjustable.
に形成された嵌入空間(22)の両側に形成され、逆行防止
手段(18)は、係合溝(17)の各上昇経路(17a) 端と下降経
路(17b) 端において溝底に形成された溝底段部(18)にて
構成され、係合部(21)は、レバー(19)の下端に固定され
た保持筒(20)の両端に装着されるとともに溝底に向けて
突出付勢された係合ローラ(21)から成る請求項3に記載
の高さ調整可能な机。4. An engagement groove (17) is formed on both sides of a fitting space (22) formed at the center of the extension / retraction leg (13) in a plan view, and the reverse movement preventing means (18) is provided with an engagement groove. (17) is composed of a groove bottom step (18) formed at the bottom of the groove at the end of each ascending path (17a) and the end of the descending path (17b), and the engaging part (21) is provided with a lever (19). The height-adjustable desk according to claim 3, comprising an engaging roller (21) mounted on both ends of the holding cylinder (20) fixed to the lower end and urged toward the groove bottom.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6173294A JP3015675B2 (en) | 1994-06-30 | 1994-06-30 | Height adjustable desk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6173294A JP3015675B2 (en) | 1994-06-30 | 1994-06-30 | Height adjustable desk |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0810049A JPH0810049A (en) | 1996-01-16 |
JP3015675B2 true JP3015675B2 (en) | 2000-03-06 |
Family
ID=15957782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6173294A Expired - Lifetime JP3015675B2 (en) | 1994-06-30 | 1994-06-30 | Height adjustable desk |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3015675B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2783600A1 (en) * | 2013-03-29 | 2014-10-01 | Martin G. Hilley | Holder for devices in a furniture panel |
WO2017151076A1 (en) * | 2016-02-29 | 2017-09-08 | Ocak Kalip Maki̇na İmalat Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Self-locking and concealable leg system in furniture |
-
1994
- 1994-06-30 JP JP6173294A patent/JP3015675B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0810049A (en) | 1996-01-16 |
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