JP6888311B2

JP6888311B2 - Desk device with lifting top plate

Info

Publication number: JP6888311B2
Application number: JP2017017101A
Authority: JP
Inventors: 圭守田; 朋興城ノ下; 晴洋江連
Original assignee: Itoki Corp
Current assignee: Itoki Corp
Priority date: 2017-02-01
Filing date: 2017-02-01
Publication date: 2021-06-16
Anticipated expiration: 2037-02-01
Also published as: JP2018121935A

Description

本発明は、昇降天板付きデスク装置に係わり、更に詳しくは対面で使用する昇降天板付きデスク装置に関するものである。 The present invention relates to a desk device with an elevating top plate, and more particularly to a desk device with an elevating top plate used face-to-face.

従来から、左右両側に配した脚体を固定脚に対して可動脚を上下動可能に支持した構造とし、これら固定脚と可動脚との間に駆動機構部を設けて該可動脚を昇降駆動し、該可動脚の上端に取付けた天板の高さを調節可能とし、更にそれぞれ独立して昇降可能とした天板を前後に配置して対面で使用可能な昇降天板付きデスク装置は各種提供されている。 Conventionally, the legs arranged on both the left and right sides have a structure in which the movable legs can be moved up and down with respect to the fixed legs, and a drive mechanism is provided between the fixed legs and the movable legs to drive the movable legs up and down. However, there are various desk devices with an elevating top plate that can be used face-to-face by arranging the top plates attached to the upper ends of the movable legs so that the height of the top plate can be adjusted and that the top plates can be raised and lowered independently. It is provided.

例えば、特許文献１には、左右両側に配置する一対の脚体の前後端部に伸縮脚をそれぞれ配置し、前側と後側に位置するそれぞれの左右伸縮脚の上端間をビームで連結するとともに、該ビームに前後方向に延びた支持アームを連設し、これらビームと支持アームで天板を支持し、前後の天板がそれぞれ独立して昇降可能とした構造の昇降天板付きデスク装置が記載されている。ここで、前記伸縮脚は、鉛直方向に延びた固定脚と、該固定脚の内部に配置されて昇降可能な可動脚とから構成され、前後の伸縮脚の固定脚の上下端同士を連結杆で連結して側面視四角形状のフレーム脚を構成し、そして前記可動脚の上端に前記ビームを連結している構造となっている。更に、左右両側のベース脚を構成する上側連結杆の前後中央部間には配線ダクトが取付けられているとともに、前後の天板間に位置するパネル板が取付けられている。 For example, in Patent Document 1, telescopic legs are arranged at the front and rear ends of a pair of legs arranged on both the left and right sides, and the upper ends of the left and right telescopic legs located on the front side and the rear side are connected by a beam. A desk device with an elevating top plate has a structure in which support arms extending in the front-rear direction are connected to the beam, the top plate is supported by these beams and the support arm, and the front and rear top plates can be raised and lowered independently. Are listed. Here, the telescopic legs are composed of a fixed leg extending in the vertical direction and a movable leg that is arranged inside the fixed leg and can be raised and lowered, and connects the upper and lower ends of the fixed legs of the front and rear telescopic legs. The frame legs have a quadrangular side view, and the beams are connected to the upper ends of the movable legs. Further, a wiring duct is attached between the front and rear center portions of the upper connecting rods constituting the base legs on both the left and right sides, and a panel plate located between the front and rear top plates is attached.

また、特許文献２，３には、各上面に作業面を有し、互いに対向して配置される一対の天板と、前記一対の天板の対向方向と略直交する方向に離間して配置され、前記一対の天板を高さ調整可能に支持する一対の支持構造体と、を備え、前記支持構造体は、床面上に設置されて前記一対の天板の対向する方向に沿って延出するベース部材と、該ベース部材の延出方向の両端位置からそれぞれ上方に向かって立設され、前記一対の天板のそれぞれを高さ調整可能に支持する一対の伸縮脚と、を備えている昇降天板付きデスク装置が記載されている。更に、各前記支持構造体の前記ベース部材の延出方向の略中間位置から上方に立設される支柱部の上部間に、一対の前記天板の間を仕切るパネル板が上方に向かって立設されているとともに、内部に配線収容空間を有する配線ダクトを架設している点も記載されている。 Further, in Patent Documents 2 and 3, a pair of top plates having working surfaces on the upper surfaces thereof and arranged so as to face each other are arranged so as to be separated from each other in a direction substantially orthogonal to the facing direction of the pair of top plates. A pair of support structures that support the pair of top plates in a height-adjustable manner, and the support structures are installed on the floor surface and along the opposite directions of the pair of top plates. It is provided with a base member that extends and a pair of telescopic legs that are erected upward from both end positions in the extension direction of the base member and support each of the pair of top plates so that the height can be adjusted. The desk device with the elevating top plate is described. Further, a panel plate for partitioning between the pair of top plates is erected upward between the upper portions of the support columns erected upward from a substantially intermediate position in the extending direction of the base member of each of the support structures. At the same time, it is also described that a wiring duct having a wiring accommodation space is erected inside.

これらの昇降天板を備えたデスクにおいて、天板を高く設定して使用者が立ち姿勢で使用する場合、椅子が邪魔になるので、天板の下方空間に椅子を押し込んで格納することが多い。この場合、特許文献１〜３に記載されたデスクは、何れも配線ダクトが無防備な状態で露出しているため、椅子を強く天板下へ押し込んだ際に配線ダクトに衝突して、配線ダクトが損傷する恐れがある。 In a desk equipped with these elevating top plates, when the top plate is set high and the user uses it in a standing posture, the chair is an obstacle, so the chair is often pushed into the space below the top plate to be stored. .. In this case, since the wiring ducts of the desks described in Patent Documents 1 to 3 are all exposed in an unprotected state, they collide with the wiring ducts when the chair is strongly pushed under the top plate, and the wiring ducts are exposed. May be damaged.

欧州特許出願公開第２４４３９６２号明細書European Patent Application Publication No. 2443962 国際公開第２０１３／０３７０７２号International Publication No. 2013/037072 特開２０１５−１９８９４９号公報JP-A-2015-198949

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、左右両側に配置した一対の脚体で、前後に配置した２つの天板がそれぞれ独立して高さ調節可能に支持された昇降天板付きデスク装置において、天板下の空間に椅子を押し込んだ際にも、前後の天板間に配置した配線ダクトに直接椅子が当たることがない昇降天板付きデスク装置を提供する点にある。 Therefore, in view of the above situation, the present invention attempts to solve the problem by providing a pair of legs arranged on both the left and right sides, and the two top plates arranged in the front and rear are independently supported by the height adjustable. In the desk device with a lifting top plate, even when the chair is pushed into the space under the top plate, the desk device with a lifting top plate is provided so that the chair does not directly hit the wiring duct arranged between the front and rear top plates. It is in.

本発明は、前述の課題解決のために、以下に構成する昇降天板付きデスク装置を提供する。 The present invention provides a desk device with an elevating top plate, which is configured as follows, in order to solve the above-mentioned problems.

（１）
左右両側に配置した一対の脚体で、前後に配置した２つの天板がそれぞれ独立して高さ調節可能に支持された昇降天板付きデスク装置であって、
前記脚体は、床面に配置する脚ユニットと、該脚ユニットの前後端部に下部を立起状態で固定し、上端で前記天板を支持する伸縮脚と、を備え、
前記脚ユニットは、前後に前記伸縮脚の下部を受け入れて固定する支持筒を有するとともに、両支持筒の上下端部を一対の上連結杆と下連結杆で連結した構造であり、
左右の脚ユニットの前記下連結杆間を連係フレームで連結するとともに、該連係フレームの上位であって両脚ユニットの前記上連結杆間に配線ダクトの両端を取付けて設け、該配線ダクトよりも前記連係フレームが奥行方向の前後に突出設定されていることを特徴とする昇降天板付きデスク装置。 (1)
It is a desk device with an elevating top plate in which two top plates arranged in the front and back are independently supported by a pair of legs arranged on both the left and right sides so that the height can be adjusted.
The leg body includes a leg unit to be arranged on the floor surface, and a telescopic leg having a lower portion fixed to the front and rear ends of the leg unit in an upright state and supporting the top plate at the upper end.
The leg unit has a support cylinder that receives and fixes the lower portion of the telescopic leg in the front and rear, and has a structure in which the upper and lower ends of both support cylinders are connected by a pair of upper connecting rods and lower connecting rods.
Together between the lower connecting rod of right and left leg units are connected by associated frame, a upper該連engagement frame provided by attaching the ends of the cable duct between the upper connecting rod of the legs unit than said wiring duct A desk device with an elevating top plate, characterized in that the linking frame is set to project forward and backward in the depth direction.

（２）
前記配線ダクトの両端面に回転開閉可能な蓋体を設けてなる（１）記載の昇降天板付きデスク装置。 (2)
The desk device with an elevating top plate according to (1), wherein lids that can be rotated and opened and closed are provided on both end surfaces of the wiring duct.

（３）
前記配線ダクトは、上方開放の断面略コ字形のダクト本体と、該ダクト本体を前記脚ユニットの上連結杆に取付けるための端部固定部材と、両脚ユニット間の前記ダクト本体の上面を開閉自在に覆うダクトカバーとからなる（１）又は（２）記載の昇降天板付きデスク装置。 (3)
The wiring duct can open and close a duct body having a substantially U-shaped cross section that opens upward, an end fixing member for attaching the duct body to the upper connecting rod of the leg unit, and an upper surface of the duct body between both leg units. The desk device with an elevating top plate according to (1) or (2), which comprises a duct cover covering the above.

以上にしてなる本発明の昇降天板付きデスク装置は、以下の効果を奏するものである。 The desk device with an elevating top plate of the present invention as described above has the following effects.

（１）の構成によれば、電源コード等の各種のコード類を配線できる配線ダクトよりも前記連係フレームが奥行方向の前後に突出設定されているので、椅子を天板下に押し込んだ際に、椅子が先に連係フレームに当たるので、直接配線ダクトに椅子が当たることがなく、配線ダクトの損傷を防止できる。また、脚ユニットの上連結杆と下連結杆に、それぞれ配線ダクトと連係フレームを別々に連結することにより、組み立て作業が容易になるとともに、荷重の分散がなされ、また配線ダクトと連係フレームを連結するために設ける孔や下穴若しくは螺孔の集中を防ぎ、連結杆と下連結杆の強度の低下を防止できる。 According to the configuration of (1), the linking frame is set to protrude forward and backward in the depth direction from the wiring duct to which various cords such as the power cord can be wired, so that when the chair is pushed under the top plate, it is set. Since the chair hits the linking frame first, the chair does not hit the wiring duct directly, and damage to the wiring duct can be prevented. Further, by separately connecting the wiring duct and the linking frame to the upper connecting rod and the lower connecting rod of the leg unit, the assembly work is facilitated, the load is distributed, and the wiring duct and the linking frame are connected. It is possible to prevent the concentration of holes, pilot holes or screw holes provided for the purpose, and to prevent a decrease in the strength of the connecting rod and the lower connecting rod.

（２）の構成によれば、複数の昇降天板付きデスク装置を並設した場合に、蓋体を開放して配線ダクト間に渡ってコード類を横通線でき、また蓋体は回転によって開閉するので、横通線するときは簡単に配線ダクトの端面を開放することができ、また横通線しないときには配線ダクトの端面を閉じて外観性を損なわないようにすることができる。 According to the configuration of (2) , when a plurality of desk devices with elevating top plates are arranged side by side, the lid can be opened and cords can be horizontally passed between the wiring ducts, and the lid can be rotated. Since it opens and closes, the end face of the wiring duct can be easily opened when the wiring is cross-wired, and the end face of the wiring duct can be closed when the wiring is not cross-wired so as not to impair the appearance.

（３）の構成によれば、配線ダクトの脚ユニットの上連結杆への取付けが容易であり、また両脚ユニット間の前記ダクト本体の上面をダクトカバーで開閉自在に覆ったので、コード類の配線が容易に行える。 According to the configuration of (3) , it is easy to attach the wiring duct to the upper connecting rod of the leg unit, and the upper surface of the duct body between the leg units is covered with a duct cover so that the cords can be opened and closed. Wiring is easy.

本発明に係る昇降天板付きデスク装置を示し、一方の天板を立ち姿勢で使用する高い状態、他方の天板を着座姿勢で使用する低い状態に設定した全体斜視図である。FIG. 5 is an overall perspective view showing a desk device with an elevating top plate according to the present invention, in which one top plate is set in a high state when used in a standing posture and the other top plate is set in a low state when used in a sitting posture. 両方の天板を低い状態に設定した全体斜視図である。It is an overall perspective view which set both top plates in a low state. 両方の天板を高い状態に設定した全体斜視図である。It is an overall perspective view which set both top plates in a high state. 天板と配線ダクトを省略した状態の斜視図である。It is a perspective view in a state where the top plate and the wiring duct are omitted. 天板を省略した状態の斜視図である。It is a perspective view in a state where the top plate is omitted. 脚体の構造を示す分解斜視図である。It is an exploded perspective view which shows the structure of a leg body. 伸縮脚を支持する脚ユニットの部分分解斜視図である。It is a partial decomposition perspective view of the leg unit which supports a telescopic leg. 昇降機構部を省略した脚体の縦断側面図である。It is a vertical sectional side view of the leg body which omitted the elevating mechanism part. 脚体の部分縦断正面図である。It is a partial longitudinal front view of a leg body. 本発明に係る配線ダクトの分解斜視図である。It is an exploded perspective view of the wiring duct which concerns on this invention. 同じく配線ダクトの部分拡大分解斜視図である。Similarly, it is a partially enlarged disassembled perspective view of the wiring duct. 両脚ユニット間に配線ダクトを取付けた状態の横断平面図である。It is a cross-sectional plan view in a state where a wiring duct is attached between both leg units. 同じく縦断正面図である。It is also a vertical sectional front view. 本発明に係る配線ダクトの要部拡大縦断正面図である。It is an enlarged vertical sectional front view of the main part of the wiring duct which concerns on this invention.

次に、添付図面に示した実施形態に基づき、本発明を更に詳細に説明する。図１〜図３は本発明の昇降天板付きデスク装置を示し、図４〜図９はその詳細を示し、図中符号１は脚体、２は前側の天板、３は後側の天板、４は脚ユニット、５は前側の伸縮脚、６は後側の伸縮脚、７は支持筒、８は上連結杆、９は下連結杆をそれぞれ示している。 Next, the present invention will be described in more detail based on the embodiments shown in the accompanying drawings. 1 to 3 show a desk device with an elevating top plate of the present invention, FIGS. 4 to 9 show the details thereof, in which reference numeral 1 is a leg, 2 is a front top plate, and 3 is a rear top. Plate 4 is a leg unit, 5 is a front telescopic leg, 6 is a rear telescopic leg, 7 is a support cylinder, 8 is an upper connecting rod, and 9 is a lower connecting rod.

本発明の昇降天板付きデスク装置は、図１〜３に示すように、左右両側に配置した一対の脚体１，１で、前後に配置した２つの天板２，３がそれぞれ独立して高さ調節可能に支持された構造である。そして、前記脚体１は、床面に配置する脚ユニット４と、該脚ユニット４の前後端部に下部を立起状態で固定し、上端で前記天板を支持する伸縮脚５，６と、を備えている。更に、前記脚ユニット４は、前後に前記伸縮脚５，６の下部を受け入れて固定する支持筒７，７を有するとともに、両支持筒７，７の上下端部を一対の上連結杆８と下連結杆９で連結した構造である。 As shown in FIGS. 1 to 3, the desk device with an elevating top plate of the present invention has a pair of legs 1 and 1 arranged on both the left and right sides, and two top plates 2 and 3 arranged in the front and rear are independent of each other. The structure is supported with adjustable height. Then, the leg body 1 includes a leg unit 4 arranged on the floor surface, and telescopic legs 5 and 6 having a lower portion fixed to the front and rear ends of the leg unit 4 in an upright state and supporting the top plate at the upper end. , Is equipped. Further, the leg unit 4 has support cylinders 7 and 7 that receive and fix the lower portions of the telescopic legs 5 and 6 in the front and rear directions, and the upper and lower ends of both support cylinders 7 and 7 are connected to a pair of upper connecting rods 8. It is a structure connected by a lower connecting rod 9.

本実施形態では、図１に示すように、前記天板２を立ち姿勢で使用する高い状態、他方の天板３を着座姿勢で使用する低い状態に設定することができるように、前記伸縮脚５，６はストロークの長い構造で、後述のように電動駆動するものを採用している。前後の天板２，３は、それぞれ独立して高さ調節ができるようになっており、図１に示したように、一方を高い状態、他方を低い状態に設定するほか、図２に示すように、両方の天板２，３を低い状態に設定したり、図３に示すように、両方の天板２，３を高い状態に設定することも可能である。 In the present embodiment, as shown in FIG. 1, the telescopic legs can be set to a high state in which the top plate 2 is used in a standing posture and a low state in which the other top plate 3 is used in a sitting posture. Nos. 5 and 6 have a long stroke structure, and are electrically driven as described later. The heights of the front and rear top plates 2 and 3 can be adjusted independently, and as shown in FIG. 1, one is set to a high state and the other is set to a low state, and the other is shown in FIG. As described above, both top plates 2 and 3 can be set to a low state, and as shown in FIG. 3, both top plates 2 and 3 can be set to a high state.

ここで、前記脚ユニット４は、図６〜図９に示すように、前記両支持筒７，７の上下端部を一対の上連結杆８と下連結杆９で着脱可能にネジ止め連結した構造とし、前記支持筒７の上下端には側方へ一体的に突設した上係合部１０と下係合部１１を有し、上係合部１０には前記上連結杆８の端部を側方から外嵌した状態で、嵌合方向と直交する方向からネジ１２で連結状態とし、下係合部１１には前記下連結杆９の端部を側方から外嵌した状態で、嵌合方向からネジ１３で引き付け連結状態としている。ここで、前記上連結杆８と下連結杆９は、角パイプ若しくは丸パイプで作製している。そうすることによって、前記脚ユニット４の奥行寸法の変更に対して、前記上連結杆８と下連結杆９の長さを変更するだけで対応できる。前記上連結杆８と下連結杆９を板金で作製した場合には、寸法の変更が容易ではない。 Here, as shown in FIGS. 6 to 9, the leg unit 4 is detachably screwed and connected to the upper and lower ends of both support cylinders 7 and 7 with a pair of upper connecting rods 8 and lower connecting rods 9. As a structure, the upper and lower ends of the support cylinder 7 have an upper engaging portion 10 and a lower engaging portion 11 integrally projecting laterally, and the upper engaging portion 10 has an end of the upper connecting rod 8. In a state where the portion is externally fitted from the side, the screw 12 is connected from the direction orthogonal to the fitting direction, and the end portion of the lower connecting rod 9 is externally fitted to the lower engaging portion 11. , It is attracted and connected by the screw 13 from the fitting direction. Here, the upper connecting rod 8 and the lower connecting rod 9 are made of a square pipe or a round pipe. By doing so, it is possible to respond to the change in the depth dimension of the leg unit 4 only by changing the lengths of the upper connecting rod 8 and the lower connecting rod 9. When the upper connecting rod 8 and the lower connecting rod 9 are made of sheet metal, it is not easy to change the dimensions.

また、前記脚ユニット４の支持筒７は、図６〜図８に示すように、ダイカストで一体的に形成したものであり、上方開放した有底の筒部１４を有し、前記伸縮脚５，６の下部を上方から嵌挿した状態で、前記筒部１４の底面部１５を下方から貫通したネジ１６で前記伸縮脚５，６の下端を引き付け状態で固定している。 Further, as shown in FIGS. 6 to 8, the support cylinder 7 of the leg unit 4 is integrally formed by die casting, has a bottomed cylinder portion 14 opened upward, and has the telescopic leg 5. With the lower part of, 6 inserted from above, the lower ends of the telescopic legs 5 and 6 are fixed in an attractive state with a screw 16 penetrating the bottom surface portion 15 of the tubular portion 14 from below.

更に、前記脚ユニット４の支持筒７は、前記底面部１５の下面側にアジャスターボルト１７を螺合する筒状のアジャスター受部１８を一体的に設け、該アジャスター受部１８にアジャスターボルト１７を螺合することによりアジャスター１９を構成している。 Further, the support cylinder 7 of the leg unit 4 is integrally provided with a tubular adjuster receiving portion 18 for screwing an adjuster bolt 17 on the lower surface side of the bottom surface portion 15, and the adjuster bolt 17 is attached to the adjuster receiving portion 18. The adjuster 19 is formed by screwing.

また、図４、図６及び図９に示すように、両側の前記脚体１，１を構成する下連結杆９，９の中央部同士を連係フレーム２０で連結して、剛性を高めるとともに、椅子の越境移動を制限している。更に、前記下連結杆９の前後中央部の外側には、当止部材２１を、該当止部材２１にネジ止めしたクランク状の固定板２２を前記下連結杆９の下面にネジ止めすることで、側方へ突出状態で取付け、左右に昇降天板付きデスク装置を並べて設置した際に、それぞれの当止部材２１，２１同士を接触させ、左右に隣接する天板２，２及び天板３，３の間に隙間を確保して昇降動作時に干渉しないようにしている。 Further, as shown in FIGS. 4, 6 and 9, the central portions of the lower connecting rods 9 and 9 constituting the legs 1 and 1 on both sides are connected to each other by the linking frame 20 to increase the rigidity and increase the rigidity. The cross-border movement of chairs is restricted. Further, on the outside of the front-rear central portion of the lower connecting rod 9, a crank-shaped fixing plate 22 screwed to the stopping member 21 is screwed to the lower surface of the lower connecting rod 9. , When the desk devices with elevating top plates are installed side by side in a laterally protruding state, the respective retaining members 21 and 21 are brought into contact with each other, and the top plates 2 and 2 and the top plates 3 adjacent to the left and right are contacted. A gap is secured between, and 3 to prevent interference during the ascending / descending operation.

更に詳しくは、図６及び図７に示すように、前記支持筒７の上係合部１０は、前記筒部１４の上端部側面に先端部が段落ち状に細くなるように形成し、該上係合部１０には少なくとも下方へ開放した二つの螺孔２３，２３を形成している。一方、前記上連結杆８は、四角パイプ状であり、端部の下面に二つの座グリ孔２４，２４を形成している。そして、前記上連結杆８の端部を前記上係合部１０に外嵌した状態で、下面の座グリ孔２４，２４から皿ネジ１２，１２を螺合して連結する。 More specifically, as shown in FIGS. 6 and 7, the upper engaging portion 10 of the support cylinder 7 is formed on the side surface of the upper end portion of the cylinder portion 14 so that the tip portion is tapered in a stepped manner. The upper engaging portion 10 is formed with at least two screw holes 23, 23 that are open downward. On the other hand, the upper connecting rod 8 has a square pipe shape, and two spot facing holes 24, 24 are formed on the lower surface of the end portion. Then, with the end of the upper connecting rod 8 fitted onto the upper engaging portion 10, countersunk screws 12 and 12 are screwed from the counterbore holes 24 and 24 on the lower surface to connect the upper connecting rod 8.

また、図６及び図７に示すように、前記支持筒７の下係合部１１は、前記筒部１４の下端部側面に先端部が段落ち状に細くなるように形成するとともに、該下係合部１１の基部に下方へ開放し、前記筒部１４の底面部１５の下方空間と連通するように空間部２５を形成し、該空間部２５を構成する内壁面２６から前記下係合部１１の先端に連通するとともに、下方開放した二つのU字溝２７，２７を形成している。一方、前記下連結杆９は四角パイプ状であり、端部から少し奥に固定片２８が溶接等により固定されており、該固定片２８に二つの螺孔２９，２９を形成している。そして、前記下連結杆９の螺孔２９，２９に予めネジ１３，１３の先端を螺合した状態で、該ネジ１３，１３を前記下係合部１１のU字溝２７，２７と空間部２５に収容するとともに、該下連結杆９の端部を前記下係合部１１に外嵌した状態で、前記ネジ１３，１３を深く螺合して該下連結杆９を支持筒７に引き付け連結する。 Further, as shown in FIGS. 6 and 7, the lower engaging portion 11 of the support cylinder 7 is formed on the side surface of the lower end portion of the cylinder portion 14 so that the tip portion is tapered in a stepped-down manner, and the lower portion thereof is formed. A space portion 25 is formed so as to open downward to the base portion of the engaging portion 11 and communicate with the space below the bottom surface portion 15 of the tubular portion 14, and the lower engagement portion 26 constitutes the space portion 25. It communicates with the tip of the portion 11 and forms two U-shaped grooves 27, 27 that are open downward. On the other hand, the lower connecting rod 9 has a square pipe shape, and a fixing piece 28 is fixed slightly behind the end portion by welding or the like, and two screw holes 29, 29 are formed in the fixing piece 28. Then, with the tips of the screws 13 and 13 screwed into the screw holes 29 and 29 of the lower connecting rod 9 in advance, the screws 13 and 13 are inserted into the U-shaped grooves 27 and 27 of the lower engaging portion 11 and the space portion. The lower connecting rod 9 is attracted to the support cylinder 7 by deeply screwing the screws 13 and 13 in a state where the lower connecting rod 9 is housed in the 25 and the end portion of the lower connecting rod 9 is fitted onto the lower engaging portion 11. Link.

また、前記下連結杆９と連係フレーム２０の連結構造は任意であるが、本実施形態では、図６及び図９に示すように、前記連係フレーム２０の端部に下方へ折曲して固定板３０を形成し、該固定板３０に下方開放したＵ字溝３１，３１を形成し、前記下連結杆９の内側側面に螺孔３２，３２を形成し、リング３３付きのネジ３４，３４を、前記螺孔３２，３２に螺合し、前記連係フレーム２０のＵ字溝３１，３１を前記リング３３，３３に係合した状態でネジ３４，３４を締め付けて連結した。ここで、前記螺孔３２はタッピングネジ３４を使用すれば下穴でよい。尚、前記連係フレーム２０は、本実施形態では奥行幅の広い１枚の板状の長尺部材で構成したが、間隔を置いて奥行方向の前後に２本の杆状部材を平行に配置しても良い。 Further, the connecting structure of the lower connecting rod 9 and the linking frame 20 is arbitrary, but in the present embodiment, as shown in FIGS. 6 and 9, the lower connecting frame 20 is bent downward and fixed to the end portion. A plate 30 is formed, U-shaped grooves 31, 31 which are open downward are formed in the fixing plate 30, screw holes 32, 32 are formed on the inner side surface of the lower connecting rod 9, and screws 34, 34 with a ring 33 are formed. Was screwed into the screw holes 32, 32, and the U-shaped grooves 31, 31 of the linking frame 20 were engaged with the rings 33, 33, and the screws 34, 34 were tightened to connect them. Here, the screw hole 32 may be a pilot hole if a tapping screw 34 is used. In the present embodiment, the linking frame 20 is composed of one plate-shaped long member having a wide depth, but two rod-shaped members are arranged in parallel in the front-rear direction in the depth direction at intervals. You may.

前記支持筒７の筒部１４の内面は、アルミダイカスト製法の抜き勾配を設けるため、上方の開口側に向けて広がったテーパー形状となっている。そのため、図６〜図８に示すように、前記伸縮脚５，６の下部を筒部１４に受け入れた際に、該伸縮脚５，６の外面と筒部１４の内面との間に生じる隙間を埋めるために、合成樹脂製のカラー部材３５を開口部に嵌挿している。前記支持筒７の底面部１５に設けた取付孔に下方から挿通したネジ１６，…を前記伸縮脚５，６の外側筒３６の底面板４５に形成した螺孔４６，…に螺合して強固に連結する。 The inner surface of the cylinder portion 14 of the support cylinder 7 has a tapered shape that widens toward the upper opening side in order to provide a draft of the aluminum die casting method. Therefore, as shown in FIGS. 6 to 8, when the lower portion of the telescopic legs 5 and 6 is received by the tubular portion 14, a gap is generated between the outer surface of the telescopic legs 5 and 6 and the inner surface of the tubular portion 14. A color member 35 made of synthetic resin is fitted and inserted into the opening in order to fill the gap. Screws 16, ... Inserted from below into the mounting holes provided in the bottom surface portion 15 of the support cylinder 7 are screwed into the screw holes 46, ... Formed in the bottom plate 45 of the outer cylinders 36 of the telescopic legs 5 and 6. Connect firmly.

ここで、前記伸縮脚５，６は、図１及び図６に示すように、外側筒３６、中間筒３７及び内側筒３８で構成された伸縮連筒と、前記内側筒３８の上端に設けた取付体３９と、これらに内蔵された昇降駆動機構とから構成されている。例えば、前記昇降駆動機構は、前記伸縮連筒の内部に送りネジ機構等から構成した昇降機構部が格納され、前記取付体３９の内部に回転数を制御できるサーボモータあるいはステッピングモータ等の駆動モータが内蔵されており、駆動モータの回転により、前記昇降機構部が駆動して前記外側筒３６に対して前記内側筒３８及び中間筒３７が昇降する構造である。しかし、昇降駆動機構は前述の構造に限定されず、従来公知の各種機構を採用し得る。ここで、前記伸縮脚５，６の外側筒３６が固定部、内側筒３８が可動部となる。 Here, as shown in FIGS. 1 and 6, the telescopic legs 5 and 6 are provided at the upper end of the telescopic continuous cylinder composed of the outer cylinder 36, the intermediate cylinder 37, and the inner cylinder 38, and the inner cylinder 38. It is composed of an attachment body 39 and an elevating drive mechanism built therein. For example, in the elevating drive mechanism, a elevating mechanism portion composed of a feed screw mechanism or the like is housed inside the telescopic continuous cylinder, and a drive motor such as a servo motor or a stepping motor capable of controlling the rotation speed inside the mounting body 39. Is built-in, and the elevating mechanism portion is driven by the rotation of the drive motor to move the inner cylinder 38 and the intermediate cylinder 37 up and down with respect to the outer cylinder 36. However, the elevating drive mechanism is not limited to the above-mentioned structure, and various conventionally known mechanisms can be adopted. Here, the outer cylinder 36 of the telescopic legs 5 and 6 serves as a fixed portion, and the inner cylinder 38 serves as a movable portion.

前記脚ユニット４の支持筒７の筒部１４に嵌挿するのは、前記伸縮脚５，６の外側筒３６の下部となる。本実施形態では、前記外側筒３６の長さの約１／３に相当する下部を前記支持筒７の筒部１４に受け入れて立起状態に固定する。前記支持筒７の筒部１４の嵌合深さは、前記伸縮脚５，６の外側筒３６の長さの１／４から１／２の範囲に設定することが好ましい。前記筒部１４の嵌合深さが、１／４よりも浅いと伸縮脚５，６の支持強度が不足して脚体１としての剛性を保ち難く、１／２よりも深いと脚ユニット４の寸法が大きくなり、外観性が低下するとともに、支持筒７の製造コストが増大する。そして、図４及び図５に示すように、前記伸縮脚５，６の可動部、即ち前記内側筒３８の上端の取付体３９を、横方向に延びるビーム４０の両端部を取付け、該ビーム４０の両側部には前後方向に延びた支持杆４１，４１の中央部が固定されており、前記ビーム４０と支持杆４１，４１の上面に前記天板２及び天板３を載置した状態で、下方からネジ止めして取付けている。本発明の脚ユニット４は、側面視ロ字状の構造であるので、これ自体で脚体１の支持強度を確保でき、天板２，３の横方向寸法が変わってもワンサイズの脚ユニット４で脚体１を構成できる。 The lower part of the outer cylinder 36 of the telescopic legs 5 and 6 is fitted into the cylinder portion 14 of the support cylinder 7 of the leg unit 4. In the present embodiment, the lower portion corresponding to about 1/3 of the length of the outer cylinder 36 is received by the cylinder portion 14 of the support cylinder 7 and fixed in the standing state. The fitting depth of the tubular portion 14 of the support cylinder 7 is preferably set in the range of 1/4 to 1/2 of the length of the outer cylinder 36 of the telescopic legs 5 and 6. If the fitting depth of the tubular portion 14 is shallower than 1/4, the supporting strength of the telescopic legs 5 and 6 is insufficient and it is difficult to maintain the rigidity as the leg body 1, and if it is deeper than 1/2, the leg unit 4 The size of the support cylinder 7 is increased, the appearance is lowered, and the manufacturing cost of the support cylinder 7 is increased. Then, as shown in FIGS. 4 and 5, the movable parts of the telescopic legs 5 and 6, that is, the attachment bodies 39 at the upper ends of the inner cylinder 38 are attached to both ends of the beam 40 extending in the lateral direction, and the beam 40 is attached. The central portions of the support rods 41 and 41 extending in the front-rear direction are fixed to both side portions of the above, and the top plate 2 and the top plate 3 are placed on the upper surfaces of the beam 40 and the support rods 41 and 41. , It is attached by screwing from below. Since the leg unit 4 of the present invention has a square-shaped side view structure, the support strength of the leg body 1 can be secured by itself, and even if the lateral dimensions of the top plates 2 and 3 change, the leg unit 4 is one size. The leg body 1 can be configured by 4.

また、前記ビーム４０は上方開放の凹溝４２を有し、該凹溝４２の内部には、駆動モータを制御する電子制御装置４３を組み込み、該凹溝４２内で駆動モータと接続するとともに、該電子制御装置４３を操作する操作スイッチ（図示せず）をそれぞれの前記天板２，３の下面の前縁一側又は両側に設けている。また、前記ビーム４０の奥側であり、両支持杆４１，４１の間には、奥側の両端部をそれぞれ支持杆４１，４１に水平回動可能に支持するとともに、前端を前記ビーム４０の後面に係脱可能に支持した配線用のコード受板４４を設けている。更に、図１〜図３及び図５に示すように、両側の前記脚ユニット４，４の上連結杆８，８の中央部間に配線ダクト４７が連結されている。 Further, the beam 40 has a concave groove 42 that is open upward, and an electronic control device 43 that controls a drive motor is incorporated in the concave groove 42, and the beam 40 is connected to the drive motor in the concave groove 42 and is connected to the drive motor. An operation switch (not shown) for operating the electronic control device 43 is provided on one side or both sides of the front edge of the lower surface of each of the top plates 2 and 3. Further, it is on the back side of the beam 40, and between the support rods 41 and 41, both ends on the back side are horizontally rotatably supported by the support rods 41 and 41, respectively, and the front end of the beam 40 is supported. A cord receiving plate 44 for wiring is provided on the rear surface so as to be detachably supported. Further, as shown in FIGS. 1 to 3 and 5, a wiring duct 47 is connected between the central portions of the upper connecting rods 8 and 8 of the leg units 4 and 4 on both sides.

更に図１、図８、図１０〜図１４に基づいて本発明を詳細に説明する。本発明は、左右の脚ユニット４，４間を連係フレーム２０で連結するとともに、該連係フレーム２０の上位であって両脚ユニット４，４間に配線ダクト４７を設け、該配線ダクト４７よりも前記連係フレーム２０が奥行方向の前後に突出設定されていることを特徴とする。つまり、前記連係フレーム２０が前記脚ユニット４の下連結杆９に連結され、前記配線ダクト４７の両端が前記脚ユニット４の上連結杆８に取付けられている。 Further, the present invention will be described in detail with reference to FIGS. 1, 8 and 10 to 14. In the present invention, the left and right leg units 4 and 4 are connected by a linking frame 20, and a wiring duct 47 is provided between the leg units 4 and 4 which is higher than the linking frame 20 and is described above the wiring duct 47. The linking frame 20 is set to project forward and backward in the depth direction. That is, the linking frame 20 is connected to the lower connecting rod 9 of the leg unit 4, and both ends of the wiring duct 47 are attached to the upper connecting rod 8 of the leg unit 4.

また、前記配線ダクト４７は、図１０及び図１１に示すように、上方開放の断面略コ字形のダクト本体４８と、該ダクト本体４８を前記脚ユニット４の上連結杆８に取付けるための端部固定部材４９と、両脚ユニット４，４間の前記ダクト本体４８の上面を開閉自在に覆うダクトカバー５０と、前記端部固定部材４９の外側端面に取付けるキャップ５１とからなる。そして、前記キャップ５１に回転開閉可能な蓋体５２を設けることによって、前記配線ダクト４７の両端面に回転開閉可能な蓋体５２を設けている。本実施形態では、前記ダクト本体４８、端部固定部材４９及びダクトカバー５０を板金で作製し、前記キャップ５１及び蓋体５２を合成樹脂製の成形品としているが、材質には限定されない。 Further, as shown in FIGS. 10 and 11, the wiring duct 47 has a duct main body 48 having a substantially U-shaped cross section open upward and an end for attaching the duct main body 48 to the upper connecting rod 8 of the leg unit 4. The portion fixing member 49 includes a duct cover 50 that openably and closably covers the upper surface of the duct body 48 between the leg units 4 and 4, and a cap 51 attached to the outer end surface of the end fixing member 49. By providing the cap 51 with a lid 52 that can be rotated and opened, the lid 52 that can be rotated and opened is provided on both end surfaces of the wiring duct 47. In the present embodiment, the duct body 48, the end fixing member 49, and the duct cover 50 are made of sheet metal, and the cap 51 and the lid 52 are molded products made of synthetic resin, but the material is not limited.

前記ダクト本体４８は、底面板５３と両側面板５４，５４を有する上方開放の断面略コ字形の長尺部材であり、両端部を除き前記側面板５４，５４の上縁内側に前記ダクトカバー５０を係止する係止縁５５，５５を形成したものである。前記端部固定部材４９は、前記ダクト本体４８の両端部に内嵌して該ダクト本体４８を係止可能な形状であり、本実施形態では下方開放した断面略コ字形の部材であり、上面板５６の両側に垂下板５７，５７を有し、該上面板５６の両側縁に、前記ダクト本体４８の両端部で両側面板５４，５４の上縁に内向きに折曲形成した縁部５８，５８を下方から係止する係合段部５９，５９を形成するとともに、上面板５６に前記上連結杆８の下面にネジ止めするための取付孔６０，６０を形成している。また、前記端部固定部材４９の両垂下板５７，５７の外側端寄り位置に後述のキャップ５１を嵌着するための係合孔６１，６１を開設している。 The duct main body 48 is a long member having a bottom plate 53 and both side surface plates 54, 54 and having a substantially U-shaped cross section open upward, and the duct cover 50 is inside the upper edge of the side plate 54, 54 except for both ends. The locking edges 55, 55 for locking the above are formed. The end fixing member 49 has a shape that can be fitted inside both ends of the duct body 48 to lock the duct body 48, and in the present embodiment, the end fixing member 49 is a member having a substantially U-shaped cross section that is open downward. Edge portions 58 having hanging plates 57 and 57 on both sides of the face plate 56 and inwardly bent on both side edges of the top plate 56 at both ends of the duct main body 48 and on the upper edges of both side surface plates 54 and 54. , 58 are formed with engaging step portions 59, 59 for locking from below, and mounting holes 60, 60 for screwing to the lower surface of the upper connecting rod 8 are formed on the upper surface plate 56. Further, engaging holes 61, 61 for fitting the cap 51, which will be described later, are provided at positions near the outer ends of the both hanging plates 57, 57 of the end fixing member 49.

図１０〜図１４に示すように、前記ダクト本体４８の両端部に前記端部固定部材４９，４９をそれぞれ内嵌した状態で、前記上面板５６を前記脚ユニット４の上連結杆８の下面に接合状態で、下方から前記取付孔６０，６０に通した樹脂ファスナー６２，６２を前記上連結杆８の下面に形成した下穴６３，６３に嵌合して取付ける。ここで、前記樹脂ファスナー６２は、市販品であるが、フランジ付きの軸部を取付孔６０と下穴６３に嵌挿した後、フランジから突出している頭部を押し込むことによって、軸部の先端が膨らんで、アンカー効果を発揮する構造のものである。尚、樹脂ファスナー６２の代わりにネジで固定しても良い。この際、前記ダクト本体４８の下面と前記脚ユニット４の下連結杆９との間には若干のクリアランスを設けて寸法誤差を吸収し、取付作業が容易になるようにしている。また、前記ダクト本体４８の下面と前記連係フレーム２０の上面との間にもクリアランスを設けて縁切りしている。これは、前記連係フレーム２０に椅子が衝突した際に、その衝撃が配線ダクト４７に及ばないようにするためであり、更に前記配線ダクト４７の装着をオプションとした場合に、前記連係フレーム２０とは無関係に着脱できるようにするためである。 As shown in FIGS. 10 to 14, the upper surface plate 56 is attached to the lower surface of the upper connecting rod 8 of the leg unit 4 in a state where the end fixing members 49 and 49 are internally fitted to both ends of the duct main body 48. In the joined state, the resin fasteners 62, 62 passed through the mounting holes 60, 60 from below are fitted into the pilot holes 63, 63 formed on the lower surface of the upper connecting rod 8 and mounted. Here, the resin fastener 62 is a commercially available product, but after inserting the shaft portion with a flange into the mounting hole 60 and the prepared hole 63, the tip of the shaft portion is pushed by pushing the head protruding from the flange. It has a structure that swells and exerts an anchor effect. Instead of the resin fastener 62, it may be fixed with screws. At this time, a slight clearance is provided between the lower surface of the duct main body 48 and the lower connecting rod 9 of the leg unit 4 to absorb dimensional errors and facilitate the mounting work. Further, a clearance is also provided between the lower surface of the duct main body 48 and the upper surface of the linking frame 20 to cut the edges. This is to prevent the impact from reaching the wiring duct 47 when the chair collides with the linking frame 20, and when the wiring duct 47 is installed as an option, the linking frame 20 and the linking frame 20 are used. Is to be able to be attached and detached regardless.

前記キャップ５１は、側面視四角形の額縁状部材であり、周縁の縁部６４で前記端部固定部材４９の端縁を外覆した状態で該端部固定部材４９に内嵌するとともに、両側部に設けた爪部６５，６５を前記係合孔６１，６１に弾性的に係合させて装着する。そして、前記キャップ５１の中央部の開口６６を、前記蓋体５２で開閉可能とする。前記蓋体５２は、中央部に前記開口６６を閉塞可能な閉塞部６７を有し、該閉塞部６７の周囲に設けた鍔部６８を前記キャップ５１の縁部６４の内側に配置するとともに、鍔部６８の両側下端に突設したピン６９，６９を、前記キャップ５１の両側下端に設けた軸受７０，７０に回動可能に係合させて取付ける。前記蓋体５２の閉塞部６７で前記キャップ５１の開口６６を閉じた状態で、該キャップ５１の両側上部に設けた係止孔７１に前記蓋体５２の両側上部に側設した爪片７２を係止してその姿勢を維持し、前記開口６６を開放する場合には、前記蓋体５２の上部を押し込めば、前記爪片７２が係止孔７１から外れ、図１４に示すように前記ダクト本体４８の底面板５３の上に倒伏する。 The cap 51 is a frame-shaped member having a quadrangular side view, and is internally fitted into the end fixing member 49 with the edge portion 64 of the peripheral edge covering the end edge of the end fixing member 49, and both side portions. 65, 65 of the claws provided in the above are elastically engaged with the engaging holes 61, 61 to be mounted. Then, the opening 66 at the center of the cap 51 can be opened and closed by the lid 52. The lid 52 has a closing portion 67 capable of closing the opening 66 in the central portion, and a collar portion 68 provided around the closing portion 67 is arranged inside the edge portion 64 of the cap 51, and the lid body 52 is arranged. Pins 69 and 69 projecting from the lower ends on both sides of the flange portion 68 are rotatably engaged with and attached to bearings 70 and 70 provided at the lower ends on both sides of the cap 51. With the opening 66 of the cap 51 closed by the closing portion 67 of the lid 52, the claw pieces 72 provided sideways on both sides of the lid 52 are placed in the locking holes 71 provided on both sides of the cap 51. When locking and maintaining the posture and opening the opening 66, if the upper portion of the lid 52 is pushed in, the claw piece 72 is disengaged from the locking hole 71, and the duct is as shown in FIG. It lies down on the bottom plate 53 of the main body 48.

図１２及び図１３に示すように、両脚ユニット４，４間に前記配線ダクト４７を取付けた状態では、前記キャップ５１の端面は前記当止部材２１よりも若干後退した位置、つまり前記当止部材２１は、前記キャップ５１の端面より若干側方へ突出した状態に寸法設定され、側方に昇降天板付きデスク装置を並べて設置した際に、必ず当止部材２１，２１同士が当接するようにしている。 As shown in FIGS. 12 and 13, when the wiring duct 47 is attached between the leg units 4 and 4, the end face of the cap 51 is slightly retracted from the retaining member 21, that is, the retaining member. The size of 21 is set so as to project slightly laterally from the end surface of the cap 51 so that when the desk devices with elevating top plates are installed side by side, the retaining members 21 and 21 always come into contact with each other. ing.

前記ダクトカバー５０は、図１０及び図１２に示すように、両端部に切欠部７３，７３を設けている。前記ダクトカバー５０の切欠部７３は、前記ダクト本体４８に装着した状態で、前記脚ユニット４よりも内側に位置している。前記切欠部７３に指を入れて前記ダクト本体４８からダクトカバー５０を容易に取り外すことができるようにしている。また、前記切欠部７３は、前記ダクト本体４８に配線したコード類を上方へ引き出すための挿通孔となる。更に、前記ダクト本体４８の底面板５３の中央部に開口部７４を形成するとともに、該開口部７４の直下の前記連係フレーム２０にも上下貫通した開口部７５を設け、これらの開口部７４，７５を利用してアクセスフロア等の床面から前記配線ダクト４７への配線を可能にしている。 As shown in FIGS. 10 and 12, the duct cover 50 is provided with notches 73 and 73 at both ends. The notch 73 of the duct cover 50 is located inside the leg unit 4 in a state of being attached to the duct main body 48. A finger is inserted into the notch 73 so that the duct cover 50 can be easily removed from the duct body 48. Further, the cutout portion 73 serves as an insertion hole for pulling out the cords wired to the duct main body 48 upward. Further, an opening 74 is formed in the central portion of the bottom plate 53 of the duct main body 48, and an opening 75 that penetrates vertically is also provided in the linking frame 20 directly below the opening 74, and these openings 74, The 75 is used to enable wiring from a floor surface such as an access floor to the wiring duct 47.

１脚体、２天板、
２天板、４脚ユニット、
５伸縮脚、６伸縮脚、
７支持筒、８上連結杆、
９下連結杆、１０上係合部、
１１下係合部、１２ネジ、
１３ネジ、１４筒部、
１５底面部、１６ネジ、
１７アジャスターボルト、１８アジャスター受部、
１９アジャスター、２０連係フレーム、
２１当止部材、２２固定板、
２３螺孔、２４座グリ孔、
２５空間部、２６内壁面、
２７Ｕ字溝、２８固定片、
２９螺孔、３０固定板、
３１Ｕ字溝、３２螺孔、
３３リング、３４ネジ、
３５カラー部材、３６外側筒、
３７中間筒、３８内側筒、
３９取付体、４０ビーム、
４１支持杆、４２凹溝、
４３電子制御装置、４４コード受板、
４５底面板、４６螺孔、
４７配線ダクト、４８ダクト本体、
４９端部固定部材、５０ダクトカバー、
５１キャップ、５２蓋体、
５３底面板、５４側面板、
５５係止縁、５６上面板、
５７垂下板、５８縁部、
５９係合段部、６０取付孔、
６１係合孔、６２樹脂ファスナー、
６３下穴、６４縁部、
６５爪部、６６開口、
６７閉塞部、６８鍔部、
６９ピン、７０軸受、
７１係止孔、７２爪片、
７３切欠部、７４開口部、
７５開口部。 1 leg, 2 top plate,
2 top plate, 4 leg unit,
5 telescopic legs, 6 telescopic legs,
7 Support cylinder, 8 Upper connecting rod,
9 Lower connecting rod, 10 Upper engaging part,
11 lower engagement part, 12 screws,
13 screws, 14 cylinders,
15 bottom, 16 screws,
17 Adjuster bolt, 18 Adjuster receiving part,
19 adjusters, 20 linked frames,
21 Stopping member, 22 Fixing plate,
23 screw holes, 24 counterbore holes,
25 space, 26 inner wall,
27 U-shaped groove, 28 fixed piece,
29 screw holes, 30 fixing plates,
31 U-shaped groove, 32 screw holes,
33 rings, 34 screws,
35 color member, 36 outer cylinder,
37 Intermediate cylinder, 38 Inner cylinder,
39 mount, 40 beam,
41 support rod, 42 concave groove,
43 Electronic control device, 44 Cord receiving plate,
45 bottom plate, 46 screw holes,
47 wiring duct, 48 duct body,
49 End fixing member, 50 Duct cover,
51 cap, 52 lid,
53 bottom plate, 54 side plate,
55 locking edge, 56 top plate,
57 hanging plate, 58 edge,
59 Engagement step, 60 Mounting hole,
61 engaging holes, 62 resin fasteners,
63 pilot hole, 64 edge,
65 claws, 66 openings,
67 Closure, 68 collar,
69 pins, 70 bearings,
71 locking hole, 72 claw piece,
73 notch, 74 opening,
75 openings.

Claims

It is a desk device with an elevating top plate in which two top plates arranged in the front and back are independently supported by a pair of legs arranged on both the left and right sides so that the height can be adjusted.
The leg body includes a leg unit to be arranged on the floor surface, and a telescopic leg having a lower portion fixed to the front and rear ends of the leg unit in an upright state and supporting the top plate at the upper end.
The leg unit has a support cylinder that receives and fixes the lower portion of the telescopic leg in the front and rear, and has a structure in which the upper and lower ends of both support cylinders are connected by a pair of upper connecting rods and lower connecting rods.
Together between the lower connecting rod of right and left leg units are connected by associated frame, a upper該連engagement frame provided by attaching the ends of the cable duct between the upper connecting rod of the legs unit than said wiring duct A desk device with an elevating top plate, characterized in that the linking frame is set to project forward and backward in the depth direction.

Rotation openable formed by providing a lid according to claim 1 elevator ceiling plate with desk according to both end surfaces of the cable duct.

The wiring duct can open and close a duct body having a substantially U-shaped cross section that opens upward, an end fixing member for attaching the duct body to the upper connecting rod of the leg unit, and an upper surface of the duct body between both leg units. The desk device with an elevating top plate according to claim 1 or 2, which comprises a duct cover covering the above.