JP2003081554A - Erecting method for elevator shaft - Google Patents
Erecting method for elevator shaftInfo
- Publication number
- JP2003081554A JP2003081554A JP2001275639A JP2001275639A JP2003081554A JP 2003081554 A JP2003081554 A JP 2003081554A JP 2001275639 A JP2001275639 A JP 2001275639A JP 2001275639 A JP2001275639 A JP 2001275639A JP 2003081554 A JP2003081554 A JP 2003081554A
- Authority
- JP
- Japan
- Prior art keywords
- elevator shaft
- wheel
- stopper
- shaped member
- elevator
- 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
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
Description
【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、エレベータ塔を構
築するためのエレベータシャフトの建て起こし方法に関
し、特に作業の安全性に関する。
【０００２】
【従来の技術】従来、集合住宅や駅等の建物に昇降設備
としてのエレベータ塔を増設する場合には、まず、工場
において、エレベータシャフト１を製作する。エレベー
タシャフト１の製作は、図４（ａ）に示すように、ま
ず、Ｈ形鋼等より成る４本の主柱２をＨ形鋼等の横柱２
ａで接続し、さらには、側部を補強横梁やブレース等
（図示せず）で補強して、四角柱状のシャフトフレーム
２０を製作する。次に、図４（ｂ）に示すように、シャ
フトフレーム２０の内側に、ガイドレール２１、昇降籠
２２、巻上機２３等の昇降設備を組み付ける。その後、
図４（ｃ）に示すように、シャフトフレーム２０の出入
口２４の下側に相当する位置にキャンティ梁２５を取付
け、そして、出入口２４側を除いて、外装ボード２６を
貼付けて外装仕上げを行なう。これにより、内部にあら
かじめ昇降設備が組み付けられ、建物の各階に対応する
出入口２４を有し、かつ、キャンティ梁２５があらかじ
め取付けられた四角筒状のエレベータシャフト１が製作
される。尚、昇降籠２２、巻上機２３、キャンティ梁２
５は現場においてエレベータシャフトの建込み前あるい
は建込み後に組み付ける場合もある。
【０００３】上記エレベータシャフト１はトラック等で
現場に搬送され、図５（ａ）に示すように現場において
前，後に位置された架台１０ａ，１０ｂの上に上記エレ
ベータシャフト１を横倒しの状態に置く。そして、エレ
ベータシャフト１の下端となる４本の主柱２，２…のう
ち地面３に近い側の２本の主柱２，２の下端側に車輪状
部材４，４を取付ける。この車輪状部材４の取付は、主
柱２，２の下端に設けられている図示しない接合用ボル
ト穴等を利用してボルト等により取付ける。その後、図
５（ａ），（ｂ）に示すように、エレベータシャフト１
の頂部１ｔ側に設けた吊り部１１に吊りワイヤ１１ａを
取付けて頂部１ｔ側をクレーンで吊り、ブームを伸ばし
ながらエレベータシャフト１を立たせていき、車輪状部
材４の外周を地面３に接地させ、架台１０ａ，１０ｂを
撤去する。さらにエレベータシャフト１の頂部１ｔ側を
上方に吊り上げていき、図５（ｃ）に示すように、エレ
ベータシャフト１を立たせる方向に車輪状部材４を移動
させることで、エレベータシャフト１が垂直状態になる
まで建て起こす。その後、車輪状部材４は取外される。
そして、エレベータシャフト１を垂直状態のまま吊りな
がら図示しないシャフト建込み穴の位置まで移動させ
る。
【０００４】エレベータシャフト１の建込み予定位置の
地面３は掘削されて、上述のシャフト建込み穴があらか
じめ形成されており、この建込み穴に設けられた固定部
にエレベータシャフト１の下端が組付けられる。その
後、エレベータシャフト１の垂直状態を確保してから、
キャンティ梁２５の先端を建物の踊場の先端に結合し、
さらに、上記出入口２４毎に、各出入口２４の下側の両
側に設けられる一対のキャンティ梁２５，２５間にスラ
ブ等の床材を取付けてエレベータシャフト１の出入口２
４と建物との連通路を形成し、キャンティ梁２５の側部
を側壁で被うことでエレベータ塔が完成する。
【０００５】
【発明が解決しようとする課題】しかしながら、上記従
来のようなエレベータシャフト１の建て起こし方法で
は、エレベータシャフト１が垂直状態になった後も勢い
で車輪状部材４がクレーン等の重機側に移動してしまい
大変危険であるという課題があった。
【０００６】
【課題を解決するための手段】この発明に係るエレベー
タシャフトの建て起こし方法は、エレベータシャフトの
下端側に車輪状部材とストッパとを設け、エレベータシ
ャフトの頂部側を吊りながら車輪状部材を移動させてエ
レベータシャフトを起こして行き、エレベータシャフト
が垂直状態に近くなった時あるいは垂直状態になった時
にストッパを地面に接地させて車輪状部材の移動にブレ
ーキをかけるようにした。
【０００７】
【発明の実施の形態】本発明によるエレベータシャフト
の建て起こし方法は、上述したエレベータシャフト１の
下端、即ち、横倒し状態のエレベータシャフトの４本の
主柱２，２…のうち地面３に近い側の２本の主柱２，２
の下端側に、車輪状部材４０とストッパ３０とを設け、
エレベータシャフト１の頂部１ｔ側を吊りながら上記車
輪状部材４０を移動させて当該エレベータシャフト１を
起こして行き、エレベータシャフト１が垂直状態に近く
なった時に上記ストッパ３０を地面に接地させて上記車
輪状部材４０の移動にブレーキをかけるようにした。こ
れにより、従来のように、エレベータシャフト１が垂直
状態になった後も勢いで重機側に移動してしまうような
ことを防止でき、安全な建て起こし作業が行なえる。
【０００８】以下、上記車輪状部材４０とストッパ３０
を備えたエレベータシャフト１の下端側の構造につい
て、図１〜図３に基づいて詳細に説明する。図１（ａ）
は横倒し状態のエレベータシャフトの下端側を示す正面
図、図１（ｂ）は垂直状態に近くなった時のエレベータ
シャフトの下端側を示す正面図、図２（ａ）は図１
（ａ）の平面図、図２（ｂ）は図１（ａ）の右側面図、
図３（ｂ）はストッパの正面図、図３（ａ）は図３
（ｂ）の平面図、図３（ｃ）は図３（ｂ）の右側面図で
ある。尚、図４，５の従来例と同一部分は同一符号を付
して、詳説を省略する。
【０００９】上記エレベータシャフト１の主柱２の下端
側には、主柱２が曲がらないようにするための補強ブレ
ス材２ｂが接続具５０，６０を介して接続されていて、
接続具６０に車輪状部材４０及びストッパ３０が取付け
られる。
【００１０】上記接続具５０は、ボルト５１ａ及びナッ
ト５１ｂで主柱２に取付けられる接続面５２を有し、こ
の接続面５２の直角隅部を介して隣接する２つの端部よ
り接続面５２に対して直角をなすように設けられる接続
フランジ部５３，５４とを備える。そして、接続フラン
ジ部５３が主柱２の下端面２ｕと平行になるように、接
続フランジ部５４が主柱２の下端側の側面２ｓと平行に
なるように取付けられている。
【００１１】上記接続具６０は上記接続具５０の接続フ
ランジ部５３，５４と重なってボルト６１ａ，ナット６
１ｂで当該接続フランジ部５３，５４に結合される接続
フランジ６３，６４を備えるものである。この接続具６
０は、図１における下部側に上記車輪状部材４０を収納
して当該車輪状部材４０の車輪軸４１を回転可能なよう
に支持する車輪状部材取付部４２を有し、上部側にはス
トッパ３０がボルト３１ａ，ナット３１ｂで取付けられ
る支持片４３、及び、上記補強ブレス材２ｂがボルト２
Ｂ，ナット２Ｎで取付けられる支持片４４を備える。
【００１２】尚、４１ａは車輪軸４１のベアリング、４
２ａ，４２ｂは車輪状部材取付部４２の補強フランジで
ある。
【００１３】上記ストッパ３０は、図３に示すように、
ボルト３１ａを通す挿通孔３２を備え、上記支持片４３
にボルト３１ａ，ナット３１ｂを介して取付けられる取
付け部３３と、この取付け部３３より延長して正面から
見た場合に扇子状に形成された円弧状面部３４と、この
円弧状面部３４の外周面３４ａに図示しないネジ部材に
より取付けられる接地材３５とを備える。尚、３６は補
強リブ、３７は円弧状外周面３４ａに接地材３５を取付
けるためのネジ部材を螺着するネジ孔、３８は接地材３
５に設けられたネジ皿孔である。
【００１４】上記車輪状部材４０は、横倒しの状態のエ
レベータシャフト１の主柱２の下端側の側面２ｓと地面
３との間に設けられ、ストッパ３０は、主柱２の下端側
に設けられる。即ち、車輪状部材４０とストッパ３０
は、横倒しの状態のエレベータシャフト１の主柱２の下
端側において、９０度の角度を隔てて設けられており、
図１（ｂ）に示すように、エレベータシャフト１が垂直
に近い状態まで建て起こされたときに、ストッパ３０が
地面３に接地して車輪状部材４０の回転にブレーキがか
かるようになっている。従って、エレベータシャフト１
の建て起こし作業を安全に行なえる。
【００１５】尚、接地材３５の材料は特に限定されない
が、例えば、ウレタンゴム等のように地面３に対して摩
擦抵抗の大きいものを用いる方が望ましい。また、接地
材３５を備えずに、円弧状面部３４の外周面３４ａに凹
凸などを形成して摩擦抵抗を大きくするようにしてもよ
い。また、車輪状部材４０の材料も特に限定されない
が、例えば、ウレタン等で形成されたものを用いること
によって、車輪状部材４０の移動スピードを遅くでき
て、建て起こし作業を無理なく行なうことができるよう
になる。
【００１６】また、ストッパ３０としては、例えば、主
柱２の下端側に、横倒し状態の時には主柱２方向に縮退
状態となっており、主柱２が垂直状態近くなったときに
スライドして地面３方向に突出するような形式のストッ
パでもよい。ただし、この場合、主柱２が垂直状態近く
なる前にストッパが突出することもある。従って、上記
のようなスライド方式のストッパを止めておく電子制御
の開閉部材を設けておき、クレーンのオペレータがこの
開閉部材の開閉を制御できるようにしておき、エレベー
タシャフト１が垂直状態に近くなったと察知したときあ
るいは垂直状態になったと察知したときに上記開閉部材
を開いて、ストッパを突出させるようにしてブレーキを
かけるようにしてもよい。尚、このようなストッパを設
ける場合は、車輪状部材４０を、主柱２の下端側の側面
２ｓ側ではなく、下端面２ｕ側に取付けてもよい。
【００１７】また、上記では、回転する車輪状部材４０
を用いた場合を説明したが、回転しない車輪状部材を用
いてもよい。この場合、車輪状部材が地面３上をすべっ
て移動することになり、ストッパにより、この車輪状部
材の移動にブレーキをかけることになる。
【００１８】
【発明の効果】本発明のエレベータシャフトの建て起こ
し方法によれば、エレベータシャフトの建て起こし作業
を安全に行なえるようになる。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator shaft erecting method for constructing an elevator tower, and more particularly to work safety. 2. Description of the Related Art Conventionally, when an elevator tower as an elevator is added to a building such as an apartment house or a station, an elevator shaft 1 is first manufactured in a factory. As shown in FIG. 4 (a), first, four main pillars 2 made of H-shaped steel or the like are used to manufacture the elevator shaft 1.
a, and the side portion is reinforced with a reinforcing cross beam, a brace, or the like (not shown) to manufacture a square pillar-shaped shaft frame 20. Next, as shown in FIG. 4 (b), lifting equipment such as a guide rail 21, a lifting cage 22, and a hoisting machine 23 are assembled inside the shaft frame 20. afterwards,
As shown in FIG. 4C, a cantilever 25 is attached to a position corresponding to a lower side of the entrance 24 of the shaft frame 20, and an exterior board 26 is stuck except for the entrance 24 to finish the exterior. As a result, the elevator shaft 1 is assembled in advance, and the elevator shaft 1 having a rectangular tube shape having the entrance 24 corresponding to each floor of the building and the pre-installed Chianti beam 25 is manufactured. In addition, hoisting basket 22, hoisting machine 23, Chianti beam 2
5 may be assembled at the site before or after the elevator shaft is built. The elevator shaft 1 is conveyed to a site by a truck or the like, and as shown in FIG. 5A, the elevator shaft 1 is placed sideways on gantry 10a, 10b located at the front and rear of the site. . The wheel-shaped members 4, 4 are attached to the lower ends of the two main pillars 2, 2 which are closer to the ground 3 among the four main pillars 2, 2, ... which are the lower ends of the elevator shaft 1. The wheel-shaped member 4 is attached by bolts or the like using joint bolt holes (not shown) provided at the lower ends of the main columns 2 and 2. Thereafter, as shown in FIGS. 5A and 5B, the elevator shaft 1
The hanging wire 11a is attached to the hanging portion 11 provided on the top 1t side, the top 1t side is hung by a crane, the elevator shaft 1 is raised while the boom is extended, and the outer periphery of the wheel-shaped member 4 is grounded to the ground 3; The gantry 10a, 10b is removed. Further, the top 1t side of the elevator shaft 1 is lifted upward, and the wheel-shaped member 4 is moved in a direction in which the elevator shaft 1 stands, as shown in FIG. Build up until it becomes. Thereafter, the wheel-shaped member 4 is removed.
Then, the elevator shaft 1 is moved to a position of a shaft installation hole (not shown) while being suspended in the vertical state. The ground 3 at the position where the elevator shaft 1 is to be erected is excavated, and the shaft erection hole described above is formed in advance. The lower end of the elevator shaft 1 is assembled to a fixing portion provided in the erection hole. Attached. Then, after securing the vertical state of the elevator shaft 1,
Connect the tip of Chianti beam 25 to the tip of the landing in the building,
Further, a floor material such as a slab is attached between a pair of cantilever beams 25, 25 provided on both lower sides of each of the entrances 24, so that the entrance 2 of the elevator shaft 1 is provided.
An elevator tower is completed by forming a communication passage between the building 4 and the building and covering the side of the chianti beam 25 with a side wall. However, in the above-described conventional method of erecting the elevator shaft 1, even after the elevator shaft 1 is in a vertical state, the wheel-shaped member 4 is moved to a heavy machine such as a crane. There was a problem that it moved to the side and was very dangerous. [0006] An elevator shaft erecting method according to the present invention comprises providing a wheel-like member and a stopper at the lower end of the elevator shaft, and suspending the top of the elevator shaft. Was moved to raise the elevator shaft, and when the elevator shaft approached or became vertical, the stopper was brought into contact with the ground to brake the movement of the wheel-shaped member. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The elevator shaft erecting method according to the present invention uses the lower end of the elevator shaft 1 described above, that is, the ground 3 of the four main pillars 2, 2. Two main pillars on the side closer to
A wheel-shaped member 40 and a stopper 30 are provided on the lower end side of
The wheel-shaped member 40 is moved while the top 1t side of the elevator shaft 1 is suspended, and the elevator shaft 1 is raised, and when the elevator shaft 1 is close to a vertical state, the stopper 30 is brought into contact with the ground to ground the wheel. The movement of the member 40 is braked. As a result, it is possible to prevent the elevator shaft 1 from moving to the heavy equipment side even after the elevator shaft 1 is in the vertical state as in the related art, and it is possible to perform a safe erecting operation. Hereinafter, the wheel-shaped member 40 and the stopper 30
The structure of the lower end side of the elevator shaft 1 provided with will be described in detail with reference to FIGS. FIG. 1 (a)
FIG. 1B is a front view showing the lower end side of the elevator shaft in a sideways position, FIG. 1B is a front view showing the lower end side of the elevator shaft when it is close to a vertical state, and FIG.
2A is a plan view, FIG. 2B is a right side view of FIG.
FIG. 3B is a front view of the stopper, and FIG.
FIG. 3B is a plan view, and FIG. 3C is a right side view of FIG. 3B. 4 and 5 are denoted by the same reference numerals, and detailed description is omitted. At the lower end of the main column 2 of the elevator shaft 1, a reinforcing breathing member 2b for preventing the main column 2 from bending is connected via connecting members 50 and 60.
The wheel-shaped member 40 and the stopper 30 are attached to the connection tool 60. The connecting tool 50 has a connecting surface 52 attached to the main column 2 with bolts 51a and nuts 51b. Two adjacent ends of the connecting surface 52 are connected to the connecting surface 52 through right-angled corners of the connecting surface 52. Connection flange portions 53 and 54 provided so as to form a right angle to the connection flange portions. Then, the connection flange portion 54 is attached so as to be parallel to the lower end surface 2u of the main column 2 and the connection flange portion 54 is parallel to the lower side surface 2s of the main column 2. The connecting member 60 overlaps the connection flange portions 53 and 54 of the connecting member 50 so that the bolt 61a and the nut 6
1b is provided with connection flanges 63 and 64 coupled to the connection flange portions 53 and 54, respectively. This connector 6
0 has a wheel-like member mounting portion 42 for accommodating the wheel-like member 40 at a lower side in FIG. 1 and rotatably supporting a wheel shaft 41 of the wheel-like member 40, and a stopper at an upper side. 30 is a support piece 43 attached with a bolt 31a and a nut 31b, and the reinforcing breath material 2b is a bolt 2
B, a support piece 44 attached with a nut 2N. Reference numeral 41a denotes a bearing of the wheel shaft 41, 4
Reference numerals 2a and 42b denote reinforcing flanges of the wheel-shaped member mounting portion 42. The stopper 30 is, as shown in FIG.
The support piece 43 is provided with an insertion hole 32 through which the bolt 31a passes.
Mounting portion 33 which is attached to the vehicle via bolts 31a and nuts 31b, an arcuate surface portion 34 extending from the mounting portion 33 and formed in a fan shape when viewed from the front, and an outer peripheral surface of the arcuate surface portion 34 And 34a, a grounding member 35 attached by a screw member (not shown). 36 is a reinforcing rib, 37 is a screw hole for screwing a screw member for attaching the ground member 35 to the arc-shaped outer peripheral surface 34a, and 38 is a ground member 3
5 is a screw countersunk hole. The wheel-shaped member 40 is provided between the lower surface 2 s of the main column 2 of the elevator shaft 1 in a sideways position and the ground 3, and the stopper 30 is provided at the lower end of the main column 2. . That is, the wheel-shaped member 40 and the stopper 30
Are provided at a lower end side of the main column 2 of the elevator shaft 1 in a sideways position at an angle of 90 degrees,
As shown in FIG. 1B, when the elevator shaft 1 is erected to a nearly vertical state, the stopper 30 contacts the ground 3 and the rotation of the wheel-shaped member 40 is braked. . Therefore, the elevator shaft 1
Work can be done safely. Although the material of the grounding member 35 is not particularly limited, it is preferable to use a material having a large frictional resistance to the ground 3 such as urethane rubber. Also, without providing the grounding material 35, the friction resistance may be increased by forming irregularities or the like on the outer peripheral surface 34a of the arc-shaped surface portion 34. The material of the wheel-shaped member 40 is not particularly limited. For example, by using a material formed of urethane or the like, the moving speed of the wheel-shaped member 40 can be reduced, and the erecting operation can be performed without difficulty. Become like The stopper 30 is, for example, at the lower end side of the main column 2, which is in a contracted state in the main column 2 direction when it is in a sideways position, and slides when the main column 2 is almost vertical. A stopper that projects in the direction of the ground 3 may be used. However, in this case, the stopper may protrude before the main column 2 approaches the vertical state. Therefore, an electronically controlled opening / closing member for stopping the slide type stopper as described above is provided so that the crane operator can control the opening / closing of the opening / closing member, so that the elevator shaft 1 is close to a vertical state. The brake may be applied by opening the opening / closing member and projecting the stopper when it is sensed that the vehicle is in a vertical state. When such a stopper is provided, the wheel-shaped member 40 may be attached to the lower end surface 2u side instead of the lower side surface 2s side of the main pillar 2. In the above description, the rotating wheel-shaped member 40
Although the description has been given of the case of using the wheel, a wheel-shaped member that does not rotate may be used. In this case, the wheel-shaped member slides on the ground 3, and the movement of the wheel-shaped member is braked by the stopper. According to the elevator shaft erecting method of the present invention, the elevator shaft erecting operation can be performed safely.
【図面の簡単な説明】
【図１】 本発明の実施の形態による車輪状部材及びス
トッパを取付けたエレベータシャフトの下端側を示す図
であり、（ａ）はエレベータシャフトが横倒し状態のと
きの下端側を示す図、（ｂ）はエレベータシャフトが垂
直状態に近くなったときの下端側を示す図である。
【図２】 （ａ）は図１（ａ）の平面図、（ｂ）は図１
（ａ）の右側面図である。
【図３】 本発明の実施の形態によるストッパを示す図
であり、（ｂ）は正面図、（ａ）は平面図、（ｃ）は右
側面図である。
【図４】 従来のエレベータシャフトの製作工程を説明
する図である。
【図５】 従来のエレベータシャフトの建て起こし工程
を示す図である。
【符号の説明】
１ エレベータシャフト、３ 地面、３０ ストッパ、
４０ 車輪状部材。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing a lower end side of an elevator shaft to which a wheel-shaped member and a stopper according to an embodiment of the present invention are attached, wherein (a) is a lower end when the elevator shaft is in a sideways state; FIG. 4B is a diagram illustrating a lower end side when the elevator shaft approaches a vertical state. 2A is a plan view of FIG. 1A, and FIG.
It is a right view of (a). 3A and 3B are views showing a stopper according to the embodiment of the present invention, wherein FIG. 3B is a front view, FIG. 3A is a plan view, and FIG. 3C is a right side view. FIG. 4 is a view illustrating a manufacturing process of a conventional elevator shaft. FIG. 5 is a view showing a conventional elevator shaft erecting process. [Description of Signs] 1 elevator shaft, 3 ground, 30 stoppers,
40 Wheel-shaped member.
Claims (1)
タシャフトを建て起こす時にエレベータシャフトの頂部
側を吊りながら当該エレベータシャフトを垂直状態に建
て起こすようにしたエレベータシャフトの建て起こし方
法において、 上記エレベータシャフトの下端側に車輪状部材とストッ
パとを設け、エレベータシャフトの頂部側を吊りながら
上記車輪状部材を移動させて当該エレベータシャフトを
起こして行き、エレベータシャフトが垂直状態に近くな
った時あるいは垂直状態になった時に上記ストッパを地
面に接地させて上記車輪状部材の移動にブレーキをかけ
るようにしたことを特徴とするエレベータシャフトの建
て起こし方法。Claims: 1. An elevator shaft erecting method for elevating an elevator shaft for erecting an elevator tower, wherein the elevator shaft is erect in a vertical state while suspending a top portion of the elevator shaft. In the above, a wheel-shaped member and a stopper are provided at the lower end side of the elevator shaft, the wheel-shaped member is moved while suspending the top side of the elevator shaft, and the elevator shaft is raised, so that the elevator shaft is close to a vertical state. A method for raising an elevator shaft, characterized in that the stopper is brought into contact with the ground to apply a brake to the movement of the wheel-shaped member when the vehicle is in a vertical state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001275639A JP2003081554A (en) | 2001-09-11 | 2001-09-11 | Erecting method for elevator shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001275639A JP2003081554A (en) | 2001-09-11 | 2001-09-11 | Erecting method for elevator shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003081554A true JP2003081554A (en) | 2003-03-19 |
Family
ID=19100465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001275639A Pending JP2003081554A (en) | 2001-09-11 | 2001-09-11 | Erecting method for elevator shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003081554A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6331900A (en) * | 1986-07-28 | 1988-02-10 | 三菱重工業株式会社 | Rocket turn-over placing device |
| JPS6439371A (en) * | 1987-08-04 | 1989-02-09 | Mitsubishi Electric Corp | Thin film forming device |
| JPH0356501U (en) * | 1989-10-04 | 1991-05-30 | ||
| JPH04125281U (en) * | 1991-04-30 | 1992-11-16 | 株式会社日立ビルシステムサービス | Lifting aid for elevator guide rails |
| JPH07145672A (en) * | 1993-11-24 | 1995-06-06 | Kajima Corp | Device for raising up column member |
| JPH08217359A (en) * | 1995-02-09 | 1996-08-27 | Hitachi Building Syst Eng & Service Co Ltd | Transporting method of elevator shaft unit |
| JPH10138703A (en) * | 1996-11-12 | 1998-05-26 | Koizumi:Kk | Automatic brake caster |
| JPH11311027A (en) * | 1998-04-30 | 1999-11-09 | Tokyu Constr Co Ltd | Support device for erecting long member |
| JP2000272518A (en) * | 1999-03-26 | 2000-10-03 | Hiroshige Shindo | Carriage serving as stepladder |
-
2001
- 2001-09-11 JP JP2001275639A patent/JP2003081554A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6331900A (en) * | 1986-07-28 | 1988-02-10 | 三菱重工業株式会社 | Rocket turn-over placing device |
| JPS6439371A (en) * | 1987-08-04 | 1989-02-09 | Mitsubishi Electric Corp | Thin film forming device |
| JPH0356501U (en) * | 1989-10-04 | 1991-05-30 | ||
| JPH04125281U (en) * | 1991-04-30 | 1992-11-16 | 株式会社日立ビルシステムサービス | Lifting aid for elevator guide rails |
| JPH07145672A (en) * | 1993-11-24 | 1995-06-06 | Kajima Corp | Device for raising up column member |
| JPH08217359A (en) * | 1995-02-09 | 1996-08-27 | Hitachi Building Syst Eng & Service Co Ltd | Transporting method of elevator shaft unit |
| JPH10138703A (en) * | 1996-11-12 | 1998-05-26 | Koizumi:Kk | Automatic brake caster |
| JPH11311027A (en) * | 1998-04-30 | 1999-11-09 | Tokyu Constr Co Ltd | Support device for erecting long member |
| JP2000272518A (en) * | 1999-03-26 | 2000-10-03 | Hiroshige Shindo | Carriage serving as stepladder |
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