JP5221989B2 - Transport cart - Google Patents

Transport cart Download PDF

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JP5221989B2
JP5221989B2 JP2008065450A JP2008065450A JP5221989B2 JP 5221989 B2 JP5221989 B2 JP 5221989B2 JP 2008065450 A JP2008065450 A JP 2008065450A JP 2008065450 A JP2008065450 A JP 2008065450A JP 5221989 B2 JP5221989 B2 JP 5221989B2
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casters
attached
caster
corners
cart
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JP2009220653A (en
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豊治 千田
哲弘 割田
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ジーオーピー株式会社
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本発明は、運搬台車に関するものである。   The present invention relates to a transport cart.
荷物を載置して運搬する運搬台車として、例えば図6、図7に示すように荷物4の載置板である長方形のベース1の裏面にキャスター2を取付けるとともに、ベース1の端部に手押し棒3を立設したものがあり、手押し棒3を押すことで台車を移動し荷物4を運搬する(例えば特許文献1参照)。   For example, as shown in FIGS. 6 and 7, a caster 2 is attached to the back surface of a rectangular base 1 that is a placement plate for a load 4, and the end of the base 1 is pushed by hand. There is one in which the rod 3 is erected, and the cart 4 is moved and the load 4 is carried by pushing the hand push rod 3 (see, for example, Patent Document 1).
この運搬台車の多くは、図6にも示すようにキャスター2はベース1の裏面の四隅に配設され、合計4個が取付けられている。   In most of the transport carts, as shown in FIG. 6, the casters 2 are disposed at the four corners on the back surface of the base 1, and a total of four casters are attached.
そして、キャスター2をベース1の裏面に取付けるには、ベース1に予め形成してあるボルト挿通孔に挿入するボルトなどで、キャスター2に設けてある台座をベース1に固定している。
特開2006−51861号公報
In order to attach the caster 2 to the back surface of the base 1, a pedestal provided on the caster 2 is fixed to the base 1 with a bolt inserted into a bolt insertion hole formed in the base 1 in advance.
JP 2006-51861 A
従来の運搬台車は、キャスターを台車本体に取付けるには、前記のように台車本体に予めボルト挿通孔を形成しておく必要があるため、必要以上のボルト挿通孔をベースに無駄に設けないようにするためにも、当然のことではあるがキャスターの配設位置にのみボルト挿通孔が形成される。   In order to attach the caster to the main body of the carriage, it is necessary to form the bolt insertion holes in the main body of the carriage in advance as described above, so that unnecessary bolt insertion holes should not be provided in the base. In order to achieve this, as a matter of course, the bolt insertion hole is formed only at the position where the caster is disposed.
そして、ボルト挿通孔が形成される部位は、例えば、ベースの4隅である4箇所であり、運搬台車は4輪構造となる。   And the site | part in which a bolt insertion hole is formed is four places which are the four corners of a base, for example, and a conveyance trolley becomes a four-wheel structure.
ところで、運搬台車で荷物を運搬する際、平坦な場所だけでなく、図7に示すように傾斜地、段差のある場所、窪地、溝などを乗越えなければならない場合もある。   By the way, when a load is transported by a transport cart, it may be necessary to go over not only a flat place but also an inclined place, a stepped place, a depression, a groove and the like as shown in FIG.
窪地・排水溝などの溝5を乗越える時、4輪構造の運搬台車の場合、前輪の2輪が溝5に嵌り込むと、この前輪の2輪を溝5から脱出させるためには、残りの後輪の2輪だけで荷物4の荷重を受けなければならず、台車本体が傾斜し不安定状態となるだけでなく、台車本体が動かなくなり運搬不能となることもある。   In the case of a four-wheel transport cart, when the front wheel is fitted into the groove 5, the two wheels of the front wheel are left in order to escape from the groove 5. The load of the load 4 must be received by only the two rear wheels, and not only the cart body tilts and becomes unstable, but the cart body does not move and may not be transported.
また、台車本体が傾くと、荷崩れを発生し、荷物が散在するだけでなく、運搬作業を行っている作業員が荷崩れをおこした荷物に押されて転倒したり、荷物の下敷になったり、荷物と壁などの間に挟まれるなどの人身事故の原因ともなるおそれがある。   In addition, if the cart body tilts, the cargo collapses and the luggage is scattered, and the worker who is carrying the product is pushed down by the cargo that caused the cargo collapse and falls down or becomes the underlay of the luggage. There is also a risk of personal injury such as being trapped between a baggage and a wall.
前記不都合は台車構造が4輪構造であることによるものであるが、ベースに対してキャスターの取付場所が予め四隅の4箇所に規制されているため、他の配列にキャスターが配設される運搬台車を得るには、別のタイプ(機種)の運搬台車を別途用意しなければならず、作業性のよくないものであった。   The inconvenience is due to the fact that the carriage structure is a four-wheel structure. However, since the mounting positions of the casters with respect to the base are regulated in advance at four locations at the four corners, the casters are arranged in other arrangements. In order to obtain a cart, another type (model) of transport cart must be prepared separately, which is not workable.
本発明の目的は前記従来例の不都合を解消するものとして、任意の箇所に自由に現場でもキャスターを取付けることが可能で、使用条件に合致する運搬台車を容易に確保でき、また、窪地・排水溝などの溝も容易に乗り越えられ、使い勝手がよく作業性の向上を図れる運搬台車を提供するものである。   The object of the present invention is to eliminate the inconvenience of the conventional example, and it is possible to freely attach casters to any location at the site, easily secure a transport cart that meets the conditions of use, and It is an object of the present invention to provide a transport cart that can easily overcome grooves such as grooves and that is easy to use and can improve workability.
本発明は前記目的を達成するため、請求項1記載〜請求項3記載の本発明は、フレーム上にベースを取付けた台車本体の裏面の周辺部の四隅にキャスターを取付けた運搬台車において、前記四隅に取付けたキャスターをつなぐ輪郭線の内側で、使用時の進行方向と同じ方向の縦列に2個のキャスターを側面視で、四隅に取付けたキャスターと重ならないように設けたこと、および、前記縦列に設ける2個のキャスターの相互の間隔は、これら2個のキャスターと四隅に取付けたキャスターとの間隔よりも広いこと、さらに、前記縦列に設ける2個のキャスターの相互の間隔は、前記四隅に取付けたキャスターの前側または後ろ側で左右に並ぶ2個のャスターの間隔よりも広いことを要旨とするものである。 In order to achieve the above object, the present invention according to claims 1 to 3 is directed to a transport cart in which casters are attached to the four corners of the periphery of the rear surface of the cart body on which the base is mounted on the frame. serial inside the contour line connecting the casters mounted to the four corners, that in the side view the two casters in a column in the same direction as the traveling direction at the time of use, provided so as not to overlap with casters mounted to the four corners, and The distance between the two casters provided in the column is wider than the distance between the two casters and the casters attached to the four corners. Further, the distance between the two casters provided in the column is: The gist of the present invention is that it is wider than the interval between two casters arranged side by side on the front side or rear side of the casters attached to the four corners .
請求項1記載の本発明によれば、台車本体の四隅に設けた合計4個のキャスターの他に、中央に縦列に2個のキャスターが配設されるから、合計6輪となり、しかもそのうちの2個のキャスターは前記のように中央縦列に位置されるから、左右の前輪の2輪が溝に嵌っても、この状態でその後方の中央縦列の2輪と左右の後輪の2輪との、合計4輪で台車本体を安定した状態に支持でき、台車本体が傾くことはない。 According to the first aspect of the present invention, in addition to a total of four casters provided at the four corners of the cart body, two casters are arranged in the center, so that there are a total of six wheels, The two casters are positioned in the central column as described above, so even if the two wheels on the left and right front wheels fit into the groove, in this state, the two wheels on the rear central column and the two wheels on the left and right rear wheels With the four wheels in total, the cart body can be supported in a stable state, and the cart body does not tilt.
同様にして、中央縦列の2輪のキャスターのうちの1輪が溝に嵌ったときは、前後左右の4輪と中央縦列の残りの1輪の合計5輪で台車本体を支持できる。また、左右の後輪の2輪が溝に嵌っても、この状態でその前方の中央縦列の2輪と左右の前輪の2輪との、合計4輪で台車本体を安定した状態に支持でき、台車本体が傾くことはなく、安全に順次溝を乗り越えていくことができる。   Similarly, when one of the two wheels in the central column fits in the groove, the cart body can be supported by a total of five wheels including the four wheels on the front, rear, left and right and the remaining one in the center column. In addition, even if the left and right rear wheels fit into the groove, the cart body can be supported in a stable state with a total of four wheels, in this state, two wheels in the center column in front and two wheels in the left and right front wheels. The bogie body does not tilt, and you can safely go over the grooves sequentially.
請求項記載の発明は、台車本体の周辺部の少なくとも四隅に取付けた4輪のキャスターと、使用時の進行方向と同じ方向の縦列に取付けた2輪以上のキャスターとのそれぞれの取付板をフレームの下面に固定し、この取付板の任意のものを選択してこれにキャスターの台座を着脱自在に取付け、キャスターを固定することを要旨とするものである。 The invention according to claim 4 is provided with a mounting plate for each of the four-wheel casters attached to at least four corners of the peripheral portion of the cart body and the two or more casters attached in a column in the same direction as the traveling direction in use. The gist is to fix to the lower surface of the frame, select an arbitrary one of the mounting plates, removably attach the pedestal of the caster, and fix the caster.
請求項記載の本発明によれば、台車本体を構成するフレームに対して、キャスターの取付けが予想される全ての箇所に取付板を予め取付けておいたから、使用条件に合致する箇所の取付板を選択して、これにキャスターの台座を取り付けるだけで、あるいは、使用しないキャスターを外すだけで、希望の態様の運搬台車を容易に確保できる。かかる作業は使用現場でも容易に行える。 According to the fourth aspect of the present invention, since the mounting plates are attached in advance to all the places where the casters are expected to be attached to the frame constituting the cart body, the mounting plates at the locations that match the use conditions By simply selecting and attaching a caster base to this, or simply removing a caster that is not used, it is possible to easily secure a transport carriage of a desired mode. Such work can be easily performed at the site of use.
請求項記載の発明は、前記取付板が取付けられた部分に対応するベースは、欠損部としてキャスター収納用の凹所が形成されることを要旨とするものである。 The gist of the invention according to claim 5 is that the base corresponding to the portion to which the mounting plate is mounted is formed with a recess for receiving a caster as a missing portion.
請求項記載の本発明によれば、取付板の上方は開口に形成されるから、取付板にキャスターの台座を取り付ける際、上下面の双方から作業でき、ボルト止め、ナット締めなどの作業が行いやすい。また、ベースに形成されたキャスター収納用の凹所は、底部が取付板で塞がれることになり、台車本体を段積みしたとき、上段の台車本体のキャスターは、凹所において下段の台車本体の取付板で支持される。 According to the fifth aspect of the present invention, since the upper part of the mounting plate is formed in the opening, when attaching the pedestal of the caster to the mounting plate, it is possible to work from both the upper and lower surfaces, such as bolting and nut tightening. Easy to do. Also, the caster storage recess formed in the base will be closed by the mounting plate at the bottom, and when the cart body is stacked, the caster of the upper cart body is the lower cart body in the recess It is supported by the mounting plate.
以上述べたように本発明の運搬台車は、ベースに対してキャスター取付が想定される全ての箇所に取付板を予め取りつけておいたから、任意の箇所の取付板を選択するだけで希望の箇所に自由に現場でもキャスターを取付けることが可能で、使用条件に合致する運搬台車を容易に確保でき、また、窪地・排水溝などの溝も容易に乗り越えられ、使い勝手がよく作業性の向上を図れるものである。   As described above, the transport cart of the present invention has mounting plates attached in advance to all locations where caster mounting is assumed on the base. Casters can be installed freely at the site, transportation carts that match the usage conditions can be easily secured, and grooves such as depressions and drainage grooves can be easily overcome, improving usability and improving workability. It is.
以下、図面について本発明の実施の形態を詳細に説明する。図1は本発明の運搬台車の第1実施形態を示す底面図、図2は同上平面図、図3は、同上側面図で、図4は第2実施形態を示す底面図で、台車本体は鉄製またはアルミニウム合金製の角パイプによるフレーム6と、このフレーム6の上部に接合される鉄製またはアルミニウム合金製の載置板であるベース7とで構成される。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a bottom view showing a first embodiment of a transport cart of the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a side view of the same, FIG. 4 is a bottom view showing a second embodiment , The frame 6 is composed of a square pipe made of iron or aluminum alloy, and a base 7 that is a mounting plate made of iron or aluminum alloy joined to the upper portion of the frame 6.
前記フレーム6は角パイプを縦横方向に付き合わせ溶接にて格子状に形成したものであり、図示の例では縦方向の長尺な4本の角パイプに対して、横方向に短尺な複数の角パイプを接合し、縦横のパイプにより図示の例では縦約191mm、横約199mmの方形の15個の区画8が、縦列に3列、横列に5列形成される。   The frame 6 is formed by joining square pipes in the vertical and horizontal directions in a lattice shape, and in the illustrated example, a plurality of square pipes that are short in the horizontal direction are formed on the four long vertical pipes in the vertical direction. Square pipes are joined, and in the example shown in the figure, 15 rectangular sections 8 having a length of about 191 mm and a width of about 199 mm are formed into three rows in a vertical row and five rows in a horizontal row.
この格子状のフレーム6の下面で、キャスター2の取付けが予想される箇所の区画8に、キャスター2の取付板9をブラインドリベット10にて予め取り付けておく。図1に示すように、取付板9の取付箇所は、台車本体の四隅の区画8の合計4箇所、中央の縦列で四隅の区画8の内側位置に合計2箇所、全部の合計が6箇所である。 On the lower surface of the lattice-like frame 6, a mounting plate 9 for the caster 2 is attached in advance with a blind rivet 10 to a section 8 where the caster 2 is expected to be attached. As shown in FIG. 1, the mounting positions of the mounting plate 9 are four in total in the four corner sections 8 of the carriage body, two in total in the center column in the four corner sections 8 , and a total of six positions. is there.
取付板9の形状は、対向する2箇所の角部の角度が90度の6角形状であり、90度の角部を縦横のフレーム6の下面に当接し、区画8の開口を閉塞するようにしてブラインドリベット10で固定する。   The shape of the mounting plate 9 is a hexagonal shape in which the angle of the two opposing corners is 90 degrees, and the 90-degree corners are in contact with the lower surfaces of the vertical and horizontal frames 6 so as to close the opening of the section 8. Then, fix with the blind rivet 10.
フレーム6の上面に配設されるベース7は、前記取付板9が配設されなかった区画8の部分にのみ取り付けられるものであり、図に示すように取付板9のある区画8の箇所では、底部が取付板9で閉塞された、キャスター2の収納用の凹所に形成される。 Base 7 which is disposed on the upper surface of the frame 6, which the mounting plate 9 is attached only to the portion of the partition 8 which have not been provided, part of the compartment 8 with a mounting plate 9 as shown in FIG. 2 Then, the bottom portion is formed in a recess for storing the caster 2, which is closed by the mounting plate 9.
以上のようにして使用条件に合致するように、取付板9の任意の箇所のものを選択して、取付板9にキャスター2を固定する。キャスター2は図1、図2、図にも示すように、台座2bにキャスター本体2aを回転自在に取付けたものであり、台座2bをボルトとナット11で取付板9に固定する。 As described above, an arbitrary portion of the mounting plate 9 is selected so as to meet the use conditions, and the caster 2 is fixed to the mounting plate 9. As shown in FIGS. 1, 2, and 3 , the caster 2 has a caster body 2 a rotatably attached to a pedestal 2 b, and the pedestal 2 b is fixed to a mounting plate 9 with bolts and nuts 11.
図3に示すように、前記縦列に設ける2個のキャスター2の相互の間隔は、これら2個のキャスターと四隅に取付けたキャスター3との間隔よりも広いものとする。 As shown in FIG. 3, the distance between the two casters 2 provided in the column is wider than the distance between the two casters and the casters 3 attached to the four corners.
また、図1、図2に示すように、前記縦列に設ける2個のキャスターの相互の間隔は、前記四隅に取付けたキャスターの前側または後ろ側で左右に並ぶ2個のャスターの間隔よりも広いものとした。Also, as shown in FIGS. 1 and 2, the distance between the two casters provided in the column is wider than the distance between the two casters arranged side by side on the front side or rear side of the casters attached to the four corners. It was supposed to be.
次に例えば図1に示す配置にキャスター2を取り付けて、溝5を乗り越える方法を図5について説明する。運搬台車を押して図5(b)のように溝5にキャスター2の左右の前輪が嵌っても、この状態でその後方の中央縦列の2輪のキャスター2と左右後の2輪のキャスター2との、合計4輪で台車本体を安定した状態に支持でき、台車本体が傾くことはない。   Next, for example, a method of attaching the caster 2 to the arrangement shown in FIG. Even if the left and right front wheels of the caster 2 are fitted into the groove 5 as shown in FIG. 5 (b) by pushing the transport carriage, in this state, the two rear casters 2 and the left and right rear two casters 2 Thus, the cart body can be stably supported by a total of four wheels, and the cart body does not tilt.
さらに前進して図5(c)の位置に達し、中央縦列の2輪のキャスター2のうちの前の1輪が溝5に嵌ったときは、前後左右の4輪のキャスター2と中央縦列の残りの後方の1輪のキャスター2の合計5輪で台車本体を安定状態に支持できる。   When the vehicle further moves forward to reach the position of FIG. 5 (c) and the front wheel of the two central casters 2 fits into the groove 5, the front / rear / right / left four casters 2 and the central vertical train The cart body can be supported in a stable state by a total of five wheels including the remaining one rear caster 2.
最後に、左右後輪の2輪のキャスター2が溝5に嵌っても、この状態でその前方の中央縦列の2輪のキャスター2と左右前輪の2輪のキャスター2との、合計4輪で台車本体を安定した状態に支持でき、いずれの場合も台車本体が傾くことはなく、安全に溝5を順次乗り越えていくことができる。   Finally, even if the two casters 2 of the left and right rear wheels are fitted in the groove 5, in this state, there are a total of four wheels, that is, the two casters 2 in the center vertical column and the two casters 2 in the left and right front wheels. The carriage main body can be supported in a stable state, and in any case, the carriage main body does not tilt, and the groove 5 can be safely and sequentially passed.
なお、溝5の幅は、前輪または後輪と、中央縦列の車輪との車輪ピッチを超えない範囲に限定されることはもちろんであり、図示の例では約214mmの幅の溝5であれば、乗り越えが可能である。   Of course, the width of the groove 5 is not limited to a range not exceeding the wheel pitch between the front wheel or the rear wheel and the wheel in the center column. In the illustrated example, the width of the groove 5 is about 214 mm. It is possible to get over.
そして、使用条件が変更になれば、ボルトとナット11を外して台座2bを取付板9から外しキャスター本体2aを除去したり、別の区画8に取り付けてある取付板9にキャスター2を付替えまたは新たにセットしたりして、新たな使用条件に合致する箇所にキャスター2を取り付ける。   If the usage conditions are changed, the bolts and nuts 11 are removed, the base 2b is removed from the mounting plate 9, the caster body 2a is removed, or the caster 2 is replaced with the mounting plate 9 attached to another section 8. Alternatively, the caster 2 is attached to a location that meets the new usage conditions by setting it anew.
台車本体を段積みした場合は、上段の台車のキャスター2が下段の台車の収納凹部内に入って取付板9で支承される。   When the cart bodies are stacked, the caster 2 of the upper cart enters the housing recess of the lower cart and is supported by the mounting plate 9.
図4は本発明の第2実施形態と示すもので、格子状のフレーム6の下面で、キャスター2の取付けが予想される箇所の区画8に、キャスター2の取付板9をブラインドリベット10にて予め取り付けておくが、取付板9の取付箇所は、台車本体の四隅の区画8の合計4箇所、中央の縦列で四隅の区画8の内側位置に合計2箇所、左右中央の区画8に合計2箇所であり、全部の合計が8箇所としたものである。   FIG. 4 shows a second embodiment of the present invention. On the lower surface of the lattice-like frame 6, the mounting plate 9 of the caster 2 is attached by the blind rivet 10 to the section 8 where the caster 2 is expected to be mounted. Although it is attached in advance, there are a total of four places for attachment of the attachment plate 9 in the four corner sections 8 of the carriage body, two in total in the middle position of the four corner sections 8 in the central column, and two in the left and right center section 8 in total. The total number is 8 places.
本発明の運搬台車の第1実施形態を示す底面図である。It is a bottom view which shows 1st Embodiment of the conveyance trolley | bogie of this invention. 本発明の運搬台車の第1実施形態を示す平面図である。It is a top view which shows 1st Embodiment of the conveyance trolley | bogie of this invention. 本発明の運搬台車の第1実施形態を示す側面図である。It is a side view which shows 1st Embodiment of the conveyance trolley | bogie of this invention. 本発明の運搬台車の第2実施形態を示す底面図である。It is a bottom view which shows 2nd Embodiment of the conveyance trolley | bogie of this invention. 本発明の運搬台車の使用状態を示す説明図である。It is explanatory drawing which shows the use condition of the conveyance trolley | bogie of this invention. 従来の運搬台車の底面図である。It is a bottom view of the conventional conveyance cart. 従来の運搬台車の使用状態を示す説明図である。It is explanatory drawing which shows the use condition of the conventional conveyance trolley | bogie.
1 ベース 2 キャスター
2a キャスター本体 2b 台座
3 手押し棒 4 荷物
5 溝 6 フレーム
7 ベース 8 区画
9 取付板 10 ブラインドリベット
11 ボルトとナット
DESCRIPTION OF SYMBOLS 1 Base 2 Caster 2a Caster main body 2b Base 3 Hand push bar 4 Luggage 5 Groove 6 Frame 7 Base 8 Partition 9 Mounting plate 10 Blind rivet 11 Bolt and nut

Claims (5)

  1. フレーム上にベースを取付けた台車本体の裏面の周辺部の四隅にキャスターを取付けた運搬台車において、前記四隅に取付けたキャスターをつなぐ輪郭線の内側で、使用時の進行方向と同じ方向の縦列に2個のキャスターを側面視で、四隅に取付けたキャスターと重ならないように設けたことを特徴とする運搬台車。 In transport carts that have casters attached to the four corners of the backside of the base body with the base mounted on the frame, inside the contour line that connects the casters attached to the four corners, in the same direction as the direction of travel during use A transport cart characterized in that two casters are provided so as not to overlap with casters attached to four corners in a side view .
  2. 前記縦列に設ける2個のキャスターの相互の間隔は、これら2個のキャスターと四隅に取付けたキャスターとの間隔よりも広い請求項1記載の運搬台車。2. The transport cart according to claim 1, wherein a distance between two casters provided in the column is wider than a distance between the two casters and casters attached to four corners.
  3. 前記縦列に設ける2個のキャスターの相互の間隔は、前記四隅に取付けたキャスターの前側または後ろ側で左右に並ぶ2個のキャスターの間隔よりも広い請求項1または請求項2記載の運搬台車。 3. The transport cart according to claim 1 , wherein a distance between two casters provided in the column is wider than a distance between two casters arranged side by side on the front side or the rear side of the casters attached to the four corners .
  4. 台車本体の周辺部の四隅に取付けた4輪のキャスターと、使用時の進行方向と同じ方向の縦列に取付けた2輪以上のキャスターのそれぞれの取付板をフレームの下面に固定し、この取付板の任意のものを選択してこれにキャスターの台座を着脱自在に取付け、キャスターを固定する請求項1ないし請求項3のいずれかに記載の運搬台車。 And casters of the four wheels attached to the four corners of the peripheral portion of the carriage body, each of the mounting plates of 2 or more wheels casters mounted in tandem in the same direction as the traveling direction at the time of use is fixed to the lower surface of the frame, the mounting The transport cart according to any one of claims 1 to 3, wherein an arbitrary plate is selected, a caster base is detachably attached thereto, and the caster is fixed.
  5. 前記取付板が取付けられた部分に対応するベースは、欠損部としてキャスター収納用の凹所が形成される請求項1ないし請求項4のいずれかに記載の運搬台車。   5. The transport cart according to claim 1, wherein the base corresponding to the portion to which the mounting plate is mounted is formed with a recess for accommodating casters as a missing portion.
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JP2006069447A (en) * 2004-09-03 2006-03-16 Mitsuba Corp Power-assisted transport device
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