JP2011102104A - Carrier - Google Patents

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JP2011102104A
JP2011102104A JP2009258509A JP2009258509A JP2011102104A JP 2011102104 A JP2011102104 A JP 2011102104A JP 2009258509 A JP2009258509 A JP 2009258509A JP 2009258509 A JP2009258509 A JP 2009258509A JP 2011102104 A JP2011102104 A JP 2011102104A
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seat plate
caster
spacer
end side
fixed
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JP2009258509A
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JP5552299B2 (en
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Kazutane Hoshikawa
和胤 星川
Masakazu Hoshikawa
雅一 星川
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NEO STAR KK
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NEO STAR KK
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Priority to JP2009258509A priority Critical patent/JP5552299B2/en
Priority to CN2010105419738A priority patent/CN102060045B/en
Publication of JP2011102104A publication Critical patent/JP2011102104A/en
Priority to HK11108057.0A priority patent/HK1154228A1/en
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Publication of JP5552299B2 publication Critical patent/JP5552299B2/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a stable carrier requiring a smaller number of part items than in a conventional one in mounting of a caster to an under surface, and allowing easier assembly work and disassembly work. <P>SOLUTION: The carrier includes the caster via one set of mounting parts in the under surface of a base board constituting the carrier and a wheel support leg connected to an under surface center of a seat plate composing the caster, and a wheel is rotatably held by the wheel support leg. One of the mounting parts has a fixing groove for inserting a one end side of the seat plate of the caster, the other of the mounting parts has a free groove for inserting the other end side of the seat plate and fixing it by a spacer, the one end side of the seat plate of the caster is fixed to the fixing groove, and the other end side of the seat plate is inserted and fixed in the free groove via the spacer. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、下面にキャスターを取り付けるのに当たり、従来のものと比べて部品点数が少なく、組立作業や分解作業を簡単に行うことができる台車に関する。   The present invention relates to a carriage that can be easily assembled and disassembled with fewer parts than conventional ones when a caster is attached to a lower surface.

従来からこの種の台車は、下面にキャスターを取り付けるのに当たっては、ボルトやねじによって取り付ける構造のもの、あるいはスライド受容部にキャスターの座板をスライドして取り付けるもの（特許文献１）、荷台ブロック同士が連結フレームを介して連結され、当該荷台ブロックにキャスターを固定するもの（特許文献２）など、各種提案されている。   Conventionally, this type of cart has a structure in which a caster is attached to the lower surface by using bolts or screws, or a caster seat plate that is slid and attached to a slide receiving portion (Patent Document 1). Are proposed through a connecting frame, and a caster is fixed to the load carrier block (Patent Document 2).

特開２００６−０６２４２９JP2006-062429 特開２００８−１２０２８２JP2008-120282

しかしボルトやねじによってキャスターを取り付ける構造の台車は、ボルト穴やねじ穴を開けなければならず、開いたボルト穴やねじ穴にキャスターの座板のねじ穴やボルト穴に一致させた状態でボルト締めやねじ締めをしなければならず、台車を製造するに当たってきわめて煩雑である。
この点、特許文献１及び２は、スライド受容部にキャスターの座板をスライドするだけなので、簡単な操作性を有するが、台車の下面の取付構造はキャスターの座板をスライドするにあたってきわめて複雑な構造からなっている。またこのスライド構造は台車の進行方向と平行になっているため、荷重のあるものを積載した場合に不安定である。
この発明の目的は、下面にキャスターを取り付けるのに当たり、従来のものと比べて部品点数が少なく、組立作業や分解作業を簡単に行うことができる安定した台車を提供するところにある。 However, a dolly with a structure in which casters are attached with bolts and screws must have bolt holes and screw holes, and the bolt bolts and screw holes must be aligned with the screw holes and bolt holes of the caster seat plate. It must be tightened or screwed, which is very complicated in manufacturing the cart.
In this regard, Patent Documents 1 and 2 have simple operability because only the seat plate of the caster is slid on the slide receiving portion, but the mounting structure on the lower surface of the carriage is extremely complicated when sliding the seat plate of the caster. It consists of a structure. Moreover, since this slide structure is parallel to the traveling direction of the carriage, it is unstable when a heavy load is loaded.
An object of the present invention is to provide a stable carriage that can be easily assembled and disassembled by attaching a caster to the lower surface with fewer parts than conventional ones.

前記課題を解決するため、台車を構成する台盤の下面に一組の取付け部を介してキャスターを備え、当該キャスターを構成する座板の下面中央に車輪支持脚を連結して備え、その車輪支持脚に車輪が回転可能に保持された構造からなる台車において、
前記取付け部の一方は前記キャスターの座板の一端側を挿入する固定溝を有し、
前記取付け部の他方は当該座板の他端側を挿入し、スペーサーで固定する自由溝を有し、
前記固定溝に前記キャスターの座板の一端側を固定し、前記自由溝に当該座板の他端側をスペーサーを介して挿着して固定することを特徴とする台車を採用した。 In order to solve the above-mentioned problem, a caster is provided on the lower surface of the base plate constituting the carriage via a set of attachment portions, and a wheel support leg is connected to the center of the lower surface of the seat plate constituting the caster. In the cart having a structure in which the wheel is rotatably held by the support leg,
One of the attachment parts has a fixing groove for inserting one end side of the seat plate of the caster,
The other of the mounting part has a free groove for inserting the other end of the seat plate and fixing it with a spacer,
A cart is used in which one end side of the seat plate of the caster is fixed to the fixing groove, and the other end side of the seat plate is inserted and fixed to the free groove through a spacer.

従って、キャスターを取り付ける際には、まず前記固定溝に前記キャスターの座板の一端側を固定し、その後反対側の前記自由溝に当該座板の他端側を挿入し、続いてスペーサーを前記座板の他端側に挟むように入れれば、簡単に取り付けられる。   Therefore, when attaching the caster, first, one end side of the seat plate of the caster is fixed to the fixing groove, and then the other end side of the seat plate is inserted into the free groove on the opposite side, and then the spacer is inserted into the fixed groove. If it is inserted so as to be sandwiched between the other ends of the seat plate, it can be easily attached.

よって、従来のごとく、台車を構成する台盤の下面の取付け部に、座板の取付方向からボルト又はねじの通し孔を穿設し、続いて台盤にボルト又はねじの通し穴を設け、これらの通し穴にボルト又はねじを締結する必要がない。また従来のごとく、キャスターの座板をスライドする構造でないため複雑で不安定な構造をとる必要がない。   Therefore, as in the prior art, a bolt or screw through hole is drilled in the mounting portion on the lower surface of the base plate constituting the carriage from the mounting direction of the seat plate, and then a bolt or screw through hole is provided in the base plate. There is no need to fasten bolts or screws to these through holes. Moreover, since it is not the structure which slides the seat plate of a caster like the past, it is not necessary to take a complicated and unstable structure.

図１は本発明の一実施形態を示す要部拡大正面図である。FIG. 1 is an enlarged front view of an essential part showing an embodiment of the present invention. 図２は台盤を取り除いた同平面図である。FIG. 2 is a plan view with the base plate removed. 図３はキャスターを取り除いた一組の取付け部を示す同平面図である。FIG. 3 is a plan view showing a set of attachment parts from which casters are removed. 図４は図３においてＡ−Ａ線断面を示す同正面図である。FIG. 4 is a front view showing a cross section taken along line AA in FIG. 図５は固定溝側の取付け部を示す同背面図である。FIG. 5 is a rear view showing the mounting portion on the fixed groove side. 図６は自由溝側の取付け部を示す同左側面図である。FIG. 6 is a left side view showing the attachment portion on the free groove side. 図７はスペーサーを示す同正面図である。FIG. 7 is a front view showing the spacer. 図８は同スペーサーを示す同右側面図である。FIG. 8 is a right side view showing the spacer. 図９は同スペーサーを示す同平面図である。FIG. 9 is a plan view showing the spacer. 図１０は同スペーサーを示す同背面図である。FIG. 10 is a rear view showing the spacer. 図１１は同スペーサーを示す図８におけるＢ−Ｂ線断面図である。FIG. 11 is a sectional view taken along line BB in FIG. 8 showing the spacer. 図１２は同スペーサーを示す図８におけるＣ−Ｃ線断面図である。12 is a cross-sectional view taken along the line CC in FIG. 8 showing the spacer. 図１３は本発明の他実施形態を示す要部拡大正面図である。FIG. 13 is an enlarged front view of an essential part showing another embodiment of the present invention. 図１４は台盤を取り除いた同平面図である。FIG. 14 is a plan view with the base plate removed. 図１５はキャスターを取り除いた一組の取付け部を示す同平面図である。FIG. 15 is a plan view showing a set of attachment parts from which casters are removed. 図１６は図１５においてＤ−Ｄ線断面を示す同正面図である。FIG. 16 is a front view showing a cross section along line DD in FIG. 図１７は固定溝側の取付け部を示す同背面図である。FIG. 17 is a rear view of the mounting portion on the fixed groove side. 図１８は固定溝側の取付け部を示すＦから見た同側面図である。FIG. 18 is a side view seen from F showing the mounting portion on the fixed groove side. 図１９は自由溝側の取付け部を示す同左側面図である。FIG. 19 is a left side view showing the attachment portion on the free groove side. 図２０はスペーサーを示す同正面図である。FIG. 20 is a front view showing the spacer. 図２１は同スペーサーを示す同平面図である。FIG. 21 is a plan view showing the spacer. 図２２は同スペーサーを示す同背面図である。FIG. 22 is a rear view showing the spacer. 図２３は同スペーサーを示す図２２におけるＥ−Ｅ線断面図である。23 is a cross-sectional view taken along line EE in FIG. 22 showing the spacer.

この発明は本実施形態に限定されるものではない。
本実施形態の台車１は、図１〜図６に示すように、台盤１００の下面１０１に複数のキャスター２００を備えている。キャスター２００は、座板２０１の下面中央２０２に車輪支持脚２０３を連結して備え、その車輪支持脚２０３に車輪２０４が回転可能に保持された構造になっている。 The present invention is not limited to this embodiment.
As shown in FIGS. 1 to 6, the cart 1 of the present embodiment includes a plurality of casters 200 on the lower surface 101 of the platform 100. The caster 200 includes a wheel support leg 203 coupled to the lower surface center 202 of the seat plate 201, and has a structure in which the wheel 204 is rotatably held by the wheel support leg 203.

台盤１００は、合成樹脂の射出成形品で、平面形状が長方形である。台盤１００のうち荷物が載置される部分には、裏面に補強用のリブが網の目状に張り巡らされている。   The base plate 100 is an injection-molded product of synthetic resin and has a rectangular planar shape. A reinforcing rib is stretched around the back of the part of the base plate 100 on which a load is placed.

１０２、１０３は台盤１００の下面１０１に補強用のリブとしてそれぞれ設けられたキャスター２００の取付け部である。この一方の取付け部１０２は前記キャスター２００の座板２０１の一端側２０５を挿入する固定溝１０４を有している。この固定溝１０４は座板２０１の一端側２０５を挿入するだけでその端縁部２０５ａがあたりそれ以上すすまない構造となっている。他方の取付け部１０３は当該座板２０１の他端側２０７を挿入し、スペーサー２０８で固定する自由溝１０５を有している。この自由溝１０５は、一旦固定溝１０４に一端側２０５を挿入し固定した座板２０１を、反対側でスペーサー３００を挟んで固定するためにその座板２０１とスペーサー３００の分、貫通して設けられている。
従って、前記固定溝１０４に前記キャスター２００の座板２０１の一端側２０５を固定し、前記自由溝１０５に当該座板２０１の他端側２０７をスペーサー３００を介して挿着して固定すれば、きわめて簡単に着脱できる。 Reference numerals 102 and 103 denote attachment portions of casters 200 provided as reinforcing ribs on the lower surface 101 of the base plate 100, respectively. This one attachment portion 102 has a fixing groove 104 into which one end side 205 of the seat plate 201 of the caster 200 is inserted. The fixing groove 104 has a structure in which only one end side 205 of the seat plate 201 is inserted and the end edge portion 205a hits and does not go any further. The other mounting portion 103 has a free groove 105 into which the other end 207 of the seat plate 201 is inserted and fixed with a spacer 208. The free groove 105 is provided by penetrating the seat plate 201 and the spacer 300 in order to fix the seat plate 201 once inserted and fixed to the fixing groove 104 with the spacer 300 interposed therebetween. It has been.
Therefore, if one end side 205 of the seat plate 201 of the caster 200 is fixed to the fixing groove 104 and the other end side 207 of the seat plate 201 is inserted and fixed to the free groove 105 via the spacer 300, It is very easy to attach and detach.

なお、この実施形態では、１０６は縦方向に突出したリブ壁であり、その下方向の端部１０６ａと下面部１０７との間で座板２０１の一端側２０５の上下方向を固定するようにしている。また１０８は座板２０１の厚み分独立して飛び出たリブ壁であり、このリブ壁１０８によって座板２０１の他端側２０７の端縁部２０７ａが当たる構造となっている。   In this embodiment, 106 is a rib wall protruding in the vertical direction, and the vertical direction of one end side 205 of the seat plate 201 is fixed between the lower end portion 106a and the lower surface portion 107 thereof. Yes. Reference numeral 108 denotes a rib wall that protrudes independently by the thickness of the seat plate 201, and the rib wall 108 has a structure in which the edge portion 207 a on the other end 207 of the seat plate 201 hits.

スペーサー３００は、図７〜図１２に示す様に、真ん中に設けられ独立した動きをする爪部３０１を有している。また３０２は座板２０１の他端側２０７の端縁部２０７ａが当たる突起である。この上側に飛び出た突起３０２と下側に飛び出た前記のリブ壁１０８によって、自由溝１０５側の静止が確定し、そしてスペーサー３００が押し入ったところで爪部３０１が下がり確定する。   As shown in FIGS. 7 to 12, the spacer 300 has a claw portion 301 that is provided in the middle and moves independently. Reference numeral 302 denotes a protrusion with which the edge 207a on the other end 207 of the seat plate 201 abuts. The protrusion 302 protruding upward and the rib wall 108 protruding downward confirm the rest on the free groove 105 side, and lower the nail 301 when the spacer 300 enters.

一方、次の台車２もほぼ同様の構造からなっている。この台車２は、図１３〜図１９に示すように、台盤４００の下面４０１に複数のキャスター５００を備えている。キャスター５００は、座板５０１の下面中央５０２に車輪支持脚５０３を連結して備え、その車輪支持脚５０３に車輪５０４が回転可能に保持された構造になっている。   On the other hand, the next carriage 2 has a substantially similar structure. As shown in FIGS. 13 to 19, the carriage 2 includes a plurality of casters 500 on the lower surface 401 of the platform 400. The caster 500 includes a wheel support leg 503 connected to the lower surface center 502 of the seat plate 501, and the wheel 504 is rotatably held on the wheel support leg 503.

台盤４００は、合成樹脂の射出成形品で、平面形状が長方形である。台盤４００のうち荷物が載置される部分には、裏面に補強用のリブが網の目状に張り巡らされている。   The base plate 400 is an injection-molded product of synthetic resin and has a rectangular planar shape. In the part of the base 400 on which the luggage is placed, reinforcing ribs are stretched around in a mesh pattern on the back surface.

４０２、４０３は台盤４００の下面４０１に補強用のリブとしてそれぞれ設けられたキャスター５００の取付け部である。この一方の取付け部４０２は前記キャスター５００の座板５０１の一端側５０５を挿入する固定溝４０４を有している。この固定溝４０４は座板５０１の一端側５０５を挿入するだけでその端縁部５０５ａがあたりそれ以上すすまない構造となっている。他方の取付け部４０３は当該座板５０１の他端側５０７を挿入し、スペーサー６００で固定する自由溝４０５を有している。この実施形態では図１４に示すように、取付け部４０３は円弧状の平面を有していて、その分座板５０１が入りやすくなっている。この自由溝４０５は、一旦固定溝４０４に一端側５０５を挿入し固定した座板５０１を、反対側でスペーサー６００を挟んで固定するためにその座板４０１とスペーサー６００の分、貫通して設けられている。   Reference numerals 402 and 403 denote attachment portions of casters 500 provided as reinforcing ribs on the lower surface 401 of the base 400. This one attachment portion 402 has a fixing groove 404 into which one end side 505 of the seat plate 501 of the caster 500 is inserted. The fixing groove 404 has a structure in which only one end side 505 of the seat plate 501 is inserted and the end edge portion 505a hits and does not go further. The other mounting portion 403 has a free groove 405 into which the other end 507 of the seat plate 501 is inserted and fixed by the spacer 600. In this embodiment, as shown in FIG. 14, the attachment portion 403 has an arc-shaped flat surface, and the split plate 501 can easily enter. The free groove 405 is provided by penetrating the seat plate 401 and the spacer 600 in order to fix the seat plate 501 once inserted and fixed to the fixing groove 404 with the spacer 600 interposed therebetween. It has been.

従って、前記固定溝４０４に前記キャスター５００の座板５０１の一端側５０５を固定し、前記自由溝４０５に当該座板５０１の他端側５０７をスペーサー６００を介して挿着して固定すれば、きわめて簡単に着脱できる。   Therefore, if one end side 505 of the seat plate 501 of the caster 500 is fixed to the fixing groove 404 and the other end side 507 of the seat plate 501 is inserted and fixed to the free groove 405 via the spacer 600, It is very easy to attach and detach.

なお、この実施形態では、４０６は縦方向に突出したリブ壁であり、その下方向の端部４０６ａと下面部４０７との間で座板５０１の一端側５０５の上下方向を固定するようにしている。また４０８は座板５０１の厚み分独立して飛び出たリブ壁であり、このリブ壁４０８によって座板５０１の他端側５０７の端縁部５０７ａが当たる構造となっている。   In this embodiment, reference numeral 406 denotes a rib wall protruding in the vertical direction, and the vertical direction of one end side 505 of the seat plate 501 is fixed between the lower end 406a and the lower surface 407. Yes. Reference numeral 408 denotes a rib wall protruding independently by the thickness of the seat plate 501, and the rib wall 408 has a structure in which the edge 507 a of the other end side 507 of the seat plate 501 hits.

スペーサー６００は、図２０〜図２３に示す様に、真ん中に設けられ独立した動きをする爪部６０１を有している。また６０２は座板５０１の他端側５０７の端縁部５０７ａが当たる突起である。この上側に飛び出た突起６０２と下側に飛び出た前記のリブ壁４０８によって、自由溝４０５側の静止が確定し、そしてスペーサー６００が押し入ったところで爪部６０１が下がり確定する。   As shown in FIGS. 20 to 23, the spacer 600 has a claw portion 601 that is provided in the middle and moves independently. Further, reference numeral 602 denotes a protrusion with which the end edge portion 507a of the other end 507 of the seat plate 501 hits. By the protrusion 602 protruding upward and the rib wall 408 protruding downward, the free groove 405 side is fixed, and when the spacer 600 is pushed in, the claw portion 601 is lowered and fixed.

従って、キャスターを取り付ける際には、まず前記固定溝に前記キャスターの座板の一端側を固定し、その後反対側の前記自由溝に当該座板の他端側を挿入し、続いてスペーサーを前記座板の他端側に挟むように入れれば、簡単に取り付けられる。
よって、従来のごとく、台車を構成する台盤の下面の取付け部に、座板の取付方向からボルト又はねじの通し孔を穿設し、続いて台盤にボルト又はねじの通し穴を設け、これらの通し穴にボルト又はねじを締結する必要がない。また従来のごとく、キャスターの座板をスライドする構造でないため複雑で不安定な構造をとる必要がない。 Therefore, when attaching the caster, first, one end side of the seat plate of the caster is fixed to the fixing groove, and then the other end side of the seat plate is inserted into the free groove on the opposite side, and then the spacer is inserted into the fixed groove. If it is inserted so as to be sandwiched between the other ends of the seat plate, it can be easily attached.
Therefore, as in the prior art, a bolt or screw through hole is drilled in the mounting portion on the lower surface of the base plate constituting the carriage from the mounting direction of the seat plate, and then a bolt or screw through hole is provided in the base plate. There is no need to fasten bolts or screws to these through holes. Moreover, since it is not the structure which slides the seat plate of a caster like the past, it is not necessary to take a complicated and unstable structure.

１ 台車
１００ 台盤
１０１ 下面
１０２ 取付け部
１０３ 取付け部
１０４ 固定溝
１０５ 自由溝
２００ キャスター
２０１ 座板
３００ スペーサー
２ 台車
４００ 台盤
４０１ 下面
４０２ 取付け部
４０３ 取付け部
４０４ 固定溝
４０５ 自由溝
５００ キャスター
５０１ 座板
６００ スペーサー DESCRIPTION OF SYMBOLS 1 Carriage 100 Base 101 Lower surface 102 Attachment part 103 Attachment part 104 Fixed groove 105 Free groove 200 Caster 201 Seat plate 300 Spacer 2 Cart 400 Base board 401 Bottom surface 402 Attachment part 403 Attachment part 404 Fixed groove 405 Free groove 500 Caster 501 Seat plate 600 spacer

Claims (1)

台車を構成する台盤の下面に一組の取付け部を介してキャスターを備え、当該キャスターを構成する座板の下面中央に車輪支持脚を連結して備え、その車輪支持脚に車輪が回転可能に保持された構造からなる台車において、
前記取付け部の一方は前記キャスターの座板の一端側を挿入する固定溝を有し、
前記取付け部の他方は当該座板の他端側を挿入し、スペーサーで固定する自由溝を有し、
前記固定溝に前記キャスターの座板の一端側を固定し、前記自由溝に当該座板の他端側をスペーサーを介して挿着して固定することを特徴とする台車。 A caster is provided on the lower surface of the base plate constituting the carriage via a set of attachment portions, and a wheel support leg is connected to the center of the lower surface of the seat plate constituting the caster, and the wheel can be rotated on the wheel support leg. In the cart consisting of the structure held in
One of the attachment parts has a fixing groove for inserting one end side of the seat plate of the caster,
The other of the mounting part has a free groove for inserting the other end of the seat plate and fixing it with a spacer,
One end of the seat plate of the caster is fixed to the fixing groove, and the other end side of the seat plate is inserted and fixed to the free groove through a spacer.
JP2009258509A 2009-11-12 2009-11-12 Trolley Active JP5552299B2 (en)

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JP2009258509A JP5552299B2 (en) 2009-11-12 2009-11-12 Trolley
CN2010105419738A CN102060045B (en) 2009-11-12 2010-11-10 Trolley
HK11108057.0A HK1154228A1 (en) 2009-11-12 2011-08-03 Carriage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009258509A JP5552299B2 (en) 2009-11-12 2009-11-12 Trolley

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
JP5707005B1 (en) * 2014-05-13 2015-04-22 株式会社ナンシン Caster mounting structure and cart

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4059861A1 (en) * 2016-01-28 2022-09-21 CHEP Technology Pty Limited Dolly

Citations (5)

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Publication number Priority date Publication date Assignee Title
JPH1120706A (en) * 1997-06-30 1999-01-26 Mitsubishi Plastics Ind Ltd Carriage
JP2006021555A (en) * 2004-07-06 2006-01-26 Asaka Industrial Co Ltd Caster mounting structure and dolly
JP2008120282A (en) * 2006-11-14 2008-05-29 Nitto:Kk Wheeled cart
JP2010006202A (en) * 2008-06-26 2010-01-14 Sanko Co Ltd Cart
JP2010264851A (en) * 2009-05-14 2010-11-25 Sanko Co Ltd Truck

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JP4435956B2 (en) * 1999-09-21 2010-03-24 カヤバ工業株式会社 caster
JP4325936B2 (en) * 2004-08-25 2009-09-02 三甲株式会社 Trolley
JP2007261466A (en) * 2006-03-29 2007-10-11 Nobuhiro Sugi Caster device
JP5227642B2 (en) * 2008-04-11 2013-07-03 三甲株式会社 Trolley

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JPH1120706A (en) * 1997-06-30 1999-01-26 Mitsubishi Plastics Ind Ltd Carriage
JP2006021555A (en) * 2004-07-06 2006-01-26 Asaka Industrial Co Ltd Caster mounting structure and dolly
JP2008120282A (en) * 2006-11-14 2008-05-29 Nitto:Kk Wheeled cart
JP2010006202A (en) * 2008-06-26 2010-01-14 Sanko Co Ltd Cart
JP2010264851A (en) * 2009-05-14 2010-11-25 Sanko Co Ltd Truck

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5707005B1 (en) * 2014-05-13 2015-04-22 株式会社ナンシン Caster mounting structure and cart
WO2015173898A1 (en) * 2014-05-13 2015-11-19 株式会社ナンシン Attachment structure for caster, and platform

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CN102060045B (en) 2012-11-21
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JP5552299B2 (en) 2014-07-16

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