JPH08332957A - Foldable load-carrying four-wheel hand truck - Google Patents

Abstract

PURPOSE: To provide a load carrying four-wheel hand truck that can be folded and stored in a compact state. CONSTITUTION: In a load carrying four-wheel hand truck with four casters 20 fitted to four corners of a rectangular horizontal base 10 for placing load, mounting brackets 30, 31 with L-shape cross section parts pivotally fitted so as to rise and fall from a longitudinal direction to a vertical direction are interposed at the respective lateral side edges of the respective longitudinal end parts of the horizontal base 10 through lateral pins 35, and common handles 40, 41 are erected on the upper faces of the mounting brackets laterally relative at the respective longitudinal end parts. Horizontal cutouts 32, 32 for fastening are formed on the inner end side of the mounting brackets, and fastening bars 50 with both end parts fitted into the fastening cutouts 32, 32 so as to restrain the mounting brackets horizontally are provided piercing the horizontal base 10 laterally so as to be longitudinally movable, with both end parts protruded from the side faces.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、例えば、トラックへの
荷物の積卸し時に荷物を載せて運搬するために使用し、
且つトラック等に載せても場所を取らないよう、折畳み
可能にした手押し四輪車に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used, for example, for loading and unloading cargo on a truck,
Further, the present invention relates to a foldable four-wheeled vehicle so that it does not take up a lot of space even when it is placed on a truck or the like.

【０００２】[0002]

【従来の技術】従来、例えば、トラックへの荷物の積卸
し時に荷物を載せて運搬するために使用する手押し車と
して、一般に荷物を載せる水平な台に車輪を４個を取付
けたものが使用されている。2. Description of the Related Art Conventionally, for example, as a wheelbarrow used for loading and unloading luggage on a truck, one having four wheels mounted on a horizontal table on which luggage is generally loaded has been used. ing.

【０００３】しかしながら、上記従来の荷物運搬用手押
し車は、空間占有容積が大きく、トラック等に載せた場
合、場所を取ると言う問題点がある。However, the conventional baggage transporting cart has a large space occupying capacity and has a problem that it takes up a lot of space when it is mounted on a truck or the like.

【０００４】[0004]

【発明が解決しようとする課題】解決しようとする問題
点は、上記従来の荷物運搬用手押し車は、空間占有容積
が大きく、トラック等に載せた場合、場所を取るため、
コンパクトに折畳み可能な荷物運搬用手押し車に対する
需要は高くなっている。The problem to be solved is that the above-mentioned conventional baggage-carrying baggage has a large space occupancy, and when it is placed on a truck or the like, it takes up a lot of space.
The demand for compact, collapsible handcarts for carrying luggage is increasing.

【０００５】[0005]

【課題を解決するための手段】図面を参考にして説明す
る。第１の発明は、荷物を載せる長方形状水平台１０の
四隅に４個のキャスター２０を取付けてなる荷物運搬用
手押し四輪車であって、水平台１０と各キャスター２０
との間に、水平台１０の前後各端部の左右各側縁に、左
右方向ピン３５を介して、前後方向から上下方向まで起
伏可能に枢着した断面Ｌ字状部を有する取付ブラケット
３０，３１を介在させてあり、前後各端部において左右
に相対する取付ブラケット３０，３１の上面に、共通の
手押し用把手４０，４１を立設すると共に、取付ブラケ
ット３０，３１の内端側にそれぞれ水平方向の掛止用切
欠き３２，３２を入れ、その掛止用切欠き３２，３２に
両端部を嵌込み、取付ブラケット３０，３１を水平に抑
止する掛止棒５０を、前後方向に移動可能に、水平台１
０を左右に貫き、且つその両端部を側面から突出させて
ある。A means for solving the problems will be described with reference to the drawings. A first aspect of the present invention is a luggage-carrying four-wheeled vehicle in which four casters 20 are attached to four corners of a rectangular horizontal base 10 on which a load is placed.
Between the mounting bracket 30 and the left and right side edges of each of the front and rear ends of the horizontal base 10 with the L-shaped section in cross section pivotally mounted so as to be capable of undulating from the front-rear direction to the up-down direction via the lateral pin 35. , 31 are interposed, and common hand grips 40, 41 are erected on the upper surfaces of the mounting brackets 30, 31 facing each other at the front and rear ends, and at the inner end side of the mounting brackets 30, 31. The latching notches 32 and 32 in the horizontal direction are respectively inserted, and both ends are fitted into the latching notches 32 and 32, and the latching bar 50 that horizontally restrains the mounting brackets 30 and 31 is moved in the front-back direction. Movable, horizontal table 1
0 is penetrated to the left and right, and both ends thereof are projected from the side surface.

【０００６】第２の発明は、上記第１の発明の構成に加
えて、前記掛止棒５０と前記各ピン３５との間には、掛
止棒５０を各ピン３５側に引寄せるスプリング６０を張
架してある。A second aspect of the invention is, in addition to the structure of the first aspect of the invention, a spring 60 for pulling the retaining bar 50 toward each pin 35 between the retaining bar 50 and each pin 35. Is stretched.

【０００７】[0007]

【実施例】実施例について説明すると、荷物を載せる長
方形状水平台１０の四隅に４個のキャスター２０を取付
けてなる本発明の荷物運搬用手押し四輪車は次のように
構成される。DESCRIPTION OF THE PREFERRED EMBODIMENTS Explaining an embodiment, a baggage-carrying four-wheeled vehicle of the present invention in which four casters 20 are attached to four corners of a rectangular horizontal base 10 on which a load is placed is constructed as follows.

【０００８】すなわち、１１は水平台１０の上板、１２
はその上板１１の左右の各側縁に立設した側板、１３は
前記上板１１の前後の各端縁に面一に結合した補助板で
ある。なお、側板１２，１２間には、左右方向に上板１
１を支え、水平台１０を補強する複数本のリブ１５を介
在させてある。That is, 11 is an upper plate of the horizontal base 10 and 12
Is a side plate erected on each of the right and left side edges of the upper plate 11, and 13 is an auxiliary plate which is flush with the front and rear edges of the upper plate 11. In addition, between the side plates 12 and 12, the upper plate 1 is arranged in the left-right direction.
There are a plurality of ribs 15 that support 1 and reinforce the horizontal base 10.

【０００９】３０，３１は水平台１０の四隅に、左右方
向ピン３５を介して、前後方向から上下方向まで起伏可
能に枢着した断面Ｌ字状部を有する取付ブラケットであ
って、その下面にキャスター２０を取付けると共に、前
後各端部における左右の相対する取付ブラケット３０，
３１の上側には共通の手押し用把手４０，４１を立設し
てある。なお、把手４０，４１の取付位置は、それぞれ
前方の取付ブラケットはその前側の端、後方の取付ブラ
ケットはその後側の端である。また、取付ブラケット３
０，３１は何れか一方３１を把手４１の太さ分だけ短く
してあり、取付ブラケット３０，３１を回動させて、図
２に示す如く上板１１上に向かって水平に倒した際、前
後の把手４０，４１同士が干渉せず、上下２段に重なり
合うようにしてある。短い取付ブラケット３１に立設す
る把手４１は、水平に倒した際、他方の把手４０を立設
した取付ブラケット３０と干渉しないように短くしてあ
る。３２は各取付ブラケット３０，３１の内端側部に水
平方向に入れた掛止用切欠きであって、前方の取付ブラ
ケットについてはピン３５よりも後側の端、後方の取付
ブラケットについてはピン３５よりも前側の端にそれぞ
れ入れてある。なお、短い取付ブラケット３１の外側端
部に板バネ７０を取付けてあって、取付ブラケット３
１，３０を回動させて、把手４１，４０を２段に折重な
り合わせた際、その板バネ７０で上段の把手４０を押
え、留めるようにしてある。Numerals 30 and 31 are mounting brackets having L-shaped cross-sections pivotally attached to the four corners of the horizontal base 10 so that they can be undulated from the front-rear direction to the up-down direction via the left-right direction pins 35. While mounting the caster 20, the left and right mounting brackets 30, which are opposed to each other at the front and rear ends,
Common hand grips 40 and 41 are provided on the upper side of 31. The grips 40 and 41 are attached at the front end of the front mounting bracket and at the rear end of the rear mounting bracket. Also, the mounting bracket 3
One of 0 and 31 is shortened by the thickness of the handle 41, and when the mounting brackets 30 and 31 are rotated and tilted horizontally toward the upper plate 11 as shown in FIG. 2, The front and rear handles 40 and 41 do not interfere with each other, and are stacked in two upper and lower stages. The grip 41 which is erected on the short mounting bracket 31 is short so as not to interfere with the mounting bracket 30 on which the other grip 40 is erected when the grip 41 is laid horizontally. Reference numeral 32 denotes a hooking notch horizontally inserted in the inner end side portion of each of the mounting brackets 30 and 31. The front mounting bracket has a rear end with respect to the pin 35, and the rear mounting bracket has a pin. It is put in the front end of 35 respectively. In addition, the leaf spring 70 is attached to the outer end of the short mounting bracket 31, and the mounting bracket 3
When the grips 41 and 40 are folded in two stages by rotating the grips 1 and 30, the leaf spring 70 presses and holds the grip 40 in the upper stage.

【００１０】５０はその掛止用切欠き３２，３２に両端
部を嵌込み、取付ブラケット３０，３１の回動を防止
し、水平に固定する掛止棒であって、側板１２，１２の
相対する位置に開けた水平長孔１４，１４に前後に移動
可能に通し、両端部を側板１２，１２の外方に突出させ
るため、管の両端部を押潰し、平板状にしたものであ
る。Numeral 50 is a latching rod which fits both ends into the latching notches 32, 32 to prevent the mounting brackets 30, 31 from rotating and to fix them horizontally. Both ends of the tube are crushed into a flat plate shape so that both ends can be protruded to the outside of the side plates 12 and 12 so as to be passed through the horizontal elongated holes 14, 14 opened at positions to be moved forward and backward.

【００１１】６０は掛止棒５０と各ピン３５との間に介
在させる引張コイルスプリングであって、キャスター２
０を水平台１０下方に下げ、把手４０，４１を起立させ
る水平位置に抑止する掛止棒５０を掛止用切欠き３２か
ら抜けないよう、ピン３５側に引寄せるものである。な
お、取付ブラケット３０，３１の掛止用切欠き３２の上
方コーナー部は、取付ブラケット３０，３１を上下方向
から前後方向にまで起す途中、押退ける掛止棒５０との
接触を滑らかにするため、丸くしてある。Reference numeral 60 denotes a tension coil spring which is interposed between the retaining rod 50 and each pin 35, and is a caster 2
0 is lowered to the lower side of the horizontal base 10 and the latching rod 50 that restrains the handles 40 and 41 in the horizontal position where they are raised is pulled toward the pin 35 side so as not to come off from the latching notch 32. The upper corners of the latching notches 32 of the mounting brackets 30 and 31 are provided to smooth the contact with the latching bar 50 that is pushed away while raising the mounting brackets 30 and 31 from the vertical direction to the front-rear direction. , Rounded.

【００１２】[0012]

【作用】使用に当っては、先ず、把手４１，４０を回し
て起こすと、４個の取付ブラケット３１，３０が上下方
向から前後方向に回わり、４個のキャスター２０を水平
台１０の下方に下げ、一旦押退けた掛止棒５０の平板状
端部を掛止用切欠き３２に嵌込み、抑止する。掛止用切
欠き３２に嵌込まれた掛止棒５０はスプリング６０によ
りピン３５側に引寄せられて、掛止用切欠き３２から抜
けることはない。In use, first, when the handles 41, 40 are turned up and raised, the four mounting brackets 31, 30 are turned from the vertical direction to the front-back direction, and the four casters 20 are moved downward from the horizontal base 10. , And the flat plate-shaped end of the retaining rod 50 once pushed back is fitted into the retaining notch 32 and is restrained. The latching rod 50 fitted in the latching notch 32 is pulled toward the pin 35 by the spring 60 and does not come off from the latching notch 32.

【００１３】不使用時、収納に当っては、掛止棒５０を
スプリング６０の力に逆らって、側板１２の中央部に引
張り、掛止用切欠き３２から抜出し、把手４１，４０を
回して、両側から水平台１０上に倒し、２段に重ね合わ
せると、４個の取付ブラケット３１，３０が前後方向か
ら上下方向に回わり、４個のキャスター２０を水平台１
０の外側に水平に上がり、全体を薄くコンパクトに収め
ることが出来る。When not in use, when storing, the latching rod 50 is pulled against the force of the spring 60, pulled toward the center of the side plate 12, pulled out from the latching notch 32, and the handles 41, 40 are turned. , When the two mounting brackets 31 and 30 are turned from the front-back direction to the top-bottom direction when they are laid down on the horizontal base 10 from both sides and stacked in two stages, the four casters 20 are mounted on the horizontal base 1.
It rises horizontally to the outside of 0, and the whole can be stored thinly and compactly.

【００１４】[0014]

【発明の効果】本発明は以上のように構成されるため、
不使用時には、把手４１，４０をワンタッチで折畳み、
薄くコンパクトに収めることが出来、トラック等に積載
しても、空間をあまり占有しない。その他起こした把手
４１，４０の水平部間に物干し竿を載せると、移動可能
な物干し台としても使用可能である。Since the present invention is configured as described above,
When not in use, fold the handles 41, 40 with one touch,
It can be stored thinly and compactly, and does not occupy much space when loaded on a truck or the like. In addition, if a clothesline is placed between the raised horizontal portions of the handles 41 and 40, it can be used as a movable clothesline.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の実施例を示す側面図である。FIG. 1 is a side view showing an embodiment of the present invention.

【図２】本発明の実施例の折り畳んだ状態を示す側面図
である。FIG. 2 is a side view showing a folded state of the embodiment of the present invention.

【図３】図１の一方のコーナー部を示す部分平面図であ
る。FIG. 3 is a partial plan view showing one corner of FIG.

【図４】図１の他方のコーナー部を示す部分平面図であ
る。4 is a partial plan view showing the other corner portion of FIG. 1. FIG.

【符号の説明】[Explanation of symbols]

１０ 水平台 １１ 上板 １２ 側板 １３ 補助板 １４ 水平長孔 １５ リブ ２０ キャスター ３０ 取付ブラケット ３１ 取付ブラケット ３２ 掛止用切欠き ３５ ピン ４０，４１ 手押し用把手 ５０ 掛止棒 ６０ スプリング ７０ 板バネ 10 Horizontal base 11 Upper plate 12 Side plate 13 Auxiliary plate 14 Horizontal long hole 15 Rib 20 Casters 30 Mounting bracket 31 Mounting bracket 32 Mounting notch 35 Pins 40, 41 Hand push handle 50 Stop rod 60 Spring 70 Leaf spring

─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───

【手続補正書】[Procedure amendment]

【提出日】平成７年７月１０日[Submission date] July 10, 1995

【手続補正１】[Procedure Amendment 1]

【補正対象書類名】図面[Document name to be corrected] Drawing

【補正対象項目名】図１[Name of item to be corrected] Figure 1

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【図１】 FIG.

【手続補正２】[Procedure Amendment 2]

【補正対象書類名】図面[Document name to be corrected] Drawing

【補正対象項目名】図２[Name of item to be corrected] Figure 2

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【図２】 [Fig. 2]

【手続補正３】[Procedure 3]

【補正対象書類名】図面[Document name to be corrected] Drawing

【補正対象項目名】図３[Name of item to be corrected] Figure 3

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【図３】 [Figure 3]

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 荷物を載せる長方形状水平台（１０）の
四隅に４個のキャスター（２０）を取付けてなる荷物運
搬用手押し四輪車において、水平台と各キャスターとの
間に、水平台の前後各端部の左右各側縁に、左右方向ピ
ン（３５）を介して、前後方向から上下方向まで起伏可
能に枢着した断面Ｌ字状部を有する取付ブラケット（３
０，３１）を介在させてあり、前後各端部において左右
に相対する取付ブラケットの上面に、共通の手押し用把
手（４０，４１）を立設すると共に、取付ブラケットの
内端側に水平方向の掛止用切欠き（３２，３２）を入
れ、その掛止用切欠きに両端部を嵌込み、取付ブラケッ
トを水平に抑止する掛止棒（５０）を、前後方向に移動
可能に、水平台を左右に貫き、且つその両端部を側面か
ら突出させてなる折畳み収納可能な荷物運搬用四輪車。1. A baggage-carrying four-wheeled vehicle having four casters (20) attached to four corners of a rectangular horizontal platform (10) on which a package is to be loaded, in which a horizontal platform is provided between the horizontal platform and each caster. Mounting brackets (3) having L-shaped cross sections pivotally attached to the left and right side edges of each of the front and rear ends of the front and rear ends through the left and right direction pins (35) from the front to back and up and down directions.
0, 31) are interposed, and a common hand grip (40, 41) is erected on the upper surface of the mounting bracket facing left and right at each of the front and rear ends, and a horizontal direction is provided on the inner end side of the mounting bracket. Locking notches (32, 32) are inserted, both ends are fitted into the locking notches, and the locking rod (50) for horizontally restraining the mounting bracket is movable in the front-rear direction. A four-wheel vehicle for carrying luggage that can be folded and stored by penetrating a flat base to the left and right and projecting both ends from the sides. 【請求項２】 荷物を載せる長方形状水平台（１０）の
四隅に４個のキャスター（２０）を取付けてなる荷物運
搬用手押し四輪車において、水平台と各キャスターとの
間に、水平台の前後各端部の左右各側縁に、左右方向ピ
ン（３５）を介して、前後方向から上下方向まで起伏可
能に枢着した断面Ｌ字状部を有する取付ブラケット（３
０，３１）を介在させてあり、前後各端部において左右
に相対する取付ブラケットの上面に、共通の手押し用把
手（４０，４１）を立設すると共に、取付ブラケットの
内端側に水平方向の掛止用切欠き（３２，３２）を入
れ、その掛止用切欠きに両端部を嵌込み、取付ブラケッ
トを水平に抑止する掛止棒（５０）を、前後方向に移動
可能に、水平台を左右に貫き、且つその両端部を側面か
ら突出させ、その掛止棒と前記各ピン（３５）との間
に、掛止棒を各ピン側に引寄せるスプリング（６０）を
張架してなる折畳み収納可能な荷物運搬用四輪車。2. A baggage-carrying four-wheeled vehicle having four casters (20) mounted at four corners of a rectangular horizontal platform (10) for loading luggage, wherein a horizontal platform is provided between the horizontal platform and each caster. Mounting brackets (3) having L-shaped cross sections pivotally attached to the left and right side edges of each of the front and rear ends of the front and rear ends through the left and right direction pins (35) from the front to back and up and down directions.
0, 31) are interposed, and a common hand-pushing handle (40, 41) is erected on the upper surface of the mounting bracket that faces left and right at each of the front and rear ends, and a horizontal direction is provided on the inner end side of the mounting bracket. Locking notches (32, 32) are inserted, both ends are fitted into the locking notches, and the locking bar (50) for horizontally restraining the mounting bracket can be moved in the front-back direction by water. The flat base is penetrated to the left and right, and both ends thereof are projected from the side surface, and a spring (60) for pulling the latch bar to each pin side is stretched between the latch bar and each pin (35). A four-wheeled vehicle for carrying luggage that can be folded and stored.