JP2017007555A - Sub load-carrying platform folding type carriage - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sub load-carrying platform folding type carriage which allows a sub load-carrying platform to be used without using a front portal frame erected from a front part of a main load-carrying platform oppositely to a handle, can reduce cost, and can convey a large object and a long object protruding from the main load-carrying platform when using the sub load-carrying platform.SOLUTION: A sub load-carrying platform folding type carriage comprises: a main load-carrying platform 11 capable of placing a load on a top surface; a handle 12 erected at the rear side of the main load-carrying platform 11; front wheels 13 provided on the back side of the main load-carrying platform 11 at the front side through front wheel support parts 13a; and rear wheels 14 provided on the back side of the main load-carrying platform 11 at the rear side through rear wheel support parts 14a. A base part side of a sub load-carrying platform 15 is provided rotatably at the upper part of the handle 12, and an opening/closing mechanism part 16 for opening and closing the sub load-carrying platform 15 with respect to the handle 12 is also provided at the upper part of the handle so that the sub load-carrying platform 15 becomes substantially parallel to the main load-carrying platform 11 when opening the sub load-carrying platform and becomes substantially parallel to the handle 12 when closing the sub load-carrying platform.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a foldable sub-carrier foldable carriage in which a sub-cargo above a main carrier is configured to be foldable.

There are various types of hand-drawn carts, and some of them are provided with a detachable sub-loading platform above the main loading platform (see, for example, Patent Document 1).
In the transport cart described in Patent Document 1, a front portal frame and a rear portal frame are provided to be opposed to each other in the front-rear direction, and a main base plate is formed using the front portal frame and the rear portal frame. A sub-loading platform is disposed oppositely above the base plate so that the specification can be changed between a two-stage base plate specification and a double-sleeve specification for one base plate.
Specifically, since the front portal frame is attached to the main base plate and held in a standing posture, both the front portal frame and the rear portal frame stand upright with the sub-loader in a vertical posture. It can be made into a double-sleeved specification with a single base plate. In addition, the main carrier plate is formed by placing the sub-loader whose rear end portion is rotatably connected to the rear portal frame in a horizontal posture and bringing the front end portion of the sub-loader into contact with the front portal frame from above. And sub-loading platform with two stages.

JP 2013-23063 A

  However, in the conventional transportation cart described in the above-mentioned Patent Document 1, in order to support the sub cargo bed above the main base plate, the front portal frame is erected at the tip portion of the main base plate, and the tip of the sub cargo bed It is necessary to support the part, and there is a problem that the cost is increased by the amount of the front portal frame, the front portal frame is lost, and the installation work is troublesome.

  In addition, in the conventional transportation cart described in Patent Document 1, a front portal frame is erected on the front side of the main cargo platform, while a rear portal frame is installed on the rear side of the main cargo platform in order to use the sub cargo platform. Since it stands upright, there is also a problem that it becomes impossible to load an object larger or longer than the upper surface on the main carrier.

  Therefore, the present invention has been made paying attention to such a problem, and the sub-loading platform can be used without using the front portal frame that is erected from the front of the main loading platform so as to face the handle, and the cost can be reduced. Another object of the present invention is to provide a sub-carrier folding cart that can transport large and long objects that protrude from the main carrier while using the sub-carrier.

In order to achieve the above object, a sub-carriage folding cart according to the present invention includes a main cargo bed on which a load can be placed, a handle erected on the rear side of the main cargo bed, and a front side behind the main cargo bed. A sub-loader foldable trolley comprising a front wheel provided on a side through a front wheel support portion and a rear wheel provided on a rear side behind the main load bed via a rear wheel support portion, wherein the handle The base side of the sub-loading platform is pivotably provided on the upper side of the base plate, and when the sub-loading platform is opened, the sub-loading platform is substantially parallel to the main loading platform, and when closed, the sub-loading platform is substantially parallel to the handle. A first feature is that an opening / closing mechanism for opening and closing the handle is provided.
Further, in the sub-cargo folding cart according to the present invention, the handle includes a gripping part that is gripped by a user, and left and right pole parts that extend from both sides of the gripping part to the left and right sides of the main cargo bed. The width in the left-right direction is narrower than the distance between the left and right pole portions of the handle, and the both sides of the base portion are provided on the sub-loader support piece portions that protrude from the front sides of the left and right pole portions of the handle, respectively. The second feature is that the support is rotatably supported.
Further, the sub-cargo folding cart according to the present invention is such that, when the sub-cargo is in a use state in which the sub-cargo is open, a rear end portion of the sub-cargo protrudes rearward from the handle. A third feature is that the sub-loading platform is pivotally connected to the handle portion on the front end side of the rear end portion of the sub-loading platform.
Further, in the sub-cargo folding cart according to the present invention, the opening and closing mechanism portion is attached to a pair of left and right guide lock pins respectively provided on the left and right handle sides, and rotatably attached to the back side of the sub-cargo, A guide portion that guides the use state and the closed state of the sub cargo bed by fitting the pair of left and right guide lock pins, and a lock that locks the pin when the sub cargo bed is in the open use state According to a fourth aspect of the present invention, a pair of left and right guide lock members having a portion and a connecting rod connecting the pair of left and right guide lock members are provided.
Further, in the sub-cargo folding cart according to the present invention, each of the guide lock members is pivotable on a pivot shaft pin fixed to the guide lock member support provided on the back side of the sub-cargo. An L-shaped first angle member to be supported, an L-shaped second angle member to which an end of the connecting rod is fixed, and both end portions between the first angle member and the second angle member A long lower guide member made of a steel bar welded with a steel plate and a welded so that a stepped portion is formed in the overlapping portion and a space between the stepped portion and the second angle member becomes a lock hole as the lock portion. The guide member serving as the guide portion is formed by welding the both ends to the first angle member and the second angle member so as to face the long lower guide member at a predetermined interval. Shaft upper guide member Fine and short upper guide member, that consisted to fifth features.

In the sub-loader folding cart according to the present invention, a main loader that can be placed, a handle erected on the rear side of the main loader, and a front wheel provided on the front side on the back side of the main loader via a front wheel support part A rear wheel provided on the rear side of the back side of the main loading platform via a rear wheel support portion, and the base side of the sub loading platform is rotatably provided at the upper part of the handle and the sub loading platform is opened. Has an opening / closing mechanism that opens and closes the handle so that its sub-loading platform is almost parallel to the main loading platform and closes to the handle when it is closed. The sub cargo platform can be opened and closed without using the front portal frame.
Therefore, it is possible to open and close the sub-loading platform without using the front portal frame that is erected from the front of the main loading platform so as to face the handle, and it is possible to reduce costs and to use the main loading platform even when the sub-loading platform is in use. Large and long objects that stick out can be transported.

It is a front view of the sub loading platform use state of the sub loading platform folding cart of the embodiment concerning the present invention. It is a partial top view of the sub bed loading state of the sub bed folding type cart of the embodiment concerning the present invention. It is a partial left view of the sub load carrier use state of the sub load carrier folding type carriage of the embodiment according to the present invention. It is a fragmentary perspective view of the sub loading platform use state of the sub loading platform folding cart of the embodiment concerning the present invention. It is a partial expanded front view of the sub load carrier use state of the sub load carrier folding cart according to the embodiment of the present invention. It is the sectional view on the AA line in FIG. It is a front view of the sub load carrier closed state of the sub load carrier folding-type cart of the embodiment concerning the present invention. It is a fragmentary top view of the sub bed closed state of the sub bed folding type cart of the embodiment concerning the present invention. It is a partial expanded front view of the sub bed closed state of the sub bed folding folding cart of the embodiment concerning the present invention. It is a partial left side view of a sub load carrier closed state of a sub load carrier folding cart according to an embodiment of the present invention. (A)-(d) It is a principal part front view which shows the motion of the opening-and-closing mechanism part until it opens from the closed state and uses the sub cargo bed of the sub cargo bed folding type trolley | bogie of embodiment which concerns on this invention, respectively. It is a front view which shows an example of the state which is carrying the load using the main loading platform and sub loading platform of the sub loading platform folding cart of the embodiment concerning the present invention. (A)-(d) It is a principal part front view which shows the motion of the opening-and-closing mechanism part until it closes from the use state of the sub cargo bed of the sub cargo bed folding type trolley | bogie of embodiment which concerns on this invention, respectively.

  Hereinafter, a sub-loader folding cart 1 according to an embodiment of the present invention will be described with reference to FIGS.

<Configuration of Sub-Cargo Folding Cart 1 Overall of Embodiment>
As shown in FIGS. 1 to 10, the sub-loader folding cart 1 according to the embodiment of the present invention includes a main load bed 11 on which a load can be placed, and a handle 12 erected on the rear side of the main load bed 11. A front wheel 13 provided on the front side of the back side of the main cargo bed 11 via a front wheel support portion 13a, and a rear wheel 14 provided on the back side of the back side of the main cargo bed 11 via a rear wheel support portion 14a. At the top of the handle 12, the base side of the sub-loading platform 15 is rotatably attached. When the sub-loading platform 15 is used, the sub-loading platform 15 is substantially parallel to the main loading platform 11 and the sub-loading platform 15 is used. If not, an opening / closing mechanism 16 that opens and closes the handle 12 so as to be substantially parallel to the handle 12 is provided.

  Further, the sub-loader folding cart 1 includes a handle folding mechanism 17 between the main cargo bed 11 and the lower end of the handle 12 so that the handle 12 can be folded with respect to the main cargo bed 11. The handle folding mechanism unit 17 is well known and will not be described. In the present invention, the handle folding mechanism portion 17 is not essential, and the handle folding mechanism portion 17 may be omitted so that the handle 12 cannot be folded with respect to the main loading platform 11.

  The main loading platform 11 is configured by sticking steel wires in a lattice shape to a U-shaped (U-shaped) steel pipe frame whose rear side is open.

  The handle 12 is composed of a U-shaped (U-shaped) steel pipe frame having an open lower end side, and a grip portion 12a gripped by a user, and left and right pole portions extending from both sides of the grip portion 12a to the left and right sides of the loading platform 12b, 12b.

  The sub cargo bed 15 is a frame formed by bending and joining steel pipe pipes into a rounded rectangular shape, that is, vertical frame portions 15a and 15a on both the left and right sides, a rear horizontal frame portion 15b on the operator side, and a front horizontal A steel wire is stretched between the frame 15c in a lattice shape (mesh shape).

  Further, as shown in FIG. 3, the sub-loading platform 15 has a maximum width W1 between the outer side surfaces of the vertical frame portions 15a and 15a on both left and right sides, and an inner surface interval W2 between the left and right pole portions 12b and 12b of the handle 12. It is comprised more narrowly, and it is comprised by the magnitude | size which can rotate between the pole parts 12b and 12b of the left and right of the handle | steering-wheel 12. FIG.

  Here, on the upper front side (front wheel 13 side) of the left and right pole portions 12b, 12b of the handle 12, sub-loading platform support pieces 12c, 12c provided so as to protrude to the front side are welded. Rotating shaft pins 12c1 and 12c1 are provided on the inner sides of 12c and 12c, respectively, and the base portions of the vertical frame portions 15a and 15a on both the left and right sides of the sub cargo platform 15 are rotatably supported.

  Therefore, the sub-loading platform 15 is provided on the upper front side (front wheel 13 side) of the left and right pole portions 12b, 12b of the handle 12 by means of the sub-loading platform support pieces 12c, 12c provided to protrude to the left and right of the handle 12, respectively. An opening / closing mechanism 16 is provided in order to freely rotate between the pole portions 12b and 12b.

  The opening / closing mechanism 16 is provided on the back side of a pair of left and right guide lock pins 16a and 16a provided on the left and right pole portions 12b and 12b of the handle 12, respectively, as shown in FIGS. The guide lock member support portions 16b and 16b are fixedly attached to the rotation shaft pins 16b1 and 16b1, and the pair of left and right guide lock pins 16a and 16a are fitted to each other so that the sub cargo bed 15 is opened. Guide lock members 16c, 16c for guiding the state and the closed state, and a connecting rod 16d for connecting the guide lock members 16c, 16c on the left and right sides.

  The guide lock members 16c and 16c are L-shaped that are pivotally supported by pivot shaft pins 16b1 and 16b1 fixed to guide lock member support portions 16b and 16b provided on the back side of the sub-loader 15, respectively. The first angle member 16c1, the L-shaped second angle member 16c2 to which the end of the connecting rod 16d is fixed, and the steel bar whose both ends are welded between the first angle member 16c1 and the second angle member c2. The long lower guide member 16c3 is welded so that a stepped portion is formed in the overlapping portion and the stepped portion and the second angle member 16c2 are welded so as to be a lock hole 16c7 which is a lock portion. The side guide member 16c3 is provided so as to be opposed to the side guide member 16c3 with a predetermined interval, and both end portions are welded to the first angle member 16c1 and the second angle member 16c2 to serve as guide portions. Forming a continuous upper guide members 16c4 and short upper guide member 16c5 in consisting of steel bars to form a wellbore 16c6.

  Therefore, the guide lock member 16c of the present embodiment is formed simply by the lock hole 16c7 formed from the guide hole 16c6 by the long lower guide member 16c3, the middle upper guide member 16c4, and the short upper guide member 16c5 made of steel bar. Compared with the case where the lock hole 16c7 is formed from the guide hole 16c6 on the flat plate, the strength is improved, and even when a heavy object is loaded on the sub-loading platform 15, it can sufficiently withstand.

  In the present embodiment, as shown in FIG. 6 and the like, the outer diameters of the long lower guide member 16c3, the medium upper guide member 16c4, and the short upper guide member 16c5, which are steel bars, are the same, and the guide lock pin 16a A slightly thicker one than the outer diameter is used.

  Therefore, in the sub-loader folding cart 1 of the present embodiment, even when the guide lock pin 16a is positioned in the lock hole 16c7 of the guide lock member 16c, it can be reliably locked.

  As shown in FIGS. 3 and 4, the first angle member 16 c 1 has a corner portion located on the outer side, and the second angle member 16 c 2 has a corner portion located on the inner side. Therefore, the second angle member 16c2 can shorten the length of the connecting rod 16d as compared to the case where the corners face outward.

  Next, the opening / closing operation | movement of the sub cargo platform 15 in the sub cargo platform folding cart 1 of this embodiment is demonstrated with reference to FIGS.

<The movement of the opening / closing mechanism until the sub-loader 15 is opened from the closed state until it is used>
FIGS. 11A to 11D are front views of main parts illustrating the movement of the opening / closing mechanism 16 from the closed state to the open state of the sub load platform 15 of the sub load platform folding cart 1 according to the embodiment of the present invention. FIG.

  First, as shown in FIG. 11A, when the sub-loading platform 15 of the sub-loading platform folding cart 1 is in a closed state, the sub-loading platform 15 is substantially parallel to the handle 12, and the left and right poles of the handle 12 are The guide lock pins 16a and 16a fixed to the portions 12b and 12b are located in the guide holes 16c6 of the guide lock members 16c and 16c.

  Next, when the user uses the sub-loading platform 15, when the sub-loading platform 15 is raised in the direction of the arrow, the sub-loading platform 15 is located on the upper front side of the left and right pole portions 12b and 12b of the handle 12, as shown in FIG. As shown in FIGS. 11 (b) to 11 (c), the rotary shaft pins 12c1 and 12c1 on the inner side of the sub carrier support pieces 12c and 12c provided so as to protrude from the front wheel 13 side are rotated. Transition to a new state.

  At this time, the guide lock members 16c and 16c gradually approach the horizontal direction from the substantially vertical state shown in FIG. 11A to FIGS. 11B and 11C, and the guide lock pins 16a and 16a The guide lock members 16c and 16c approach the lock hole 16c7 while being guided by the guide holes 16c6.

  11D, when the sub bed 15 is in the horizontal direction, each guide lock member 16c, 16c has an angle of approximately 45 degrees with respect to the vertical frame portion 15a of the sub bed 15 and the pole portion 12b of the handle 12. Thus, the guide lock pin 16a enters the lock hole 16c7 through the guide hole 16c6 of the guide lock member 16c, and comes into contact with the lower end surface of the middle upper guide member 16c4 and the outer peripheral surface of the short upper guide member 16c5.

  As a result, the sub-loading platform 15 is locked in a horizontal direction with respect to the handle 12, so that goods and the like can be transported using the main loading platform 11 and the sub-loading platform 15 as shown in FIG.

  When the sub-loading platform 15 that has been expanded and used is not used, the guide lock pins 16a and 16a are engaged with the lock holes 16c7 and 16c7 of the guide lock members 16c and 16c, respectively. First, the second angle member 16c2 side of each guide lock member 16c is pulled up in the direction of the arrow, and the guide lock pin 16a is moved from the lock hole 16c7 of the guide lock member 16c to the guide hole 16c6 as shown in FIG. 13B. Move.

  Then, since the guide lock pin 16a can move through the lock hole 16c7 of the guide lock member 16c, the front horizontal frame 15c, which is the front end side of the sub-loading platform 15, is moved in the direction of the arrow as shown in FIG. When lowered, the sub-loading platform 15 rotates and closes, and the guide lock pin 16a moves while being guided in the lock hole 16c7 of the guide lock member 16c.

  Therefore, finally, the guide lock member 16c is substantially parallel to the main cargo bed 12 and the sub cargo bed 15 as shown in FIG. 13 (d), and the guide lock member 16c is also almost upright. The loading platform 15 is closed.

  Therefore, according to the sub-cargo folding cart 1 of the present embodiment, the base side of the sub-cargo 15 is rotatably provided at the upper part of the handle 12, and when the sub-cargo 15 is opened, the sub-cargo 15 is Unlike the invention described in Patent Document 1 described above, since the opening / closing mechanism 16 that opens and closes the handle 12 so as to be substantially parallel to the main carrier 11 and close to the handle 12 when closed is provided. The sub-loading platform 15 can be opened and closed without using the front portal frame that stands up from the front of the main loading platform 11.

  Therefore, according to the sub-loader foldable cart 1 of the present embodiment, the front portal frame is unnecessary, so that the cost can be reduced and the front portal frame is not lost, and the installation work of the front portal frame is performed. In addition, the sub-loading platform 15 can be easily opened and closed.

  Even if the sub-loading platform 15 is used, there is no front side gate-shaped frame between the main loading platform 11 and the sub-loading platform 15, so that objects larger or longer than the upper surface of the main loading platform 11 can be seen from the upper surface of the main loading platform 11. It can be loaded and transported.

  Further, in the sub-loader folding cart 1 according to the embodiment of the present invention, the handle 12 includes a grip portion 12a that a user grips, and left and right pole portions 12b that extend from both sides of the grip portion 12a to the left and right sides of the main load platform 11, 12b, and the maximum width W1 in the left-right direction of the sub-loading platform 15 is smaller than the interval W2 between the inner side surfaces of the left and right pole portions 12b, 12b of the handle 12, so that the sub-loading table 15 can be rotated. Thus, the sub-loading platform 15 can be put into use or stored, and the usability of the sub-loading platform 15 is improved.

  Further, in the sub-loader folding cart 1 according to the embodiment of the present invention, the sub-loader 15 is based on the sub-loader support pieces 12c and 12c provided to protrude to the front sides of the left and right pole portions 12b and 12b of the handle 12, respectively. Since both sides of the vehicle are rotatably supported, when the handle 12 is folded on the main carrier 11 by the handle folding mechanism 17, the sub carrier 15 is placed between the main carrier 11 and the handle 12. Since the sub-loading platform 15 does not protrude above the handle 12, the handle 12 and the sub-loading platform 15 are folded to store the sub-loading table folding cart 1 in a storeroom or a warehouse. However, there is no difference from the case where there is no sub-loading platform 15.

  Further, as shown in FIGS. 1, 5, 6, and the like, in the sub-cargo folding cart 1 according to the embodiment, when the sub-cargo 15 is in an open use state, the rear, which is the rear end portion of the sub-cargo 15 Since the horizontal frame portion 15b is pivotally connected to the handle 12 so as to protrude to the rear side of the handle 12, that is, the worker side, the worker can grasp the handle 12 of the handle 12 when the sub-loading platform 15 is in use. It is possible to run the sub-carriage folding cart 1 by grasping the rear lateral frame portion 15b of the sub-cargo 15 as well as 12a, which is very convenient.

  In the sub-loader folding cart 1 according to the embodiment of the present invention, the guide lock members 16c are respectively connected to the rotating shaft pins 16b1 fixed to the guide lock member support portions 16b provided on the back side of the sub-loader 15. An L-shaped first angle member 16c1 pivotally supported, an L-shaped second angle member 16c2 to which an end of the connecting rod 16d is fixed, a first angle member 16c1 and a second angle member A long lower guide member 16d4 made of a steel bar welded at both ends between 16c2 and a lock hole in which a step portion is formed in the overlapping portion and a space between the step portion and the second angle member 16c2 is a lock portion While being welded so as to be 16c7, it is provided so as to face the long lower guide member 16c3 with a predetermined interval, and both end portions thereof are connected to the first angle member 16c1 and the second angle portion. Since the intermediate upper guide member 16c4 and the short upper guide member 16c5 are made of steel bars which are welded to the 16c2 to form the guide hole 16c3 as a guide portion, the lock hole 16c7 is simply formed from the guide hole 16c6 on the flat plate. However, the strength is improved, and even when a heavy object is loaded on the sub-loading platform 15, it can sufficiently withstand.

  In the description of the above embodiment, the guide portion constituting the guide lock member 16c has been described by the guide hole 16c6 and the lock portion has been described by the lock hole 16c7. However, the present invention is not limited to this, and the guide groove is not a hole but a guide groove. Of course, it may be constituted by a lock groove.

DESCRIPTION OF SYMBOLS 1 Sub bed folding type trolley 11 Main bed 12 Handle 12b, 12b Pole part 12c, 12c Sub bed support piece part 12c1, 12c1 Rotating shaft pin 13 Front wheel 13a Front wheel support part 14 Rear wheel 14a Rear wheel support part 15 Sub bed 15a Vertical Frame portion 15b Rear lateral frame portion 15c Front lateral frame 16 Opening / closing mechanism portion 16a Guide lock pin 16b Guide lock member support portion 16b1 Rotating shaft pin 16c Guide lock member 16c1 First angle member 16c2 Second angle member 16c3 Long lower guide Member 16c4 Medium upper guide member 16c5 Short upper guide member 16c6 Guide hole (guide portion)
16c7 Lock hole (lock part)
16d connecting rod 17 handle folding mechanism

Claims (5)

A main loading platform capable of placing a load on the upper surface; a handle erected on the rear side of the main loading platform; a front wheel provided on the front side of the back side of the main loading platform via a front wheel support; A sub-loader folding cart equipped with a rear wheel provided on the rear side of the rear side via a rear wheel support,
At the top of the handle, the base side of the sub-loading platform is rotatably provided. When the sub-loading platform is opened, the sub-loading platform is substantially parallel to the main loading platform, and when closed, the sub-loading platform is approximately parallel to the handle. The sub-loader folding cart is provided with an opening / closing mechanism for opening and closing the handle. The sub-loader folding cart according to claim 1,
The handle is
A gripping portion gripped by a user, and left and right pole portions extending from both sides of the gripping portion to the left and right sides of the main cargo bed,
The sub-loading platform is
The maximum width in the left-right direction is narrower than the distance between the left and right pole parts of the handle, and the both sides of the base are rotated around the sub-loader support piece provided to project to the front side of the left and right pole parts of the handle. A sub-carriage folding cart that is supported movably. In the sub-carriage folding cart according to claim 1 or 2,
The sub-loading platform is
When the sub-loading platform is in an open use state, the sub-loading platform is rotated to the handle portion at the front end side of the sub-loading platform so that the rear end portion of the sub-loading platform protrudes rearward of the handle. A sub-carriage foldable cart characterized by being movably connected. In the sub-loader foldable cart according to any one of claims 1 to 3,
The opening / closing mechanism is
A pair of left and right guide lock pins respectively provided on the left and right handle sides;
A guide portion that is pivotally attached to the back side of the sub-loading platform, and that guides the use state and the closed state of the sub-loading platform by fitting the pair of left and right guide lock pins, and the sub-loading platform is opened. A pair of left and right guide lock members having a lock portion that locks the pin when in use.
A connecting rod that connects the pair of left and right guide lock members;
A sub-carriage foldable cart characterized by comprising: In the sub bed foldable cart according to claim 4,
The guide lock members are respectively
An L-shaped first angle member pivotally supported by a pivot shaft pin fixed to the guide lock member support provided on the back side of the sub-loading platform;
An L-shaped second angle member to which an end of the connecting rod is fixed;
A long lower guide member made of a steel bar welded at both ends between the first angle member and the second angle member;
A step is formed in the overlapping portion, and welding is performed between the step and the second angle member so as to form a lock hole that is the lock portion, while facing the long lower guide member with a predetermined interval. An intermediate upper guide member and a short upper guide member that form guide holes as the guide portions by welding both ends to the first angle member and the second angle member;
Sub-folder folding cart characterized by comprising.

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