JP2003081094A - Shopping cart - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shopping cart which can be folded in a compact manner so as to be stored in a bag and carried, and held according to the shape of various kinds of cargoes, a storage vessel or the like, and carry these cargoes or the storage vessel. SOLUTION: In a body 4 of the shopping cart 1, an upper end side stay 5, a lower side stay 6 having a wheel 3 on a lower end part, and an intermediate side stay 7 located therebetween are connected to each other in a folding manner via a hinge member 8. A movable member 10 is provided on the upper end side, the lower end side and the intermediate side stays 5, 6 and 7, respectively. The movable member 10 allows the stays 5, 6 and 7 to slide, and stops them at the predetermined position. A locking hole is formed in a position at which the stays 5, 6 and 7 are aligned with each other, and a locking end part 15 of a cargo holding auxiliary tool 16 is locked to an arbitrary position. A plurality of kinds of the cargo holding auxiliary tool 16 of different inner dimension are prepared.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a shopping cart used for carrying various relatively small packages.

[0002]

2. Description of the Related Art Conventionally, when shopping for foods and the like, it has been widely practiced to bring a so-called shopping cart and carry the purchased item (luggage) using the shopping cart. Such a shopping cart is disclosed, for example, in Design Registration No. 759215, No. 61.
As described in Japanese Patent No. 0449, etc., a main body having a handle portion at the upper end portion and a pair of wheels at the lower end portion, and a luggage mounting portion formed at the lower portion of the main body are provided. .

In order to carry various items purchased for shopping using the shopping cart as described above, the various items are placed on the luggage placing section and further fastened with a rubber strap or the like. Then, by gripping the handle portion with a hand, the shopping cart is moved by a pair of wheels to be transported. As a result, the product can be transported with a comparatively light force.

[0004]

However, in the shopping cart as described above, it is a reality that it is generally used well by the aged and not so often by the youth. When the applicant investigated the reason for this, it was found that young people were strongly aware that carrying the above shopping cart was not smart. In addition, young people and middle-aged people (for example, co-working couples who work full-time) often go home after work, and use the above shopping cart in such cases. I also found that I had a strong desire to do it.

In order for the above-mentioned young people to use the shopping cart as described above without resistance, it is necessary to fold the shopping cart compactly. That is, if it is possible to fold the shopping cart compactly, it can be stored in a bag or the like, and it is considered that the younger generation can use it without any resistance because it is not known that the shopping cart is carried from outside. However, a shopping cart that can be folded in such a compact size that it can be housed in a bag has not heretofore been known.

[0006] The above-mentioned design registration No. 759215 gazette,
All of the shopping carts described in JP-A-610449 are foldable, but even if they are folded, the length is about 60 cm, which is not a size that can be stored in a bag. 45 cm in length and 3 in width
A shopping cart that can be folded to 0 cm and a thickness of about 20 cm is known, but it is still too large to be stored in a bag.

A conventionally known shopping cart is one in which a luggage is simply placed on a luggage placement section and fastened with a rubber strap or the like for transportation. Therefore, for example, even if a housewife tries to carry various groceries purchased in a supermarket or the like with a shopping cart, it is difficult to place the groceries stored in a bag made of vinyl or the like on the luggage mounting section. Is. Furthermore, for example, as one of the exhibition methods in a flower shop, it is possible to put a bouquet in various containers such as buckets, place it in the cart as described above, display it at the store, and also deliver it as it is. However, it was difficult with conventional carts. Therefore, luggage stored in bags made of vinyl or the like, luggage stored in cardboard boxes, even luggage stored in various containers such as buckets, etc. can be detained according to the situation,
The emergence of a shopping cart that could be carried was awaited.

The shopping cart according to the present invention has been conceived in view of the above-mentioned circumstances, and its first purpose is to be compactly foldable so that it can be accommodated in a bag and carried. To provide a shopping cart. A second object is to provide a shopping cart which can be freely placed and carried according to various shapes of luggage and various storage containers.

[0009]

In order to achieve the first object, in the invention described in claim 1, a main body having a handle portion at the upper end and at least a pair of wheels at the lower end. And a baggage storage part provided between the handle part and the wheel in the main body and capable of holding a baggage to be carried freely. A shopping cart, wherein the main body is provided at an upper end side pillar having the handle portion at an upper end portion, a lower side pillar having the wheel at the lower end portion, and a portion between the upper pillar and the lower pillar. At least one intermediate side strut is provided, and these upper side, middle side, and lower side columns are connected to each other by connecting joint portions of mutually adjacent columns via a joint member, The luggage storage section is above , A movable member provided on each of the columns on the lower side and the intermediate portion, slidable on each of the columns, and immovable at a predetermined position of the column, and a lock provided on a part of the movable member It is characterized in that it is provided with a piece.

Further, in the invention described in claim 2, the joint member is a hinge member, and the upper side,
Lower side, in a state where each of the columns of the intermediate portion side is straightened, by moving the movable member to a position that covers the hinge member,
The feature is that each of these columns is maintained in a straightened state. As the joint member, a pivot shaft may be adopted as described in claim 5.

Further, in the invention described in claim 3, in a predetermined portion of each of the upper, lower, and intermediate side columns, the elastic force of the elastic member projects from the respective columns in a free state, A locking projection is provided which is pressed into the column to resist the elastic force of the elastic member, and the locking projection can be fitted into the inner surface of the movable member. A lock receiving portion is formed, and the movable member is characterized in that it is immovable at the position when the lock protruding portion is fitted and engaged with the lock receiving portion.

Further, in the invention as set forth in claim 4, each of the upper, lower and intermediate part columns is composed of a pair of linear members provided in parallel with each other, and the movable member is movable. The member is formed by a pair of arm portions respectively fitted to the pair of linear members and in a state of being bridged between the pair of arm portions, and a connecting piece provided with the locking piece at an intermediate portion thereof. It is characterized by being equipped with and.

The invention according to claim 6 is characterized in that a baggage storage assisting tool is provided at a portion of the main body where the baggage storage portion is provided.

As the luggage storage aid, as described in claim 7, the linear member is bent to be formed in an annular shape, and locking ends are provided at both ends thereof. It is possible to employ a structure in which this locking end portion can be locked in a locking hole formed at a position where the pair of linear members forming each of the columns are aligned with each other. Further, claim 8
As described above, there are a plurality of types of baggage detention aids having different inner dimensions, and a configuration in which a plurality of types of baggage detention aids having different inner dimensions can be appropriately combined and used. Can be adopted.

Further, as the luggage storage aid, as described in claim 9, it is constituted by a pair of linear members inclined so as to wrap both side portions of the luggage stored in the luggage storage section. And, the baggage detention aid has its lower end fixed to the intermediate portion of at least a pair of intermediate columns or a pair of lower columns, respectively,
It is also possible to adopt a structure in which the upper end is locked to the upper column of the column to which the lower ends are fixed.

Further, as described in claim 10, it is possible to adopt a configuration in which the luggage storing portion includes a luggage mounting portion provided on the lower support column so as to be foldable. Furthermore,
As described in claim 11, it is also possible to adopt a configuration in which a reinforcing member is detachably provided between the luggage mounting portion and the pair of lower columns.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to the drawings for each example of the embodiments of the present invention. 1 to 3 are perspective views showing the outline of a shopping cart 1 according to the first embodiment of the present invention. The shopping cart 1 according to this embodiment has a handle portion 2 at the upper end.
And a main body 4 having a pair of wheels 3 at the lower ends thereof. The main body 4 includes an upper end column 5 having the handle 2 at the upper end, a lower column 6 having the wheels 3 at the lower end, and a portion between the upper column 5 and the lower column 6. The provided intermediate side columns 7 are foldably connected at their connecting portions via hinge members 8 which are joint members. Each of the upper, lower, and intermediate part columns 5, 6, and 7 is composed of a pair of linear members 9 provided in parallel with each other. As the linear member 9,
Adopt metal materials such as aluminum alloys and synthetic resins such as plastics.

The hinge member 8 connects the ends of the columns 5, 7 and 7, 6 adjacent to each other among the columns 5, 6, 7 on the upper side, the lower side and the middle side. is there. In this case, with the columns 5, 6 and 7 straightened,
As shown in (E), by moving a movable member 10 described later to a position where the hinge member 8 is covered, the columns 5, 6, 7 can be maintained in a stretched state.

Further, at predetermined portions of the upper, lower and intermediate columns 5, 6, 7 in a free state, the elastic force of an elastic member (not shown) causes the columns 5, 6, 7 to be formed. A locking projection 11 is provided which protrudes from the column and resists the elastic force of the elastic member and is retracted into the columns 5, 6, and 7 when a pressing force is applied. On the other hand, on the inner surface of the movable member 10, a lock receiving portion (not shown) into which the locking projection 11 can be freely inserted is formed, and the movable member 10 is mounted on the lock receiving portion. The stop projection 11 is fitted and engaged so that it does not move at that position.

The movable member 10 is, as shown in FIG.
A pair of arm portions 1 fitted into the pair of linear members 9 respectively.
2 and a connecting piece 13 formed in a state of being bridged between the pair of arm portions 12. This connecting piece 1
A substantially U-shaped locking piece 14 is provided at an intermediate portion of 3.

Further, at a position where the pair of linear members 9 constituting each of the columns 5, 6 and 7 are aligned with each other, a locking hole 19 is provided.
Are formed. Then, as shown in FIG. 7, a linear member made of metal, synthetic resin, or the like is bent and formed in the engaging holes that are aligned with each other so as to have an annular shape.
The locking end portions 15 of a baggage storage assisting tool 16 which is provided with locking end portions 15 for locking the locking holes at both ends are freely lockable. The baggage storage aid 16 is shown in FIGS.
As shown in FIG. 2, two types of large and small having different inner dimensions are prepared, and these two types of baggage storage aids 16 can be appropriately combined and used. The reference numeral 14a is
It is a second locking piece attached to a locking hole at a position where the pair of linear members 9 are aligned with each other. The function of the second locking piece 14a is similar to that of the locking piece 14.

The luggage mount 17 is foldably provided on the lower column 6 as in the conventional structure described above.

The operation when using the shopping cart 1 according to the present embodiment configured as described above is as follows. First, at the stage before shopping such as when going to work, the shopping cart 1 is folded in the state shown in FIGS. 4 and 6A. That is, the movable member 10 is displaced from the position where it covers the hinge member 8, and the upper and middle columns 5 and 7 are folded so as to overlap with the lower column 6. In this state, the length dimension is 30 cm, the width dimension is 23 cm, and the thickness dimension is 15 cm.
Since it is extremely compact with a size of about cm, it is possible to carry it by storing it in a dedicated bag or the like.

In order to assemble the folded state as described above into a usable state for carrying luggage, first, the middle side support 7 and the upper support 5 are raised, and the upper support, the middle support, and the lower support. 5, 6, and 7 are straightened, and the movable member 10 is further moved so that the movable member 10 is retained at a position where the movable member 10 covers the hinge member 8. At this time, the movable member 10 presses the locking projection 11 during the movement to push the locking projection 11 into the support column 5.
Since the movable member 10 is pulled into (6, 7), the movable member 10 is smoothly moved. When the movable member 10 reaches the position of covering the hinge member 8, the locking projection 11 and the locking receiving portion of the movable member 10 are aligned with each other, so that the pressing of the locking projection 11 is released.
It projects from the column 5 (6, 7) and fits into the lock receiving portion. As a result, the locking projection 11 and the locking receiving portion are locked and the movable member 10 does not move. That is, the movable member 10 becomes immobile at the position, and the upper, middle, and lower columns 5, 6, 7 are maintained in a stretched state.

Next, the baggage loading section 17 is rotated to be in a usable state (FIGS. 1 (A) (B) and 2 (A)).
(F), FIG. 3 (A) to (E), and FIG. 6 (C)). In the present embodiment, as shown in FIGS. 1, 6 and 7, an engaging member 18 is provided, and the above-mentioned luggage placing portion 17 is folded (FIG. 1 (C), FIG. 6 (B)). ), The state in which the luggage placement section 17 is held can be maintained by the engagement member 18 even in the pulled out state (FIGS. 1A and 1B). The engaging member 18 is a member similar to the movable member 10 with the protruding arm 19 formed, and when the luggage mounting portion 17 is folded, the engaging member 18 is slid upward to form a side surface. L-shaped luggage storage unit 17
Fit and hold the tip of the. In the state where the luggage placement portion 17 is pulled out, the engaging member 18 is slid downward,
The base end portion of the side L-shaped luggage placement portion 17 is fitted and held.

FIG. 2 shows a state in which the apparatus is assembled in a usable state for carrying a load as described above. In FIGS. 2A and 2B, FIGS. 2A and 2F show the case where only the baggage placement section 17 is used and the same usage as in the conventional case is performed. (B) to (E) in the same figure show usage states unique to this embodiment. Figure 2
In the case of the example shown in FIG. 3 (B), as shown in FIG. 3 (B), the luggage stored in a bag made of vinyl or the like is retained and transported while being locked by the locking pieces 14. In the case of the example shown in FIG.
As shown in FIG. 3 (C), luggage stored in a bag made of vinyl or the like and a bag, respectively, are retained and transported while being locked by the locking pieces 14. In the case of the example shown in FIG.
As shown in (D), the luggage stored in the two paper bags is retained and transported while being locked by the respective locking pieces 14. Figure 2
In the case of the example shown in FIG. 3 (E), as shown in FIG. 3 (E), the luggage stored in a container such as a synthetic resin bucket is detained and transported while being engaged with the luggage detention aid 16.

When the luggage has been transported in each of the various states as described above, it is folded again as shown in FIG. 4 and stored in the bag. Alternatively, it is stored in a predetermined place in the room (for example, one corner of the kitchen).

The shopping cart 1 according to this embodiment is
Since it is constructed and used as described above, it can be folded very compactly, and thus can be stored and carried in a bag. For this reason, it becomes possible to carry around even when commuting, and the shopping cart can be used even when shopping is done after work. Also,
It is practical because it can be freely placed and transported according to various shapes of luggage and storage containers.

Next, FIGS. 8 to 11 show a shopping cart 1a according to the second embodiment of the present invention. The shopping cart 1a according to the present embodiment is substantially the same as the above-described first embodiment except that the baggage storage aid 20 is different. Therefore, detailed description of the same parts as the structure of the first embodiment will be omitted or simplified, and the characteristic parts of the present embodiment will be described in detail below.

The main body 4 of the shopping cart 1a according to the present embodiment has an upper end support 5 having the handle 2 at the upper end, a lower support 6 having the wheel 3 at the lower end, and the upper support. 5 and the lower support column 6 and the intermediate support column 7 provided in a portion between the lower support column 6 and the intermediate support column 7 are foldably connected to each other via a pivot shaft 21 which is a joint member. The pivot shaft 21 includes the columns 5 on the upper side, the lower side, and the intermediate portion side,
Ends of the columns 5, 7 and 7, 6 adjacent to each other among the columns 6, 7 are connected to each other. 8 and 9 and 10 are shown by locking the upper end of a baggage storage aid 20 to be described later with the upper column 5 or the intermediate column 6 in a state where the columns 5, 6 and 7 are straightened. As described above, each of the columns 5, 6, and 7 can be maintained in a stretched state.

Further, a locking hole is formed at a position where the pair of linear members 9 constituting each of the columns 5, 6 and 7 are aligned with each other. And, in these locking holes that match each other,
By bending and forming a linear member made of metal or synthetic resin, the upper end portion of the baggage retention aid 20 formed into a substantially three-character shape as shown in FIGS. 8, 9 and 10 can be locked. . Further, the lower end portion of the baggage storage aid 20 is fixed to each of the columns 6 and 7 by welding to the columns 6 and 7. In addition, the baggage storage aid 20 is inclined so as to wrap both side portions of the baggage stored in the baggage storage section. That is, as shown in FIGS. 8 (A) and 8 (B), the pair of linear members forming the luggage holding aid 20 are provided so as to open outward, respectively, and thereby the locking piece 14 forming the luggage holding portion 14 is provided. It is arranged to wrap both side parts of the luggage placed on the locking rod 23. The lower end may not be fixed as in this example, but may be locked in a locking hole (not shown) formed in the columns 5 and 6, for example.

The operation when using the shopping cart 1a according to the present embodiment configured as described above is as follows. First, at the stage before shopping such as when going to work, the shopping cart 1a is folded in the state shown in FIG. That is, the upper ends of the baggage retaining aid 20 are removed from the locking holes, and the pivot shafts 21
As shown in FIG.
As shown in FIG. 1, the upper and middle columns 5 and 7 are folded so as to overlap the lower column 6. In this state, the length dimension is 32 cm and the width dimension is 23 c as a whole.
Since it is extremely compact with a thickness of about 12 cm and a thickness of about 12 cm, it can be carried in a special bag or the like.

In order to assemble the folded state as described above into a usable state for carrying a load, first, the middle side support 7 and the upper support 5 are raised, and the upper support, the middle support, and the lower support are supported. Straighten 5, 6, and 7, and further engage the upper ends of the baggage placement aids 20 with the locking holes. As a result, the upper, middle, and lower columns 5, 6, 7 are maintained in a stretched state.

Then, the luggage mounting portion 17 is rotated to make it usable. In the present embodiment, the reinforcing member 22 is provided between the luggage placement part 17 and the pair of lower columns 7.
Is detachably installed. That is, both ends of the reinforcing member 22 formed by bending both ends of the engaging holes (not shown) formed in the luggage placing portion 17 and the pair of lower columns 7 at substantially right angles, respectively. Are engaged with each other to reinforce the luggage mounting portion 17 and the support column 7.

As described above, the assembled state in which the baggage can be used for carrying is as shown in FIGS. 8, 9 and 10. In the case of the present embodiment, as described above, the pair of linear members forming the luggage storage assisting device 20 are provided so as to open to the outside, respectively, so that both side portions of the luggage stored in the luggage storage section are wrapped. I am trying.
Therefore, the luggage can be detained stably.
In the case of the present embodiment, as shown in FIG. 8, the upper end of the lower baggage retention aid 20 is supported from the back side of the column 7 in the locking hole 19 of the column 7, and the upper baggage retention aid is supported. The upper end of 20 is supported in the locking hole 19 of the column 7 from the front side of the column 6. This is to ensure that the columns 5, 6 and 7 are maintained in the extended state, but is not particularly limited to this.

When the luggage has been transported in each of the various states as described above, it is folded again as shown in FIG. 11 and stored in the bag. Alternatively, it is stored in a predetermined place in the room (for example, one corner of the kitchen).

The shopping cart 1a according to the present embodiment can be folded very compactly,
Therefore, it can be carried in a bag. For this reason, it becomes possible to carry around even when commuting, and the shopping cart can be used even when shopping is done after work. In addition, it is practical because it can be freely placed and transported according to various shapes of luggage and storage containers.

[0038]

The shopping cart according to the present invention is
Since it is configured as described above, it can be folded compactly and can be carried in a bag. For this reason, since it can be carried even when commuting, the shopping cart can be used even when shopping after work.

Further, in the invention described in claims 6 to 11, it can be freely placed and transported according to various shapes of luggage and storage containers, so that it has a great practical effect. .

[Brief description of drawings]

FIG. 1 is a diagram for explaining a shopping cart according to a first embodiment of the present invention, in which (A) and (B) show a state before attaching a detention aid, and (C) shows It shows a state in which the luggage placement section is folded.

FIG. 2 is a perspective view for explaining various usage examples.

FIG. 3 is a perspective view for explaining an actual usage state.

FIG. 4 is a perspective view showing a state where the shopping cart is completely folded.

5A and 5B are views for explaining the straightening and folding of the column by the hinge member, FIG. 5A is a partial side view in a straightened state, and FIG. 5B is a partial side view in the same folded state;
(C) is a partial side view of a state in which the movable member is moved after being stretched, (D) is a partial front view thereof, and (E) is a partial front view for explaining the movable member.

6A and 6B are side views of the column, where FIG. 6A is a side view showing the column in a folded state, FIG. 6B is a side view showing an example in which the column is stretched to a usable state, and FIG. It is a side view which shows the example which pulled out the luggage mounting part.

FIG. 7 is a plan view for explaining the baggage retaining aid, (A) showing a state after attachment and (B) showing a state before attachment.

FIG. 8 shows a shopping cart according to a second embodiment of the present invention, (A) showing an actual usage state, and (B) a perspective view for explaining an offensive.

FIG. 9 also shows a shopping cart,
(A) is a front view and (B) is a right side view.

FIG. 10 also shows a shopping cart,
(A) is a rear view and (B) is a left side view.

FIG. 11 is a view showing a state where the shopping cart is completely folded, in which (A) is a side view, (B) is a bottom view, and (C) is a front view.

[Explanation of symbols]

1 shopping cart 2 handle Three wheels 4 body 5 Upper column 6 Lower support 7 Middle side support 8 hinge members 9 linear members 10 movable members 11 Locking protrusion 12 arms 13 Connection piece 14 Locking piece 15 Locking end 16 Luggage storage aid 17 luggage compartment 20 Luggage storage aids 21 Axis 22 Reinforcement member 23 Locking rod

Claims (11)

[Claims] 1. A main body having a handle portion at an upper end portion thereof and at least a pair of wheels at a lower end portion thereof, and a portion of the main body provided between the handle portion and the wheels for carrying a load to be transported. A shopping cart that includes a baggage storage part that can be freely stored, and transports various types of baggage by storing the baggage in the baggage storage part. A lower strut provided with the above wheel on its part, and at least one intermediate side strut provided between the upper strut and the lower strut, and these upper, middle, and lower strut The connecting portions of the columns adjacent to each other are foldably connected through a joint member, and the luggage storage section is provided on each of the columns on the upper side, the lower side, and the intermediate section side. Slidable and above-mentioned pillar Cart, characterized in that those having a movable member made of a non-moving at a predetermined position, and a locking piece provided in a part of the movable member. 2. The joint member is a hinge member,
In the state where each of the upper, lower and middle part columns is stretched,
The shopping cart according to claim 1, wherein each of the columns is maintained in a straightened state by moving the movable member to a position that covers the hinge member. 3. Elasticity of the elastic member is given to a predetermined portion of each of the upper, lower, and intermediate parts by protruding from the respective pillar by elastic force of the elastic member in a free state and applying a pressing force. A locking projection is provided that is retracted into the support column against a force, and the inner surface of the movable member is
A lock receiving portion is formed into which the lock protrusion can be fitted,
3. The movable member according to claim 1, wherein the movable member is immovable at the position when the locking protrusion is fitted into and engaged with the locking receiving portion. Shopping cart. 4. Each of the upper, lower, and middle portion columns is
The movable member is composed of a pair of linear members provided in parallel with each other, and the movable member is hung between the pair of arm members respectively fitted to the pair of linear members and between the pair of arm members. The shopping cart according to any one of claims 1 to 3, further comprising a connecting piece that is formed in a closed state and that has the locking piece provided at an intermediate portion thereof. 5. The shopping cart according to claim 1, wherein the joint member is a pivot. 6. The luggage storage assisting device is provided at a portion of the main body where the luggage storage portion is provided.
A shopping cart according to claim 5. 7. The baggage retaining aid is formed by bending a linear member into an annular shape, and is provided with locking ends at both ends thereof. 7. The shopping cart according to claim 6, wherein the pair of linear members forming each of the columns can be locked in locking holes formed at positions aligned with each other. 8. The baggage retention aid includes a plurality of types having different inner dimensions, and a plurality of types of baggage retention aids having different inner dimensions can be appropriately combined and used. The shopping cart according to claim 7. 9. The baggage retaining aid is composed of a pair of linear members inclined in a direction to wrap both side portions of the baggage retained in the baggage retaining section, and the baggage retaining aid. The lower end of each of the at least one pair of middle struts or the pair of lower struts is fixed to the middle portion thereof, and the upper ends of the struts to which the lower ends are fixed are locked to the upper struts. The shopping cart according to claim 6, characterized in that: 10. The shopping according to claim 1, wherein the baggage storage section includes a baggage storage section that is foldably provided on the lower column. cart. 11. The shopping cart according to claim 10, wherein a reinforcing member is detachably provided between the luggage loading section and the pair of lower columns.