JPH08244616A - Carry cart - Google Patents

Abstract

PURPOSE: To save any trouble at the use/unuse time by forming so that wheels stored in the wheel storage of a table can be projected from the lower surface of the table by a wheel rise and fall member interlocking with the start of a handle following to the rise of the handle upward the table. CONSTITUTION: A carry cart is formed by the projection of a wheel rise and fall member 28 toward the opposite side of handle shaft parts 24a, 24b so that wheels 14 can be risen and fallen by interlocking with the rise and fall operation of a handle 16. The wheel rise and fall member 28 is formed inside right/left wheels 14 formed in the front side of a table 12 and is risen and fallen by the interlocking with the rise and fall operation of the handle 16 while making a pivot shaft 20 to a pivot point. The wheel rise and fail member 28 is stored downside the table 12 positioned more upside than the upper part of the wheel 14 when the handle 16 is lain and holds the wheel 14 in a risen state so that the axle 30 of the wheel 14 may be crossed orthogonally with an advance direction and the wheel 14 cant be rotated in parallel with the advance direction, when the handle 16 is erected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carry cart, and in particular, for example, by mounting and fixing an object to be transported on a table,
The present invention relates to a carry cart with wheels on which a person manually pulls or pushes a handle.

[0002]

2. Description of the Related Art Conventional carry carts, in particular, wheeled carry carts for carrying luggage, etc., by placing luggage on a table and pulling a handle fixed to the table by hand. Has a handle protruding upward from the table, and a pair of left and right wheels are fixed to the bottom of the table.When finished using, shorten the handle to store it and shorten it. It had a structure in which the stored handle was further folded and brought into close contact with the table, and this structure provided portability. In addition, in some of the conventional carry carts, as shown in FIG. 10, in addition to the handle 1, the wheels 3 fixed to the lower portion of the table 2 can be rotated by 90 degrees and folded. There is a structure, and in the case of such a foldable type, the folded left and right wheels 3, 3 are set to 1 in order to put them in use.
Rotate each by 90 degrees to wake it up, and then put the folded handle 1 into the use state to make the table 1
There is a foldable type in which both the wheel 3 and the handle 1 are fixed in a predetermined position of use by erected them upward.

[0003]

There are very few conventional carry carts in which wheels are stored,
Most of them are of the type that the wheels are not stored, but in the case of such a type that the wheels are not stored, there is a lack of compactness when not in use, and there is the inconvenience that they cannot be used immediately when used. ing. In particular, in the case of the type that does not store the wheels, when not in use, for example, since the wheels are fixed to the bottom of the table while being dirty, it is practically impossible to put it on the shelf of an airplane or railroad etc. . In addition, it is extremely inconvenient to store a dirty carry cart in a bag because the bag is dirty. Further, the carry cart that allows the wheels to be folded is, like the carry cart shown in FIG. 10, put the wheels 3 and 3 on a part of the table 1 when not in use, or conversely, In order to put the wheels 3 and 3 into use, first raise the left and right wheels 3 and 3 by hand, respectively, and then operate the handle 1 to put them in use so that the wheels 3 and 3 do not return to their original stored state. Not used (stored), such as having to be fixed
It takes time and effort both when using and when using.

Therefore, the main object of the present invention is to move the handle and the wheel from the stored state to the used state so that the wheel can be activated by simply activating the handle, and only the wheel can be activated. It is an object of the present invention to provide a carry cart that is compact and does not require an operation of changing the stored state to the used state.

[0005]

According to a first aspect of the present invention, there is provided a carry cart having a plate-shaped table having a portion on which an object to be transported is mounted, and a fixed shaft fixed to the table so as to rotate about 90 degrees by a fixed shaft. At the same time, at least a part of the table protrudes downward and rotates parallel to the traveling direction, and is housed in a wheel housing formed on the table so as to be housed within the range of the thickness of the table. At least a pair of left and right wheels, which are fixed as described above, are rotatably fixed to the table by a pivot, and are projected upward from the table in an oblique or orthogonal manner to a portion on which the transported object is placed, In addition, the wheel is rotatably fixed between the handle and the wheel fixed to at least a pair of left and right tables, which is fixed so as to be housed substantially parallel to the surface of the table on which the transported object is placed. The axle so as to substantially 90 degrees rotation, coupled with the handle, and wheels relief member,
The wheel is a carry cart that is stored in the wheel storage portion of the table below the wheel undulation member, and the wheel undulation is performed in conjunction with the activation of the handle as the handle is raised toward the upper side of the table about the pivot axis. It is a carry cart in which the wheels are rotated by about 90 degrees about the fixed shaft toward the lower side of the table by the member so that the lower portion thereof protrudes from the lower surface of the table.

In the carry cart according to claim 2, the wheels are rotatably fixed to the wheel supports by the axles, and the wheel supports are
It is rotatably fixed to the lower surface of the table by a fixed shaft parallel to the traveling direction, the wheel starting member is rotatably fixed to the table by a pivot above the fixed shaft that fixes the wheel support, and the handle is The wheel actuating member is fixed to the wheel actuating member at the lower portion, and the wheel actuating member, which is interlocked with the actuating of the handle, slides on the inner surface of the wheel support as the handle is raised about the axis toward the upper side of the table. 2. The carry cart according to claim 1, wherein the carry cart is formed so as to be raised by the rotation of the support body and a lower portion thereof projects downward from the lower surface of the table.

In the carry cart according to a third aspect of the present invention, the wheels are rotatably fixed to the wheel support member which is rotatably fixed to the lower surface of the table by an axle, and are normally attached to the wheel storage portion of the table. 3. The carry cart according to claim 1, wherein the carry cart is pressed by a biasing pressing member and stored in the wheel storage portion.

In the carry cart according to the present invention, the handle storage recess is formed on the surface of the table on which the transported object is placed so that the handle is stored within the range of the thickness of the table when the handle is laid down. Is fixed to the wheel hoisting member at the lower part of the wheel, the wheel hoisting member is rotatably fixed to the table by a pivot, and is continuously connected to the handle accommodating recess so as to be housed within the range of the thickness of the table. The carry cart according to any one of claims 1 to 3, wherein the carry cart is housed in an up-and-down member housing hole formed up to.

[0009]

According to the first aspect of the invention, the wheels accommodated in the wheel accommodating portion of the table are directed downward in the table by the wheel hoisting member that interlocks with the activation of the handle as the handle is raised toward the upper side of the table. The lower part of the table protrudes from the lower surface of the table.When the handle is raised toward the upper side of the table during use, the wheel undulation member operates to move the wheel downwards toward the lower surface of the table. The lower part of the wheel further protrudes, the wheel is in a rotating state, and the wheel is rotated by pulling the handle by hand.

According to the second aspect of the present invention, in the wheel rotatably fixed to the lower surface of the table so that the lower portion of the wheel projects downward from the lower surface of the table, the handle is located above the table. The wheel actuating member slides on the inner surface of the wheel supporting body by raising the wheel supporting body around the pivot, and the wheel activating member is raised by the rotation of the wheel supporting body and operates in conjunction with the handle.

According to the third aspect of the present invention, the wheel supporting member rotatably fixed to the lower surface of the table is normally pressed by the pressing member that urges the wheel accommodating portion of the table.
The wheel support is stored in the wheel storage unit together with the wheels.

According to the invention of claim 4, when the handle stored in the handle storing recess of the table is activated, the wheel hoisting member housed in the hoisting member housing hole of the table is rotated around the pivot toward the wheel. The wheels housed in the wheel housing recesses are activated.

[0013]

According to the first aspect of the present invention, the wheels accommodated in the wheel accommodating portion of the table are moved by the wheel undulating member that interlocks with the activation of the handle as the handle is raised above the table. The lower part of the table is formed so as to protrude downward from the bottom surface of the table, so by raising the handle from the table to change it from the stored state to the used state, the stored wheels are put into the used state. It can be activated on the lower surface to be in a rotatable state, and the transported object can be placed and fixed on a portion where the transported object is mounted and immediately used.

According to the invention of claim 2, the handle is raised toward above the table,
Since the wheel rotatably fixed to the lower surface of the table is formed so that the lower portion thereof protrudes from the lower surface of the table toward the lower side of the table by the operation of the wheel activating member that interlocks with the handle, Not used (storage)
In order to change the state from the use state to the use state, the handle is raised toward the upper side of the table so that the wheels are also projected to the lower surface of the table at the same time as the handle is activated by the operation of the wheel activation member that is interlocked with the handle, so that the wheels are rotatable. It can be used immediately.

According to the third aspect of the present invention, the wheel support rotatably fixed to the lower surface of the table serves as a pressing member that normally (when not in use) urges it toward the wheel storage portion of the table. Since it is pressed and stored, the handle and wheels are both stored inside the outer shape of the table.
If the size of the table is about the size of an A4 file, it will be possible to make it a compact size, and it will be extremely portable. For example, when not in use, it can be a hindrance to put it in your bag. In addition, without putting it in the bag, it becomes possible to easily put it in the luggage rack of an airplane or a railroad with other luggage. In addition, since the wheels are stored in the wheel storage portion, dirt and the like of the wheels are less annoying as in the conventional example, and if the wheels are stored, it can be stored in a selected place. Also, even if the diameter of the wheel is relatively large, compactness is not lost as long as it fits in the wheel storage portion formed on the table, and
If the diameter of the wheel is increased, even if the road surface condition is poor during use, there is no great inconvenience in transportation work, and the wheel can be used relatively comfortably. According to the invention of claim 4, the handle storage recess is formed on the surface of the table on which the transported object is placed so that the handle is stored within the range of the thickness of the table when the handle is laid down. The lower part is fixed to the wheel undulation member, the wheel undulation member is rotatably fixed to the table by a pivot, and the pivot shaft is connected to the handle accommodating recess so as to be accommodated within the range of the thickness of the table. Since it is stored in the undulating member storage hole that extends further forward, it is possible to store the handle and wheels almost within the size of the table, making it a compact and portable carry cart. .

The above-mentioned objects, other objects, features and advantages of the present invention will become more apparent from the detailed description of the following embodiments made with reference to the drawings.

[0017]

1 is a perspective view of a carrying cart according to an embodiment of the present invention when in use, and FIG. 2 is a perspective view thereof.
It is a rear perspective view of the example of illustration. FIG. 3 is a bottom perspective view of the example shown in FIG. FIG. 4 is a rear view in which a part of the example shown in FIG. 5 is a plan perspective view of the example shown in FIG. 1 when not in use, and FIG. 6 is a bottom perspective view when not in use. FIG. 7 and FIG. 8 are views showing an operating state when changing from a non-use state to a use state, FIG. 7 is a plan perspective view thereof, and FIG. 8 is a bottom perspective view thereof.

The carry cart 10 according to the present invention is
A table 12 having a portion on which the transported object A is placed;
A wheel 14 fixed to the table 12 and fixed so that at least a part thereof protrudes downward of the table 12, and a wheel 14 fixed to the table 12 so as to protrude upward of the table 12 when used. And a fixed handle 16.

The table 12 is a flat rectangular plate having a thickness capable of accommodating the wheels 14 and the handle 16 within the range of the thickness thereof, and the object A to be transported is mounted and fixed on the upper surface side thereof. The portion 12a is formed and the mounting portion 1 of the table 12 is formed.
A handle storing recess 18 for storing the handle 16 is formed on a side surface of the table 2a in parallel with the traveling direction of the table 12 (direction of arrow in FIG. 1).

The handle 16 is rotatably fixed in an upward direction of the table 12 so as to stand substantially orthogonal to the placement surface 12a on which the object to be transported is placed.
The bearing 22 of the pivot 20 that pivotally supports the table 1 is
2 is formed in a direction orthogonal to the traveling direction of FIG.
(See FIGS. 4 and 5). The handle 16 includes a pair of left and right handle shaft portions 24a and 24b formed at an appropriate interval in the front portion in the traveling direction of the table 12,
It is composed of the handle shaft 24a and the handle shaft 24b, and the grip portion 26, and has a substantially U-shaped front surface.
Then, at a position apart from the grip portion 26, the pivot shaft 20 that pivotally supports the handle 16 on the table 12 in a direction orthogonal to the handle shaft portions 24a and 24b,
The handle shaft portions 24a and 24b are formed so as to project laterally on both sides, that is, in the width direction of the table 12 (direction orthogonal to the traveling direction). In this embodiment, in the handle shaft portions 24a and 24b, the pipe material that constitutes the handle shaft portions is divided into upper and lower stages, and the lower pipe material has a larger diameter than the upper pipe material, and the lower pipe material The upper pipe material fitted to the material is formed so as to slide up and down to expand and contract, but the present invention is not limited to this.

Further, a wheel hoisting member 28 is formed so as to project toward the opposite side (lower side) from the handle shaft portions 24a, 24b so that the wheel 14 is hoisted in conjunction with the hoisting operation of the handle 16. ing. The wheel undulating member 28 is formed so as to be located inside the left and right wheels 14 formed on the front side of the table 12, and is provided with the handle 16
When the handle 16 is recumbent, the handle 16 is housed under the table 12 so that it is positioned above the upper portion of the wheel 14 when the handle 16 is recumbent, and the handle 16 is raised. At this time, the wheel 14 is held in a raised state so that the axle 30 of the wheel 14 is orthogonal to the traveling direction and the wheel 14 rotates parallel to the traveling direction. That is, the wheel undulating member 28 includes a columnar undulating member 34 rotatably formed inside the wheel support 32 so as to hold the wheel support 32 that rotatably supports the wheel 14 in an upright state, A holding hole 34a for holding the left and right handle shaft portions 24a, 24b is formed in the columnar undulating member 34, and the handle shaft portions 24a, 24b are fitted and erected in the holding hole 34a of the columnar undulating member 34. . In this embodiment, the columnar undulating member 34 slides on the outer surface of the inner surface of the wheel support 32 to rotate the wheel support 32 at an angle of rotation 90.
The wheel support 32 is tilted toward the lower surface of the table 12 by rotating the table 12 within the range of degrees, or
In order to rotate the columnar undulating member 34 in the advancing direction (retracting direction) so that the columnar undulating member 34 can be raised orthogonally to the upper surface of
Are formed so as to project right and left, and the pivot 20 is pivotally supported by a bearing 22.

A pair of left and right columnar undulating members 34 are formed inside the wheel support 32 of the left and right wheels 14, and the plate-like bridging member 3 is provided between the left and right columnar undulating members 34.
The columnar undulating member 34 is fixed to the columnar undulating member 34, and the columnar undulating member 34 is continuous with the handle accommodating recess 18 and has substantially the same width and is formed in the table 12 in parallel with the traveling direction when the handle 16 is laid down. 36, and the plate-like bridging member 3
8 is also housed between the inner side of the wheel support 32 and the lower surface of the table 12 when the handle 16 falls down (when the wheels 14 are housed). In order to be housed in this manner, the inner surface of the wheel support 32 and the surface parallel to the lower surface of the table 12, that is, the front and rear surfaces of the columnar undulating member 34 and the plate-like bridging member 38 are formed in parallel. . The plate-like bridging member 38 is
In addition to reinforcing the columnar undulating member 34, it also fulfills the function described later.

The wheel 14 is rotatably fixed to a wheel member 40. In the wheel member 40, the wheel 14 is rotatably fixed to the wheel bearing portion 42 below the wheel support 32 by the axle shaft 30, and A fixed shaft 46 protruding from the fixed portion 44 of the wheel support 32 in the traveling direction is rotatably fixed to a fixed bearing portion 48 formed in the front portion of the lower surface of the table 12. In this embodiment, the handle 1
In front of the bearing 22 of the pivot 20 that pivotally supports the bearing 6,
2, a rear fixed bearing portion 48a is formed in a direction orthogonal to the traveling direction, that is, a front side edge of the table 12 at a certain distance from the rear fixed bearing portion 48a. The front fixed bearing portion 48b is formed (see FIG. 6).

The wheel support 32 is an elastic member 50 wound around the fixed shaft 46 in a recess formed in the center of the fixed portion 44, and is normally (when not in use) the table 12.
In parallel to the above, that is, the lower surface of the table 12 is repulsed so as to be housed in the wheel housing recess 52 formed inside the wheel support 32.

In the wheel hoisting member 28, the handle 16 fixed to the holding hole 34a thereof and the columnar hoisting member 34 are formed in a substantially straight line so that the handle 16 can be housed within the range of the thickness of the table 12. In addition, the columnar undulating member 34 of the wheel undulating member 28 when housed in the handle housing recessed portion 18.
Is formed in the center of the table 12 in the thickness direction so that the wheel support 32 is housed within the thickness range of the table 12 and above the fixed shaft 46 that fixes the wheel support 32 to the table 12. 20 is pivotally supported and fixed to the table 12. Further, an undulating member accommodating hole 36 for accommodating the columnar undulating member 34 is formed continuously with the handle accommodating recess 18 so that the wheel support 32 is accommodated within the thickness range of the table 12 together with the wheel 14. There is.

The plate-like bridging member 38 rotates at a rotation angle of about 90 degrees until the lower surface of the table 12 and a portion orthogonal to the lower surface of the table 12 are accompanied by the raising and lowering operation of the handle 16. A horizontal maintenance member 54 configured to be activated in accordance with the above is coupled.

The horizontal maintaining member 54 is a plate-like bridging member 3.
A rear end of the actuating arm 58 is rotatably fixed to a bearing 56 formed on the rear surface of the center of the actuating arm 58, and the rear end of the actuating arm 58 is moved up and down by the forward and backward movement of the actuating arm 58. A support rod 60 is rotatably fixed to the table 12, and the support rod 60 is rotatably fixed to the lower surface of the table 12 by a bearing 62 in the front-rear direction.
The support bar 60 is formed so as to rise in a direction substantially orthogonal to the table 12 by the forward and backward movement of the operating arm 58 (FIG. 3).
reference). The support rod 60 is always (when not in use) stored in a storage recess 64 formed in the lower surface of the table 12,
When the handle 16 is erected, the handle 16 is configured to be raised in a direction substantially orthogonal to the table 12.

As shown in FIG. 9, the operating lever 66 for holding the handle 16 in the upright state is provided with both handle shaft portions 24.
A lever member 70 is formed so as to be able to move in and out of an operation lever holding body 68 that is bridged between a and 24b, and is urged toward the table 12 side by an elastic member 70 housed in the operation lever holding body 68, so that the operation lever is By gripping 66, a fixed projection 72, which is provided on the lower portion of the operation lever 66 and projects toward the table 12 side, can be pulled upward. When the handle 16 is erected, the fixing protrusions 72 are fitted into holes 74 formed in the upper surface of the table 12 in parallel with the erection direction of the handle 16 to fix the handle 16 in the erected state, and when the handle 16 is lying down. The handle 16 is fixed in a recumbent state by being fitted in a hole 78 formed in the rear wall surface 76 of the housing recess 18 of the handle 16 in parallel with the traveling direction.

The present invention is not limited to the above embodiment, but can be variously modified. For example,
In the above embodiment, the wheels 14 are provided on the front of the table 12.
Is formed, and a horizontal maintaining member 54 is formed in the rear portion of the table 12 to maintain the horizontal state of the table 12. The wheel 14 having the same structure as the wheel member 40 is also undulated in the rear portion of the table 12. It is also possible to form a member to be moved and form four front and rear wheels. In the case of four wheels, the handle 16 is carried by pulling by hand in the above embodiment, but it is more suitable to push and carry.

[Brief description of drawings]

FIG. 1 is a perspective view of a carry cart according to an embodiment of the present invention when in use.

FIG. 2 is a rear perspective view of the example shown in FIG.

3 is a bottom perspective view of the example shown in FIG. 1. FIG.

FIG. 4 is a rear view in which a part of the example shown in FIG. 1 is shown in section.

5 is a plan perspective view of the example shown in FIG. 1 when not in use. FIG.

FIG. 6 is a bottom perspective view of the example shown in FIG. 1 when not in use.

FIG. 7 is a plan perspective view showing an operating state when changing from a non-use state to a use state.

FIG. 8 is a bottom perspective view showing an operating state when changing from non-use to use.

9A and 9B are diagrams showing an example of an operation lever, FIG. 9A is a cross-sectional schematic view thereof, and FIG. 9B is a schematic illustration of the operation lever.

FIG. 10 is an illustrative view showing a folding method of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Carry cart 12 Table 12a Mounting part 14 Wheel 16 Handle 18 Handle storage recessed part 20 Axis (handle) 22 Bearings 24a, 24b Handle shaft part 26 Grip part 28 Wheel undulating member 30 Axle 32 Wheel support 34 Columnar undulating member 34a Holding Hole 36 Elevating member storage hole 38 Plate-like bridging member 40 Wheel member 42 Wheel bearing portion 44 Fixed portion 46 Fixed shaft 48 Fixed bearing portion 48a Rear fixed bearing portion 48b Front fixed bearing portion 50 Elastic member 52 Wheel storage recess 54 Horizontal maintaining member 56 Bearing 58 Operating arm 60 Support rod 62 Bearing 64 Storage recess 66 Operating lever 68 Operating lever holding body 70 Repulsive member 72 Fixing protrusion 74 Hole 76 Wall surface 78 hole

Claims (4)

[Claims] 1. A plate-shaped table having a portion on which an object to be transported is mounted, fixed to the table so as to rotate about 90 degrees by a fixed shaft, and directed downward from the table. At least a left and right part fixed to be housed in a wheel housing formed in the table so that at least a part thereof projects and rotates parallel to the traveling direction, and is housed within the range of the thickness of the table. A pair of wheels, fixed to the table pivotally about the pivot,
The table is protruded upward from the table so as to be oblique or orthogonal to the portion on which the transported object is placed, and is fixed so as to be housed substantially parallel to the surface of the table on which the transported object is placed. Further, between the handle and at least a pair of left and right wheels fixed to the table, the wheel shaft is connected to the handle so as to rotate an axle that rotatably fixes the wheel by approximately 90 degrees.
A wheel cart having a wheel hoisting member, wherein the wheel housed in a wheel housing portion of the table below the wheel hoisting member has the handle raised around the pivot toward the upper side of the table. According to the above, the wheel undulating member is interlocked with the activation of the handle so that the wheel is rotated substantially 90 degrees about the fixed shaft downwardly of the table, and the lower portion thereof is projected from the lower surface of the table. Carry cart. 2. The wheel is rotatably fixed to a wheel support by an axle, and the wheel support is rotatably fixed to a lower surface of the table by a fixed shaft parallel to a traveling direction. A wheel starting member is rotatably fixed to the table by a pivot above a fixed shaft that fixes the body, and
The handle is fixed to the wheel actuating member at its lower part, and the wheel actuating member that interlocks with the actuation of the handle moves the inner surface of the wheel supporter as the handle is raised toward the upper side of the table about the pivot axis. Glide,
2. The carry cart according to claim 1, wherein the wheel is formed by the rotation of the wheel support so that the lower portion thereof projects downward from the lower surface of the table. 3. The wheel is rotatably fixed to a wheel support body rotatably fixed to the lower surface of the table by an axle, and is normally urged toward a wheel storage portion of the table. The carry cart according to claim 1 or 2, which is pressed by a member and is stored in the wheel storage portion. 4. The handle storage recess is formed on the surface of the table on which the object to be transported is placed so that the handle is stored within the range of the thickness of the table when the handle is laid down, and the wheel undulation is provided at the lower portion of the handle. The wheel undulation member is fixed to the table so as to be rotatably attached to the table by a pivot, and extends forward from the pivot in the handle accommodating recess so as to be accommodated within the range of the thickness of the table. Stored in the undulating member storage hole formed up to,
The carry cart according to any one of claims 1 to 3.