KR20160131235A - Foldaway cart - Google Patents

Foldaway cart Download PDF

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Publication number
KR20160131235A
KR20160131235A KR1020150063125A KR20150063125A KR20160131235A KR 20160131235 A KR20160131235 A KR 20160131235A KR 1020150063125 A KR1020150063125 A KR 1020150063125A KR 20150063125 A KR20150063125 A KR 20150063125A KR 20160131235 A KR20160131235 A KR 20160131235A
Authority
KR
South Korea
Prior art keywords
support
base member
rotatably coupled
surface portion
present
Prior art date
Application number
KR1020150063125A
Other languages
Korean (ko)
Inventor
이은휴
Original Assignee
이은휴
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이은휴 filed Critical 이은휴
Priority to KR1020150063125A priority Critical patent/KR20160131235A/en
Publication of KR20160131235A publication Critical patent/KR20160131235A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2206/00—Adjustable or convertible hand-propelled vehicles or sledges
    • B62B2206/02—Adjustable or convertible hand-propelled vehicles or sledges adjustable in length or width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2206/00—Adjustable or convertible hand-propelled vehicles or sledges
    • B62B2206/06—Adjustable or convertible hand-propelled vehicles or sledges adjustable in height

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Handcart (AREA)

Abstract

The present invention relates to a folding cart, and in accordance with an embodiment of the present invention, when a passenger is about to pass through a passageway while feeding food or carrying goods in a narrow passage such as an aircraft or a train, So that it is possible to secure a free space for passengers to pass through.

Description

Foldaway cart

The present invention relates to a folding cart.

Transport carts are used for various purposes, such as transporting goods at shopping centers, transporting food at restaurants or hotels, and transporting parts at factories. In particular, The cart used at the time is called a mealt cart.

For example, in Korean Patent No. 10-0454804, a coupling pipe is attached to each corner of a tray, a support bar is formed between the trays, and a coupling pipe of the support bar and the tray is coupled by a coupling hole. And a handle is coupled to the coupling pipe of the uppermost tray, and a wheel is coupled to the coupling pipe of the lowermost tray.

However, the structure of the disclosed cart can not adjust the width in the left and right direction, which is the direction perpendicular to the direction of travel of the cart, so that when the food or object is transported in a narrow passage such as an aircraft or a train, There is a problem causing inconvenience.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in view of the background described above, and it is an object of the present invention to provide an air conditioner which narrows the width of a cart when passengers want to pass through a narrow passage such as an airplane or a train, The present invention provides a folding cart which can secure space.

The objects of the present invention are not limited thereto, and other objects not mentioned may be clearly understood by those skilled in the art from the following description.

To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, there is provided an electronic device comprising: a first side portion and a second side portion facing each other; An upper support rotatably coupled to an upper portion of the first side portion, and an upper portion rotatably coupled to the upper portion of the second side portion; And a lower support portion rotatably coupled to the lower portion of the first side portion and rotatably coupled to the lower portion of the second side portion at one side, The first side surface portion and the second side surface portion are vertically shifted with respect to the gap between the side surface portion and the second side surface portion so that the gap between the first side surface portion and the second side surface portion is narrowed in a state in which the upper support portion and the lower support portion are inclined A folding cart is provided.

According to one embodiment of the present invention, when a passenger is going to pass through a passageway while feeding food or carrying goods in a narrow passage such as an airplane or a train, the width of the cart is narrowed to secure a space There is an effect that can be done.

1 is a perspective view of a folding cart according to an embodiment of the present invention.
2 and 3 are views showing a state in which the first side portion and the second side portion of the folding cart shown in Fig. 1 are shifted in the vertical direction.
Fig. 4 is a view showing the angle fixing member in the state of Fig. 1;
Fig. 5 is a view showing the angle fixing member in the state of Fig. 2. Fig.
6 is an exploded perspective view and a partially enlarged cross-sectional view of the angle fixing member.
7 is a sectional view showing the operation of the angle fixing member.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference symbols as possible even if they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected to or connected to the other component, It should be understood that an element may be "connected," "coupled," or "connected."

1 is a perspective view of a folding cart according to an embodiment of the present invention. 2 and 3 are views showing a state in which the first side portion and the second side portion of the folding cart shown in Fig. 1 are shifted in the vertical direction. Fig. 4 is a view showing the angle fixing member in the state of Fig. 1; Fig. 5 is a view showing the angle fixing member in the state of Fig. 2. Fig. 6 is an exploded perspective view and a partially enlarged cross-sectional view of the angle fixing member. 7 is a sectional view showing the operation of the angle fixing member.

As shown in these figures, the foldable carrying cart 100 according to an embodiment of the present invention includes: a first side portion 101 and a second side portion 103 which are disposed to face each other; An upper support portion 105 rotatably coupled to the upper portion of the first side portion 101 at one side and pivotally coupled to the upper portion of the second side portion 103 at the other side; And a lower support portion 107 rotatably coupled to the lower portion of the first side portion 101 and rotatably coupled to the lower portion of the second side portion 103. The upper support portion 105, The first side surface portion 101 and the second side surface portion 103 are shifted in the vertical direction with respect to the gap between the first side surface portion 101 and the second side surface portion 103 in a state where the support portion 107 is horizontally arranged, The gap between the first side surface portion 101 and the second side surface portion 103 is narrowed in a state in which the lower surface support portion 105 and the lower support portion 107 are inclined.

The first side portion 101 and the second side portion 103 may be provided in a rectangular plate shape. For example, the first side portion 101 and the second side portion 103 may be provided in a rectangular plate shape.

The handle 109 is provided on both the outer side surface of the first side surface portion 101 and the outer side surface of the second side surface portion 103. The handle 109 is normally folded (see FIG. 1) (See FIG. 2) protruding outside the first side surface portion 101 or the second side surface portion 103 while being rotated when the handle 109 is used.

The inner side surface of the first side surface portion 101 and the inner side surface of the second side surface portion 101 are opposed to each other such that at least one tray (not shown) is placed in a space between the first side surface portion 101 and the second side surface portion 103 facing each other. Several mounting protrusions 111 and 113 may be formed on the inner surface of the base 103.

The upper support portion 105 is pivotally coupled to the upper portion of the first side portion 101 and the other portion is pivotally coupled to the upper portion of the second side portion 103. The upper support portion 105 is, And may be provided in the shape of a rectangular plate.

A mounting plate 115 may be detachably mounted on the upper surface of the upper supporting part 105. The upper supporting part 105 may be provided on the upper surface thereof with a separate mounting plate 115, The folding cart 100 is moved in the state of FIG. 2 (i.e., the first side portion 101 and the second side portion 103 are shifted in the vertical direction) so that passengers can pass through the passageway while the crew is dispensing food in the narrow passage The first and second side portions 101 and 103 are narrowed), it is possible to provide the crew with food on the mounting plate 115, thereby improving the convenience of the crew .

One end of the lower support portion 107 is rotatably coupled to the lower portion of the first side portion 101 and the other end of the lower support portion 107 is rotatably coupled to the lower portion of the second side portion 103. The lower support portion 107, May be provided in a similar shape and structure to the upper support portion 105.

In addition, a plurality of wheel portions 117 are respectively connected to the lower surface of the lower support portion 107 by a support shaft 119. At least two of the support axes are provided in a stretchable structure.

Here, the extension and contraction structure of the support shaft 119 may be provided such that the length is adjusted by a telescopic method.

In this way, at least two of the support shafts are provided in a stretchable structure, so that even when the folding cart 100 is changed to the state shown in Fig. 2, all of the wheel portions 117 can support the ground without falling from the ground .

An angle fixing member 401 is provided between the support shaft 119 and the lower support portion 107 so that the angle fixing member 401 is narrowed between the first side surface portion 101 and the second side surface portion 103, The supporting shaft 119 is kept in a vertical direction with respect to the paper even if the supporting portion 107 is inclined.

The angle fixing member 401 is provided on the lower surface of the lower holding portion 107 and includes a first base 601 on which the coupling groove 601 is formed, Member 403; A second base member 407 provided on the support shaft 119 and rotatably coupled to the first base member 403 through a rotation shaft 405 and having a fixing groove 603 formed therein; And one end thereof is pivotally coupled to the engaging groove 601 and the other end thereof is pivotally coupled to the securing groove 603 and the first base member 403 and the second base member 403 are unfolded in a folded state when the bottom support portion 107 is inclined, And a support member 501 for supporting the base member 407.

The first base member 403 is provided on the lower surface of the lower support unit 107. The first base member 403 may be provided in the form of a polygonal plate having a predetermined thickness, 403 are formed with coupling grooves 601 on the lower surface thereof.

The second base member 407 is provided on the upper portion of the support shaft 119. The second base member 407 is rotatably coupled via the rotation shaft 405. The second base member 407 is, As a polygonal plate having a predetermined thickness.

A fixing groove 603 is formed on the upper surface of the second base member 407.

One end of the support member 501 is coupled to the coupling groove 601 while the other end of the support member 501 is pivotally coupled to the fixing groove 603. The support member 501 is slid on the lower support portion 107, The first base member 403 and the second base member 407 are extended while being folded about the hinge axis 503 when the second base member 403 and the second base member 407 are opened with the rotation axis 405 as a center of rotation, (407).

On the other hand, one end of the support member 501 can be pivotally coupled to the coupling groove 601 via the elastic pivot shaft 605, and the other end of the support member 501 can be coupled to the fixing groove 603, (Not shown).

Here, an example of the structure of the elastic pivot shaft 605 will be described in more detail. The elastic pivot shaft 605 includes a first body 609 having a coupling groove 607 formed therein; A second body 611 having one side inserted into the coupling groove 607 and engaged with the first body 609; And an elastic member 613 provided between the first body 609 and the second body 611 to apply an elastic force to the first body 609 or the second body 611.

The first body 609 may have a cylindrical shape. The first body 609 is opened at one side and closed at the other side to form a coupling groove 607.

One end of the second body 611 is inserted into the coupling groove 607 and is coupled to the first body 609. The second body 611 may be formed in a cylindrical shape that can be divided into a small diameter section and a large diameter section. have.

The elastic member 613 is provided between the first body 609 and the second body 611 to apply an elastic force to the first body 609 or the second body 611. In the figure, Is provided as a flat spring and is provided in the fastening groove 607 of the first body 609. [

The elastic pivot shaft 605 is provided in a structure including the first body 609, the second body 611 and the elastic member 613 so that the elastic pivot shaft 605 is pushed from both sides in the axial direction, When one end and the other end of the support member 501 are inserted into the engaging groove 601 and the fixing groove 603 in a state of being narrowed, the elastic pivotal shaft 605 is positioned on both sides of the engaging groove 601 and on both sides of the fixing groove 603 The length of the elastic pivot shaft 605 is increased by the elastic restoring force of the elastic member 613 when both the ends of the elastic pivot shaft 605 are inserted into the fitting grooves (not shown) So that it can be fixed.

Therefore, assembly between the support member 501 and the first body 609 and the second body 611 is simplified.

As described above, according to the embodiment of the present invention, when the passengers want to pass through the passageway while feeding food or carrying goods in a narrow passage such as an aircraft or a train, the width of the cart is narrowed so that passengers can pass Therefore, it is possible to improve the mobility of passengers and the convenience of the crew.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. That is, within the scope of the present invention, all of the components may be selectively coupled to one or more of them.

It is also to be understood that the terms such as " comprises, "" comprising," or "having ", as used herein, mean that a component can be implanted unless specifically stated to the contrary. But should be construed as including other elements. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted to be consistent with the contextual meanings of the related art, and are not to be construed as ideal or overly formal, unless expressly defined to the contrary.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: folding cart 101: first side portion
103: second side part 105: upper support part
107: lower support portion 109: handle portion
111: mounting protrusion 113: mounting protrusion
115: mounting plate 117:
119: Support shaft 401: Angle fixing member
403: first base member 405:
407: second base member 501: support member
601: coupling groove 603: fixing groove
605: elastic pivot shaft 607: fastening groove
609: first body 611: second body
613: elastic member

Claims (4)

A first side portion and a second side portion arranged to face each other;
An upper support rotatably coupled at one side to an upper portion of the first side portion and another end rotatably coupled to an upper portion of the second side portion; And
And a lower support portion rotatably coupled to a lower portion of the first side portion and having a second side rotatably coupled to a lower portion of the second side portion,
Wherein the first side surface portion and the second side surface portion are offset in the vertical direction with respect to a gap between the first side surface portion and the second side surface portion in a state where the upper support portion and the lower support portion are horizontally arranged, Wherein a distance between the first side surface portion and the second side surface portion is narrowed. The method according to claim 1,
Wherein a plurality of wheels are connected to the lower surface of the lower support by respective support shafts, and at least two of the support shafts are expandable and contractible. 3. The method of claim 2,
The support shaft is held in a vertical direction with respect to the ground even if the lower support portion is inclined while the first side portion and the second side portion are narrowed,
And an angle fixing member is provided between the support shaft and the lower support portion. The method of claim 3,
The angle fixing member
A first base member provided on a lower surface of the lower support portion and having a coupling groove;
A second base member provided on the support shaft, the second base member being rotatably coupled to the first base member via a rotation shaft and having a fixing groove; And
A support member pivotally coupled to the coupling groove at one end and pivotally coupled to the fixing groove at the other end to support the first base member and the second base member in a folded state when the bottom support portion is inclined;
Folding carrying cart.
KR1020150063125A 2015-05-06 2015-05-06 Foldaway cart KR20160131235A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150063125A KR20160131235A (en) 2015-05-06 2015-05-06 Foldaway cart

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150063125A KR20160131235A (en) 2015-05-06 2015-05-06 Foldaway cart

Publications (1)

Publication Number Publication Date
KR20160131235A true KR20160131235A (en) 2016-11-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150063125A KR20160131235A (en) 2015-05-06 2015-05-06 Foldaway cart

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190111187A (en) 2018-03-22 2019-10-02 주식회사 디케이코리아 Cart for transporting food products
KR20210078144A (en) * 2019-12-18 2021-06-28 (주)엔에스제이 Open type nesting tray return car
US11453425B1 (en) 2021-04-06 2022-09-27 Super Nirosta Ashkelon Ltd Folding food service cart

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190111187A (en) 2018-03-22 2019-10-02 주식회사 디케이코리아 Cart for transporting food products
KR20210078144A (en) * 2019-12-18 2021-06-28 (주)엔에스제이 Open type nesting tray return car
US11453425B1 (en) 2021-04-06 2022-09-27 Super Nirosta Ashkelon Ltd Folding food service cart

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