WO2022028983A1 - Chariot à bras à axe unique pliable et recyclable - Google Patents

Chariot à bras à axe unique pliable et recyclable Download PDF

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Publication number
WO2022028983A1
WO2022028983A1 PCT/EP2021/071163 EP2021071163W WO2022028983A1 WO 2022028983 A1 WO2022028983 A1 WO 2022028983A1 EP 2021071163 W EP2021071163 W EP 2021071163W WO 2022028983 A1 WO2022028983 A1 WO 2022028983A1
Authority
WO
WIPO (PCT)
Prior art keywords
hand truck
flat
roller
handle
cardboard
Prior art date
Application number
PCT/EP2021/071163
Other languages
German (de)
English (en)
Inventor
Alan Weber
Ralf Weber
Original Assignee
Alrawe Ag
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 Alrawe Ag filed Critical Alrawe Ag
Publication of WO2022028983A1 publication Critical patent/WO2022028983A1/fr

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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
    • B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
    • B62B1/10—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels
    • B62B1/12—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels involving parts being adjustable, collapsible, attachable, detachable, or convertible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/06—Hand moving equipment, e.g. handle bars
    • B62B5/067—Stowable or retractable handle bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2501/00—Manufacturing; Constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2501/00—Manufacturing; Constructional features
    • B62B2501/06—Materials used
    • B62B2501/062—Cardboard or paper

Definitions

  • the present invention relates to a recyclable, foldable, single-axle hand truck, a method of manufacturing the hand truck, and its use.
  • the object of the present invention to provide an inexpensive vehicle which can be bought locally and ideally folded up well after use or simply disposed of so that it does not take up unnecessary space at home.
  • the vehicle should only take up little space from production to sale and should therefore be easy to transport, store and stack. It should be sufficiently stable to purchase resp. Pieces of luggage, for example from the post office, can be transported well for at least one way - for example from the shopping center home.
  • the vehicle should be - ideally completely - recyclable and therefore sustainable.
  • a reusable, foldable single-axle hand truck (1) for receiving at least one piece of luggage, comprising a rear side (2) with a handle (4) and at least one roller holder (6) and at least one roller (7) with an axle ( 9), wherein i) the hand truck (1) is a flat hand truck (11), the hand truck (11) comprising a rear side (2) with a handle (4), a roller holder (6) and at least one roller (7) with an axis ( 9), and optionally at least one adhesive tape with a cover film, whereby the back (2) or a part thereof and the roller holder (6) of the hand truck (11) are based on a common flat part (23), or ii) the hand truck (1) is a hand truck with a support surface (12), comprising
  • a support surface (3) for receiving the at least one piece of luggage the support surface (3) being arranged essentially at right angles to the rear (2) and in the lower area on the rear (2),
  • a method for producing the hand truck (1) according to the invention is also claimed, wherein a. the common flat part (23) of the hand truck (1, 11, 12) comprising the back (2), or a part thereof, and the roller holder (6), as well as the hand truck (12) additionally the support surface (3) and the reinforcing elements (5) is removed from flat cardboard, with preferably the back (2) or a part thereof, the roll holder (6), the supporting surface (3) and the reinforcing elements (5) being separated from one another by punching fold lines, b. the at least one roller (7) with the axis (9) is fastened, in particular clamped, to the roller holder (6), and c. and in the case of the hand truck (12), the supporting surface (3) is unfolded and the reinforcing elements (5) are folded in and glued if necessary, with steps b) and c) being able to be carried out in any order with the hand truck (12).
  • the use of the hand truck (1) according to the invention as a hand truck for transporting items of luggage, in particular for transporting items of luggage once or only a few times, is also claimed.
  • the hand truck (1) according to the invention, the hand truck (1) produced according to the invention and the use of the hand truck (1) according to the invention surprisingly have many advantages.
  • the hand truck (1) according to the invention is inexpensive to manufacture and can be manufactured at the factory as a thin, packaged hand truck (1*) and transported, stored and stacked easily and space-savingly as a semi-finished product in an unfolded or flat folded, ie collapsed, form.
  • every shop and every post office can be equipped with the folded and packed hand truck (1 *), which can be bought, folded, packed and used as an ideal, stable transport device by anyone without prior knowledge.
  • the handle (4) and the roller holder (6) of the flat hand truck (11), as well as the back (2) or a part of it, the handle (4), the roller holder (6) and the additional support surface (3) and reinforcement elements (5) of the hand truck with support surface (12) are based on a common flat part (23) and are therefore formed in one piece, they can be manufactured very easily and folded together and stacked without any problems .
  • the flat hand truck (11) and hand truck with support surface (12), collectively called hand truck (1) is cheap to manufacture and purchase.
  • the folded, packed hand truck (1 *) can be used without tools like a folding carton or Folding box folded in a simple way to the handcart (1), ie assembled resp. composed, become.
  • the axle (9) with the at least one roller (7) is simply inserted into the roller holder (6) and the handle (4) - if it is movable and available as a separate element of the packed hand truck (1*) - reversibly brought into the correct position.
  • the hand truck (1) can thus be assembled quickly, easily and anywhere and then used directly. After use, the Handcart (1) can be folded up again if necessary, so that it can be stored to save space and reused later. If the hand truck (1) is no longer required, it can be disposed of after the first use or after further or repeated use in a simple manner, for example in a cardboard recycling plant, and thus be recycled.
  • the back (2), or part thereof includes both the entire back (2) and part of the back (2), with the term “part of the back (2)” referring in particular to part of a multilayer, flat back (21) comprises a first and a second flat back (21), and optionally at least one flat guide element (22) and at least one flat pull-out rail (41).
  • a part of the back (2) includes in particular the first or the second flat back (21).
  • the hand truck (1) is stable enough for the intended use, even if it is made entirely of cardboard.
  • no (metal) clips or other fastening parts that are not made of cardboard are needed to hold the hand truck together. This leads to both simple production and good recyclability, without the hand truck having to be laboriously dismantled into individual parts made from a wide variety of materials.
  • the flat hand truck (11) consisting of the back (2) with handle (4), roller holder (6) and roller (7) with axis (9), and optionally at least one adhesive tape with cover film, is particularly easy to produce. Once assembled, it can also be stored easily and in a space-saving manner without having to be dismantled into individual parts, since it essentially consists of the flat rear side (2) with handle (4 ) consists. If the cover foil of the adhesive tape is removed, For example, a piece of luggage can be fastened, ie glued, to the hand truck (11) quickly and easily.
  • the piece of luggage can be removed from the trolley (11) and a new adhesive tape—typically in the form of double-sided adhesive tape—can be attached, whereby the trolley (11) in its simple form can be used several times.
  • a new adhesive tape typically in the form of double-sided adhesive tape—can be attached, whereby the trolley (11) in its simple form can be used several times.
  • the hand truck (1) is a hand truck with a support surface (12)
  • at least one piece of luggage can be accommodated by simply placing it on the support surface (3).
  • the piece of luggage does not necessarily have to be attached to the trolley (12), for example glued on.
  • the piece of luggage can also be a shopping basket, a shopping bag or a paper bag. If the hand truck (12) is to be used again after transport, the support surface (3) and the reinforcement elements (5) can be folded together in a simple manner, if necessary the roller (7) with axle (9) can be removed and the hand truck ( 12) can be kept for the next use.
  • the piece of luggage can optionally be attached to the hand truck (1) by means of a fastening strap, cord and/or rubber band. It is helpful if the handcart (1) has openings and/or notches in the corner areas of the rear (2) which can be used to attach the item of luggage using a fastening strap, cord and/or rubber band.
  • a major advantage of the hand truck (1) is that the size of the luggage is not limited or is only limited to a small extent.
  • the flat hand truck (11) has neither a lateral nor a front limit on, whereby a piece of luggage can be transported, which is wider than the back (2) of the hand truck (11).
  • the hand truck (12) allows the transport of luggage, which can easily protrude beyond the support surface (3) in the vertical direction, in relation to the back (2) of the hand truck (12).
  • the hand truck (1) according to the invention can surprisingly be produced in a simple manner. It is particularly advantageous that the hand truck (1) can be manufactured at the factory as a semi-finished product in the form of a folded and packaged hand truck (1*) and can be transported to the destination.
  • the folded and packed hand truck (1*) can be transported and stored in a particularly space-saving manner. If the hand truck (1) is then required, it can be easily assembled using the packed hand truck (1*) without prior knowledge.
  • the hand truck (1) can typically be folded up like a folding box. If necessary, sides and flaps can also be glued to one another, for example by means of double-sided adhesive tape, with the adhesive tape being able to be attached at the factory on one side at the location to be glued.
  • US-A-2019/0359241 discloses a collapsible trolley or other transport device comprising i) a frame having a rear wall, ii) a shelf panel pivotally attached to a lower edge of the rear wall, iii) a pair of rear wing panels, each pivotally attached to opposite side edges of the back wall, iv) a pair of shelf wing panels each pivotally attached to opposite side edges of the shelf panel, and v) a pair of auxiliary panels each pivotally attached to the pair of shelf wing panels and to lower portions of the pair of rear wing panels are fixed, includes.
  • the stand is between an unfolded use configuration and a folded storage configuration.
  • a pair of wheels are attached to the pair of rear wing panels and the pair of auxiliary panels through a pair of wheel mounts.
  • the frame is preferably made of corrugated plastic and the wheels are made of molded plastic.
  • the trolley requires brackets to get and hold the desired shape, making it significantly more difficult to recycle.
  • a fully recyclable hand truck made entirely of cardboard is not mentioned.
  • the handcart also has neither an extendable nor a folding or retractable handle.
  • the trolley includes many individual parts, which makes both its manufacture and assembly much more difficult.
  • EP-A-0 410 772 relates to a trolley having a collapsible structure made of rigid or semi-rigid panels, typically cardboard.
  • the paperboard panels can be folded relative to one another between a collapsed condition in which the plurality of them lie in compact, coplanar relationship and an erected condition in which they define an open-topped carton.
  • a wheeled axle is connected to the structure to allow the box to be wheeled across the floor.
  • Handles are provided for supporting the structure when folded and for steering the trolley when erected. Tabs are also provided which snap into suitable slots to maintain the folded and erected condition of the paperboard panels.
  • the trolley described is only suitable for transporting individual purchases with small dimensions that can be placed in the trolley.
  • KR-U-2015 0002954 relates to a disposable shopping cart comprising: a body into which items can be placed and in which a handle hole is formed; a wheel that supports and moves the body; a connecting shaft connecting the wheels together; and an insertion pin which is inserted into a hole to support the connection shaft and a fastening ring for fastening the insertion pin.
  • the body of the shopping cart is preferably made of paper or styrofoam. Suitable materials for the wheels and the connecting shaft are not mentioned.
  • the shopping cart described is only suitable for transporting individual purchases with small dimensions that can be placed in the shopping cart.
  • a hand truck within the meaning of the invention, with which a larger piece of luggage can also be transported, is not described.
  • the handcart also has neither an extendable nor a folding or retractable handle.
  • DE-A-10 2012 211 563 describes a transport device comprising a collapsible or folded container, a rolling element attachable or attached to the container and a roller, the roller being made of a recycled, recyclable and/or biodegradable material , For example, made of cardboard and / or paper, or wood.
  • the transport device is typically in the form of a lockable trolley case having a handle, the handle being in the form of an opening in the extended rear wall of the trolley case.
  • the handle cannot be integrated or recessed into the folded container. As a result, it can be destroyed during transport or even separated from the case.
  • the transport device described is suitable for transporting smaller items, such as single purchases of small dimensions, that can be placed in the transport device.
  • a hand truck within the meaning of the invention, with which a larger piece of luggage can also be transported, is not described.
  • the handcart also has neither an extendable nor a folding or retractable handle.
  • US 3,492,016 describes a wheeled vehicle for use as a shopping trolley or the like, formed of inexpensive material, comprising a corrugated cardboard frame, paper bag and axle means and wheels.
  • the bag is provided with an opening to receive the frame, which can be made from a single sheet of corrugated cardboard and requires minimal fastening to facilitate assembly.
  • wheels made from sheets of corrugated board having an aperture and usable for a variety of wheeled vehicles and designed for any purpose. In addition, they are inexpensive yet designed to provide significant strength and durability.
  • the handle is in the form of a cord which includes a reinforcing member.
  • the wheels are attached to the axle by means of a fastener in the form of a bracket.
  • the shopping cart described is only suitable for transporting individual purchases with small dimensions that can be placed in the bag.
  • a hand truck within the meaning of the invention, with which a larger piece of luggage can also be transported, is not described.
  • essential parts of the shopping cart are not based on a common flat part.
  • the hand truck has neither an extendable nor a folding or retractable handle.
  • the shopping cart also includes various separate elements made of different materials, which have to be assembled in a complex manner. For recycling, the various materials must be separated and recycled separately.
  • US 3,087,740 relates to a shopping cart and is particularly directed to a utility cart suitable for only one or multiple shopping trips.
  • the cart may be formed from a blank of corrugated board and fitted with a wheel assembly and handle.
  • conventional cardboard boxes can be used as parts of the cart.
  • the body of the car can be printed with suitable advertising motifs during assembly or provided with advertising in the market where it is sold or given away free of charge as a sales bonus.
  • the shopping cart can be reused for shopping, transporting laundry and other household purposes.
  • the shopping trolley has an inexpensive construction and simple assembly and is suitable for advertising purposes, for transporting bulky, irregularly large and heavy goods and the like.
  • the handle is attached to the back of the shopping trolley in the form of a U-shaped wire and can be extended and retracted.
  • the handle area is fitted with a paper tube and the wheel axle is made of a wooden rod.
  • a hand truck within the meaning of the invention, with which a larger piece of luggage can also be transported, is not described.
  • Essential parts of the shopping cart are not based on a common flat part.
  • the shopping cart includes various separate elements made of different materials, which have to be assembled. For recycling, the various materials have to be laboriously separated and recycled separately.
  • the inventive hand truck (1) with its embodiments flat hand truck (11) and hand truck with support surface (12), common sam referred to as a hand truck (1), is particularly well suited to transporting larger pieces of luggage, which, for example, are wider than the back (2) of the hand truck (11) and/or go beyond the support surface (3) of the hand truck (12). .
  • the hand truck is therefore particularly well suited for oversized items of luggage which, in terms of their width and/or depth, have larger dimensions than those of the hand truck.
  • the hand truck (1) can transport one or a few, for example 2-4, pieces of luggage.
  • the term "luggage” is understood to mean a typically solid container, which is made of cardboard, plastic or fabric, for example.
  • the hand truck (1) is not a shopping trolley and is not suitable for transporting individual purchases, for example from a grocery store.
  • the handcart (1) also does not include a pocket or bag to hold individual (shopping) items.
  • the hand truck (1) is made entirely or for the most part from cardboard. It is particularly suitable for single or infrequent use. If the hand truck (1) is no longer needed, the cardboard parts can be recycled in a cardboard recycling plant, i.e. reused. Parts that may not be made of cardboard are preferably made of other recyclable materials, so that the entire hand truck (1) is recyclable.
  • the hand truck (1) is a single-axle hand truck and comprises at least one roller (7), ie a wheel, with 2 rollers (7) often being preferred.
  • the roller (7) or rollers (7) are guided by an axle (9) which is attached to at least one roller holder (6). If the hand truck (1) has more than one roller (7), several axles (9), ie wheel axles, can also be used, with these being arranged in the same alignment and connected to the hand truck (1) via at least one roller holder (6) each are.
  • the single-axle hand truck (1) according to the invention differs significantly from 2- or multi-axle hand trucks with typically 4 or more wheels.
  • the reusable hand truck (1) comprises a rear side (2) with a handle (4) and at least one roller holder (6) and at least one roller (7) with an axis (9). If the hand truck (1) is angled in such a way that only one roller (7) or two side-by-side rollers (7) of the hand truck (1) touch the ground, the hand truck (1) with the handle (4) can be used like a conventional single-axle handcart to be pulled.
  • the handle (4) of the hand truck (1) is used to hold the hand truck (1) in a simple manner with one hand and, due to the roller holder (6) arranged on the lower area of the rear (2) with the axis (9 ) can be pulled across the floor with at least one roller (7).
  • the flat hand truck (11) consists of the back (2) with a handle (4), at least one roller holder (6) and at least one roller (7) with an axle (9), and optionally at least one adhesive tape with a cover film.
  • the back (2) or a part thereof, as well as the roller holder (6) are preferably based on a common flat part (23), i.e. they are in one piece.
  • the common flat part (23) is typically removed from flat cardboard, in particular punched.
  • the piece of luggage is attached to the back (2) of the hand truck, preferably with, for example, double-sided adhesive tape, which can be part of the hand truck (11), glued and/or, for example, by means of a fastening strap, cord and/or rubber band on the Rear (2) attached.
  • This embodiment is particularly suitable for transporting parcels, especially oversized parcels, for example when they are picked up by the post office.
  • the hand truck (12) with support surface (12) includes - a back (2) with a handle (4) and at least one roller holder (6) and at least one roller (7) with an axis (9),
  • a support surface (3) for receiving the at least one piece of luggage the support surface (3) being arranged essentially at right angles to the rear (2) and in the lower area on the rear (2),
  • At least one roller (7) with axis (9) and roller holder (6), the roller holder (6) with the roller (7) being arranged in the lower area of the back (2) or the reinforcing element (5), the back (2) or a part thereof, the support surface (3), the reinforcement elements (5) and the roller holder (6) of the hand truck (12) are based on a common flat part (23) and are therefore in one piece.
  • the support surface (3) of the hand truck (12) is preferably open to the front, i.e. it has no limit at the top, which is arranged parallel to the rear (2). To produce the common flat part (23), this is typically removed from flat cardboard, in particular punched.
  • the roller holder (6) of the hand truck (1, 11, 12) is arranged in the lower area of the rear (2) or on at least one reinforcement element (5), and the rear (2), the support surface (3), the handle (4 ), the reinforcing elements (5), the at least one roller holder (6) and optionally the at least one roller (7) and/or the axle (9) are made of cardboard or are punched out of cardboard.
  • the flat hand truck (11) has a height, ie the back length on which the handle (4) is arranged on one side and the at least one roller (7) with axle (9) on the other side, of, for example, 1 meter or 1 2 meters up.
  • the width of the hand truck (11) is, for example, 40 cm or 50 cm.
  • the depth of the hand truck is only the thickness of the rear wall (2) resp. the diameter of the roll or rolls (7).
  • the hand truck (11) can also be used to transport luggage with larger dimensions, for example with a width of 60 or 80 cm, without any problems.
  • the platform hand truck (12) may typically have the same or similar dimensions as conventional collapsible single axle hand trucks.
  • the support surface (3) - which typically protrudes at right angles from the back (2) of the hand truck (1), also known as the depth of the hand truck (12) - can have an extent of, for example, only 10 cm, or 20 cm to 40 cm, or even have more.
  • Typical dimensions (H x W x D) of the hand truck (12) are, for example, 100 x 40 x 20 cm or 120 x 50 x 30 cm.
  • items of luggage with a depth of, for example, 40, 60 or even 80 cm can also be transported. In such cases, it is advantageous for the item of luggage to be additionally attached to the trolley (12), for example by means of a fastening strap, cord and/or rubber band.
  • the cardboard is based on cellulose, wood pulp, semi-cellulose and/or waste paper and has a mass per unit area of at least 100 g/m 2 , preferably at least 150 g/m 2 , in particular at least 225 g/m 2 . m 2 , preferably at least 500 g/m 2 , measured according to DIN 6730:2017-09.
  • the cardboard preferably represents cardboard, corrugated cardboard, corrugated cardboard, cardboard, pressed cardboard, wood cardboard and/or greyboard.
  • the cardboard of the back (2), the reinforcing element (5), the roller holder (6), optionally the handle (4) and/or the at least one roller (7) can be made of the same or different cardboard.
  • the cardboard can also be chosen so that the individual components of the hand truck (1), such as the back (2), the roller holder (6), and optionally the handle (4) have the appropriate stability. It is also possible - for example, the back (2) of the hand truck (1) - to reinforce with a second or even third layer of cardboard. In addition, the cardboard - and thus also the hand truck (1) - can also be coated with a water-repellent layer such as lacquer, wax and/or paraffin.
  • the rollers (7) of the hand truck (1, 11, 12) can be conventional rollers, such as those used in known hand trucks. After removing the rollers (7), the hand truck (1) can be recycled. So that the hand truck (1) can be recycled as completely as possible, it is extremely advantageous if the rollers (7) can also be recycled.
  • the at least one roller (7) of the hand truck (1) is preferably based on a renewable raw material, a recyclable raw material and/or rubber, the renewable raw materials preferably being cardboard, wood, cork and/or plant fibers; and the recyclable raw materials are preferably metal and/or plastic, such as polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), polystyrene (PS), polyvinyl chloride (PVC), polycarbonate and/or their mixed, co- or block copolymers , represent; and rubber is preferably an elastomer such as natural or synthetic latex, rubber, ethylene propylene diene rubber (EPDM), and/or SBR.
  • PET polyethylene terephthalate
  • PE polyethylene
  • PP polypropylene
  • PS polystyrene
  • PVC polyvinyl chloride
  • EPDM ethylene propylene diene rubber
  • the at least one roller (7) is based on an inner area (71) and an outer area (72), the inner area (71) being formed from at least one layer, preferably several flat layers arranged one on top of the other , wherein the layer or layers are arranged perpendicularly to the axis of the roller (7), and the outer region (72) is in the form of a tube into which the inner region (71) is inserted with a snug fit, the inner region (71), and optionally the outer area (72) of the roll (7) is made of cardboard.
  • the outer area (72) can be based on cardboard, which is preferably coated with a water-repellent layer such as lacquer, wax and/or paraffin, or made of another, preferably water-repellent material which is also insensitive to abrasion, for example plastic.
  • a water-repellent layer such as lacquer, wax and/or paraffin
  • This embodiment allows the manufacture of the roll (7) - at least for the most part - from cardboard with significantly improved water resistance and stability, for example against mechanical wear, of the roll (7). If the outer area (72) is not made of cardboard, the entire roll (7), including the outer area (72), can usually still be sent for cardboard recycling, since small quantities such as the outer area (72) can be easily filtered out.
  • the axis (9) - and thus the entire hand truck (1, 11, 12) - is advantageously also based on cardboard, the axis (9) being, for example, on a cardboard tube with a sufficiently thick wall, for example 2 to 5 mm.
  • the rollers (7) can have a diameter of, for example, 2 to 15 cm, in particular 3 to 10 cm.
  • the width or The length of the rollers (7) depends in particular on whether only one roller (7) or two or more rollers are arranged per edge length. If only one roll (7) is used, its length can be, for example, 15 to 45 cm, depending on the edge length. If two rollers (7) are arranged next to one another, their length can be, for example, 1 to 10 cm, in particular 1.5 to 6 cm.
  • the rear (2) represents a flat rear (21) and optionally comprises at least one guide element (22), the handle (4)
  • the hand truck (1) with the handle (4) can be moved in a comfortable manner, in particular pulled or pushed.
  • the back (2) is preferably a flat back (21).
  • the handle (4) can be reversibly integrated into the back (21) and opened up again. This allows a particularly efficient production of the handle (4) without additional elements.
  • the handle (4) can also be easily opened and closed. If it is closed, it is fully integrated into the back (21) and has no disruptive elements.
  • the back (21) is preferably multi-layered and comprises a first and a second flat back (21), the second flat back (21), ie a further layer of cardboard, resulting from the opening of the handle (4). Opening in the first flat back (21) covers.
  • Such a further layer of cardboard is preferably applied to the back (2, 21) at the factory or when folding, ie assembling, the hand truck (1).
  • the handle (4) represents at least one opening (8) in the flat back (21), the opening (8) serving as a handle for at least one hand, the handle (4) is preferably in the upper area of the back (21) arranged and typically has an elongated shape.
  • the handle (4) in this embodiment can be produced in an extremely simple manner--for example, it can also be punched out of cardboard. There is also no risk of it breaking off.
  • the handle (4) is arranged on a pull-out rail (41) and guided by at least one guide element (22), the handle (4) can be pulled out and retracted again in a known manner. If the handle (4) and the pull-out rail (41) are pulled out, the trolley (1) can be easily pulled or pushed.
  • the pull-out rail (41) can be in the form of one pull-out rail or two pull-out rails arranged parallel to one another. Become two parallel Used pull-out rails, the stability of the connection of the handle (4) with the hand truck (1) is increased.
  • the flat back (21) is multi-layered, with a guide element (22) being arranged between the first and second flat back (21), through which - and in which - the pull-out rail (41) is guided, the The guide element (22) and the pull-out rail (41) are flat, and the pull-out rail (41) with the handle (4) is sunk in a position A between the first and second flat rear side (21) and can be pulled out reversibly into a position B can.
  • This embodiment not only reinforces the back (2, 21), but also allows the reversible change of the handle (4) from position A, in which the handle is sunk into the back, to position B, in which the handle (4) and the pull-out rail (41) are pulled out.
  • This embodiment leads to a particularly advantageous and simple handle (4) that can be pulled out and retracted in a reversible manner.
  • the optionally used at least one pull-out rail (41) preferably has a projecting element (42), for example in the form of a barb in the pull-out direction or in the form of a square or rectangular element, in order to reduce the distance at which the at least one pull-out rail (41) can be pulled out of the guide element (22), wherein the cantilevered element (42) is typically limited by a stopper of the at least one guide element (22).
  • the handle (4) is an extendable handle (4) and the at least one extension rail (41) is formed in one piece and the handle (4) is therefore part of the extension rail (41).
  • They are preferably made from cardboard, in particular stamped from cardboard. This allows not only easy manufacture, but also recycling together with the other parts of the cart (1) made of cardboard.
  • the at least one roller (7) is preferably fixed on both sides by a roller holder (6), wherein a roller holder (6) can surround a roller (7) and can thus hold the roller (7) on both sides.
  • a roll holder (6) is attached to both sides of the roll (7) in order to optimally fix the roll (7).
  • a roller holder (6) can be arranged between two rollers (7) and thus accommodate a roller (7) on both sides. It is particularly helpful if a roller (7) is attached in the area of each roller holder (6).
  • a roller holder (6) can be arranged between two rollers (7) and thus accommodate a roller (7) on both sides.
  • the roller support (6) is in the form of openings into which the axle (9) of the roller or rollers (7) is inserted.
  • a roller holder (6) is preferably attached to each side of the hand truck (1).
  • the roller holder (6) is preferably arranged in the lowest lateral area of the rear (2), with the roller holders (6) being able to be folded in at an angle to accommodate the axle (9).
  • roller holders (6) can be arranged analogously to the hand truck (11).
  • the roller mounts (6) are attached in the form of openings in the two lower lateral reinforcement elements (5, 52).
  • the at least one roller (7) is firmly connected to the axle (9), for example in one piece, so that when the hand truck (1) is moved, the roller (7) rotates with the axle (9) in the roller holder (6), or
  • the at least one roller (7) rotates when the hand truck (1) is moved about the axis (9), as a result of which the axis (9) is firmly connected to the roller mount (6).
  • the roller (7) and the axle (9) can be produced as separate components and plugged into one another when the hand truck (1) is folded up.
  • the at least one roller (7) is attached in the lower area of the hand truck (1), preferably below the support surface (3), if present.
  • the roller (7) has an axis (9), resp. is attached to an axle (9).
  • the roller (7) and the axle (9) can be in one or more parts.
  • the axle (9) of the roller or rollers (7) is attached to the roller bracket (6).
  • the roller (7) can have an elongate dimension and, for example, extend over more than half of the bearing surface (3), whereby only one roller (7) is required.
  • two rollers (7) are arranged in the end area of the axle (9). Both the roller or rollers (7) and the axle (9) are preferably made of cardboard.
  • the upper lateral reinforcement element (51) also being able to be in the form of a cord or a strap, and
  • - optionally comprises a lower front reinforcement element (53) which is arranged on that side of the support surface (3) which is opposite the rear side (2), the lower front reinforcement element (53) preferably being connected to the support surface (3), the back (2), the supporting surface (3), the upper lateral (51), lower lateral (52) and/or lower front (53) reinforcement elements (5) preferably having one or more tabs (54) to the supporting surface (3) to give the hand truck (1) additional stability.
  • the tabs (54) can be attached to the back (2), the bearing surface (3) and/or to the reinforcing elements (5, 51, 52, 53) for example by means of double-sided adhesive tape and/or by means of a plug connection.
  • At least one reinforcement element (5) preferably connects the bearing surface (3) to the rear side (2).
  • the roller holder (6) is arranged in a reinforcement element (5), in particular in a lower lateral reinforcement element (52).
  • roller holder (6) of the hand truck (12) can be attached to the back (2), or a part thereof, to the support surface (3) and/or to at least one reinforcement element (5, 52). Two roll holders (6) can also be placed one on top of the other in order to increase their stability.
  • the handle (4) is created in the form of an opening (8) in the back (2).
  • the fold lines are typically made with a tool or machine, particularly during the die-cutting process to remove the sheet (23) from the paperboard sheet, to allow the individual panels and flaps (54) to be folded quickly, easily and in the correct location. This step is usually done at the factory.
  • the flat part (23) obtained, together with the at least one roller (7) with axis (9) and optionally other optional elements such as the at least one guide element (22) and the at least one pull-out rail (41), can advantageously be folded together flat Handcart (1*) packed and transported to the destination.
  • the support surface (3) and the reinforcement elements (5) and, if necessary, the tabs (54) are also folded using folding lines , i.e. folded edges, from- separated from each other in such a way that they can easily be folded.
  • the flat part (23) - or a part thereof - can consist of one or more layers of cardboard.
  • the handcart (1) is needed, the handcart (1*), folded flat, is unpacked if it is packed.
  • the at least one roller (7) if it is not already connected to the axle (9), is inserted into the axle (9) and fastened to the roller holder (6), in particular clamped, with typically the Axle (9) of at least one roller (7) for fixing the roller (7) engages in the roller holder (6).
  • step iii) the supporting surface (3) of the hand truck (12) is folded out—preferably at right angles—and the reinforcing elements (5) are folded in and, if necessary, glued.
  • method steps b) and c) can be carried out in any order.
  • the handle (4) of the hand truck (1) is cut, in particular punched, into the flat part (23) when the handle (4) is formed from the flat rear side (21), whereby the handle (4) can be swung open for use, in particular reversibly swung open; if the handle (4) has at least one opening (8) in the flat rear side (21), the opening (8) is punched out of the flat part (23) and any cardboard residue is removed, so that the opening (8) can be used as a handle for one hand can serve; or if the handle (4) is arranged on at least one pull-out rail (41), the at least one pull-out rail (41) in the at least one guide element (22) is inserted, whereby the pull-out rail (41) with handle (4) can be reversibly pulled out of the at least one guide element (22) and retracted again.
  • the handle (4) of the hand truck (1) is formed from the flat rear side (21), it can be opened reversibly.
  • the handle (4) is typically produced at the factory, in particular the flat rear side (21) is stamped, with part of the handle (4) advantageously remaining connected to the rear side (21), as shown in FIG.
  • the handle (4) can only consist of one layer of the flat part (23) and a further, optional layer, i.e. a second flat rear side (21), can cover the opening of the opened handle (4).
  • This embodiment of the handle (4) can be made easily—and typically at the factory—and requires no further components, such as a pull-out rail.
  • the handle (4) is already integrated in the back (2), which means that no additional work step is required when assembling the hand truck (1).
  • the handle (4) can be folded out each time it is used and then folded back again so that it is integrated flat into the back (2).
  • the handle (4) of the hand truck (1) has at least one opening (8) in the flat back (21), the opening (8) can be punched into the flat part (23) in a simple manner and typically at the factory.
  • This embodiment of the handle (4) does not include any element that can be torn off or removed. In addition, no additional operation is required when assembling the hand truck (1).
  • the handle (4) of the hand truck (1) is arranged on at least one extension rail (41), the handle (4) with the extension rail (41) can be in at least one guide element (22) and on the flat rear side (21) of the hand truck (1) are attached so that the handle (4) with Pull-out rail (41) can be pulled out and retracted in a known manner and in particular reversibly.
  • the back (2) is a flat back (21), the flat back (21) being formed in multiple layers, comprising a first and a second flat back (21), the first or second back ( 21) is part of the flat part (23), with a guide element (22) preferably being arranged, in particular glued, between the first and second flat rear side (21), through which the pull-out rail (41) is guided, the guide element (22 ) and the pull-out rail (41) are flat, and the pull-out rail (41) with the handle (4) is sunk in a position A between the first and second flat rear side (21) and can be pulled out reversibly into a position B.
  • the multi-layer, flat rear side (2, 21) is produced in the factory. This embodiment leads to a particularly advantageous and simple handle (4) that can be pulled out and retracted in a reversible manner.
  • the at least one guide element (22) and the at least one pull-out rail (41) are punched out of and removed from a flat layer of cardboard, and b. the pull-out rail (41) obtained in this way is inserted into the guide element (22) obtained, the guide element (22), but not the pull-out rail (41), being fastened, in particular glued, between the first and second flat rear side (21), with a multi-layer flat back (2, 21) is obtained, whereby the pull-out rail (41) with handle (4) between the first and second back (21) reversibly sliding between position A, ie the handle (4) is in the multi-layer flat back ( 21 ) sunk, and position B, ie the handle (4) is pulled out of the flat back (21) reversibly, can be moved.
  • the flat part (23) of the hand truck (1) removed from the flat cardboard is folded together, preferably along the fold lines, and together with the at least one roll (7) with axis (9 ) packaged together by means of packaging, whereby a folded, packaged hand truck (1*) is obtained, and ii) the folded, packaged hand truck (1*) after removal of the packaging according to method step b, ie that the at least one roller (7) with axle (9) is attached to the roller holder (6), in particular clamped, and optionally method step c of the method according to the invention for manufacturing the hand truck (1), i.e. the support surface (3) of the hand truck (12) is folded up and the reinforcing elements (5 ) are folded and glued if necessary, to handcart (1, 11, 12) is assembled.
  • a folded and packaged hand truck (1*) obtained in this way is an extremely suitable semi-finished product that can be transported, stacked and stored in a space-saving manner. It can also be easily assembled, i.e. folded, into a hand truck (1) without prior knowledge. After the hand truck (1) has been used, it can be folded up again and stored as a hand truck (1*) until it is used again, provided it is not yet disposed of.
  • the at least one roll (7) is produced by providing an inner area (71), in particular by punching it out of flat cardboard, the inner area (71) being made of at least one layer, preferably of several flat layers arranged one on top of the other.
  • the several flat layers are preferably glued to one another, it being possible for the flat layers to be glued to one another before or after the stamping.
  • the stamped inner areas (71) typically have a round shape.
  • the outer area (72) is in the form of a tube, ie the outer area (72) is advantageously cut off from a longer tube.
  • the inner diameter of the outer area (72) preferably corresponds to the outer diameter of the inner area (71), so that the inner area (71) can be inserted with a precise fit into the outer area (72).
  • the width of the outer area (72) and the inner area (71) are advantageously identical to one another.
  • the inner area (71) and optionally the outer area (72) of the roll (7) are preferably made of cardboard.
  • the rollers (7, 71) helpfully have an opening in the center for receiving the axle (9).
  • the axle (9) is preferably made from a cardboard tube with a sufficiently thick wall, for example from 2 to 5 mm, by cutting it to the desired length.
  • the hand truck (1) according to the invention and thus the flat hand truck (11) and the hand truck with a support surface (12), and the hand truck (1) produced according to the invention are used in particular as a hand truck for transporting pieces of luggage, in particular for one-time or few-time use, i.e. for the 2nd - used up to 10 times, preferably 2 to 5 times, to transport items of luggage.
  • the hand truck (1) is preferred for transporting items of luggage, in particular oversized items of luggage, which are narrower in terms of their width and/or depth have larger dimensions than those of the hand truck and/or of luggage from shops, airports, railway stations and/or post offices.
  • the hand truck (1) can be folded up after use and stored to save space. Before the next use, the hand truck (1) is then unfolded and assembled again. This procedure is particularly advantageous when the parts of the hand truck (1) that can be reversibly assembled are not glued, but merely plugged together, folded together and/or reversibly connected to one another, for example by means of Velcro.
  • the hand truck (1) If the hand truck (1) is no longer used, it can—advantageously completely—be recycled. Thus, it can be recycled as cardboard after use, and if the at least one roll (7) and / or the axle (9) are not made of cardboard, the roll or rolls (7) and / or axle (9) before be removed, ie reused, by recycling. If the roller (7) and/or axle (9) is made from another recyclable material, this can also be recycled. This increases the sustainability and thus the environmental balance of the hand truck (1). In addition, there is little or no waste.
  • Fig. 1 shows an example of the flat hand truck (1, 11) according to the invention, consisting of the back (2), preferably in the form of a flat back (21), a handle (4), for example in the form of an opening (8), which in the upper Area, ie on the rollers (7) opposite side of the back (2) is arranged, two laterally arranged roller holders (6) in the lower Area laterally on the back (2, 21) are arranged, and two rollers (7) with axis (9) which engages in the roller mounts (6).
  • the axle (9) has a notch (not shown) at each of its ends, into which the roller mounts (6) engage and are thereby fastened.
  • the at least one piece of luggage can, for example, be glued to the rear by means of at least one adhesive strip, i.e. adhesive tape, typically based on a double-sided adhesive strip, which is attached to the side of the flat rear (2, 21) facing away from the rollers (not shown). .
  • adhesive strip i.e. adhesive tape
  • This is particularly suitable for parcels that are picked up at a post office, for example.
  • the at least one piece of luggage to be transported can be fastened to the back, for example by means of a cord or an elastic band, for example by notches in the back (2, 21).
  • trolley (11) is particularly suitable for picking up and transporting oversized pieces of luggage that extend laterally over the rear (2, 21).
  • Fig. 2 shows the flat hand truck (1, 11) from Fig. 1 as a packed hand truck (1 *) with the common flat part (23) comprising the back (2) in the form of the flat back (21) with the handle (4 ) in the form of an opening (8), and the two folded roll holders (6), which are mounted in the lower lateral area of the back (2).
  • the packed hand truck (1*) also includes, for example, two rollers (7) which are arranged on a common axis (9).
  • Fig. 3 shows an example of the hand truck (1) according to the invention in the form of the hand truck with a support surface (12) comprising a rear side (2) with a handle (4), a support surface (3), several reinforcement elements (5) and two roller holders (6) and two rollers (7) with an axis (9) which are inserted in the laterally arranged roller holders (6).
  • the axle (9) has a notch (not shown) at each of its ends, into which the roller mounts (6) engage and are thereby fastened.
  • the rear (2) is in the form of a flat rear (21) and the handle (4) in the form of an opening (8).
  • the bearing surface (3) is connected to the rear side (2, 21) with two upper lateral reinforcement elements (5, 51).
  • the roller mount (6) is in the form of an opening in the lower lateral reinforcement members (5, 52). The latter are connected to the rear (2, 21) and the lower front reinforcement element (5, 53), as a result of which the support surface is additionally stabilized.
  • Fig. 4 shows an example of the common flat part (23) of the hand truck (1, 12) comprising a rear side (2) which is designed as a flat rear side (21), the handle (4) in the form of an opening (8) which Support surface (3), the reinforcement elements (5) in the form of the upper lateral reinforcement elements (5, 51) to which tabs (5, 54) are attached, as well as the lower lateral reinforcement elements (5, 52) and the lower front reinforcement element (5, 53 ).
  • the roll holder (6) On the lower lateral reinforcement elements (5, 52) is the roll holder (6) in the form of a Opening arranged to receive the roller or rollers (7) with axle (9).
  • the support surface (3) has an elongated opening on each side, into which the small tab of the lower lateral reinforcement elements (5, 52) can be inserted, whereby the lower lateral (5, 52) and the lower front reinforcement element (5, 53) be stabilized.
  • the tabs (54) each have an elongated adhesive strip (not shown) with which the tabs (54) can be glued to the support surface (3). If the small tab of the lower lateral reinforcement element (5, 52) is folded after insertion in the oblong opening of the support surface (3), it is covered and thereby stabilized by the flap (54), which is glued to the support surface (3).
  • Fig. 5 shows an example of the folded common flat part (23) of Fig. 4 of the folded and packed hand truck (1 *) comprising the back (2), which is designed as a flat back (21), the handle (4) in shape an opening (8), the support surface (3), the reinforcement elements (5) in the form of the upper lateral (51), lower lateral (52) and lower front (53) reinforcement elements (5).
  • the roller holder (6) is arranged in the form of an opening on the lower lateral reinforcement elements (5, 52) for receiving the roller or rollers (7) with axis (9).
  • the tabs (54) are covered and not shown.
  • the packed hand truck (1*) also includes the two rollers (7) with the axle (9).
  • Fig. 6 shows a hand truck with a support surface (1) with a handle (4) which is formed from the flat back (21) and can be opened. This embodiment is shown as an example on the hand truck with a support surface (12).
  • the hand truck (12) comprises the rear (2, 21) with handle (4), at least one roller holder (6) and at least one roller (7) with axis (9, covered).
  • the hand truck (12) comprises a support surface (3, concealed) and reinforcement elements (5) comprising the upper lateral (51) and lower lateral (52) reinforcement elements (5).
  • the handle (4) is cut or punched out of the flat rear side (2, 21) except for two upper fold edges and can easily be folded open. If it is no longer needed, for example for transport by bus, car, train, plane or ship, it can simply be reversibly folded back, whereby it is integrated into the back (2, 21) (shown in dashed lines).
  • This one back (21) can be reinforced with a second back (21), which also covers the openings of the unfolded handle (4).
  • Fig. 7 shows a hand truck (1) with a reversibly retractable and extendable handle (4). This embodiment is shown as an example on the hand truck with a support surface (12).
  • the hand truck (12) comprises the rear (2, 21) with handle (4), at least one roller holder (6), at least one roller (7) with axis (9, covered), bearing surface (3, covered) and reinforcement elements (5 ) comprising the upper lateral (51) and lower lateral (52) reinforcement elements (5).
  • the flat back (21) is multi-layered, with the pull-out rail (41) with the handle (4) being integrated between the first and second flat back (21).
  • the handle (4) can be reversibly pulled out of a position A, in which the handle (4) is retracted between the first and second flat rear side (21), into a position B - as shown.
  • the handle (4) can, for example, be folded out of the pull-out rail (41) from a lower position. This makes it easier to pull the handcart (1, 12) since the person pulling does not have to lower himself as much.
  • FIG 8a shows an example of the flat pull-out rail (41) with the handle (4) folded in, for example, and projecting elements (42), which are arranged in the flat guide element (22).
  • the pull-out rail (41) and the guide element (22) are arranged between a first and a second flat rear side (21) (not shown), so that the rear side (21) has a multilayer design.
  • This representation shows the pull-out rail (41) in position A, in which the pull-out rail (41) and the handle (4) are sunk into the back (2, 21).
  • Fig. 8b shows the flat pull-out rail (41) with handle (4) and the flat guide element (22) from Fig. 8a, the handle (4) being opened and together with the pull-out rail (41) out of the guide element (22) into the Position B is extended.
  • the pull-out rail (41) is held by the two projecting elements (42) arranged laterally in the lower area, which are arranged in the upper area of the guide element (22).
  • the pull-out rail (41) can be pushed back and forth between position A and position B.
  • the pull-out rail is only delimited by the lateral delimitations of the first and second flat rear side (21) and the guide element (21).
  • FIG. 8c shows an example of the second flat rear side (2, 21), which covers the flat guide element (22) and the pull-out rail (41) of FIGS. 8a and 8b on one side.
  • the first flat rear side (21) with the roller holder (6) and optionally the support surface (3) and reinforcement elements (5) is arranged.
  • rollers (7) which are based on an inner area (71) and an outer area (72), the inner area (71) being formed, for example, from a plurality of layers arranged one on top of the other. These layers are arranged perpendicularly to the axis of the roller (7) which passes through the center of the rollers (7).
  • the outer area (72) of the rollers is typically in the form of a tube into which the inner area (71) is inserted with a precise fit, the inner area (71) and preferably also the outer area (72) of the roller (7) are made of cardboard.

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

Abstract

L'invention concerne un chariot à bras à axe unique pliable et recyclable (1) destiné à recevoir au moins un bagage, comprenant une face arrière (2) dotée d'une poignée (4), au moins un support de rouleau (6) et au moins un rouleau (7) doté d'un axe (9), i) le chariot à bras (1) étant un chariot à bras plat (11) constitué d'une face arrière (2) dotée d'une poignée (4), d'un support de rouleau (6), d'un rouleau (7) doté d'un axe (9), et éventuellement d'au moins une bande adhésive dotée d'un film de couverture ou ii) le chariot à bras (1) étant un chariot à bras doté d'une surface de support (12), comprenant la face arrière (2) dotée d'une poignée (4), d'au moins un support de rouleau (6), d'au moins un rouleau (7) doté d'un axe (9), d'une surface de support (3) destinée à recevoir ledit bagage et un élément de renforcement (5) destiné à fixer la surface de support (3) d'une manière angulaire. La face arrière (2), la surface de support (3), la poignée (4), l'élément de renforcement (5), ledit support de rouleau (6) et éventuellement ledit rouleau (7) et/ou axe (9) sont composés de carton ou découpés dans du carton et sont ainsi recyclables. L'invention concerne également un procédé de production du chariot à bras (1) et son utilisation.
PCT/EP2021/071163 2020-08-06 2021-07-28 Chariot à bras à axe unique pliable et recyclable WO2022028983A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20189791.5 2020-08-06
EP20189791 2020-08-06

Publications (1)

Publication Number Publication Date
WO2022028983A1 true WO2022028983A1 (fr) 2022-02-10

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Application Number Title Priority Date Filing Date
PCT/EP2021/071163 WO2022028983A1 (fr) 2020-08-06 2021-07-28 Chariot à bras à axe unique pliable et recyclable

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WO (1) WO2022028983A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3087740A (en) 1961-01-23 1963-04-30 Mitty Sol Corrugated shopping cart and parts
US3492016A (en) 1968-04-18 1970-01-27 Dennis J O Connor Wheeled vehicle
EP0410772A2 (fr) 1989-07-28 1991-01-30 Jan Cornel Engelbrecht Chariot à main
US6761366B1 (en) * 2001-06-04 2004-07-13 Waterloo Industries Mobile tool carrier
DE102012211563A1 (de) 2012-07-03 2014-01-09 Go-Trolley Gmbh Trolley mit recyceltem und/oder recycelbarem und/oder biologisch abbaubarem Material
KR20150002954U (ko) 2014-01-22 2015-07-30 (주) 대진 일회용 쇼핑카트
US20190359241A1 (en) 2017-03-17 2019-11-28 Eric G. Parker Collapsible Personal Trolley

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3087740A (en) 1961-01-23 1963-04-30 Mitty Sol Corrugated shopping cart and parts
US3492016A (en) 1968-04-18 1970-01-27 Dennis J O Connor Wheeled vehicle
EP0410772A2 (fr) 1989-07-28 1991-01-30 Jan Cornel Engelbrecht Chariot à main
US6761366B1 (en) * 2001-06-04 2004-07-13 Waterloo Industries Mobile tool carrier
DE102012211563A1 (de) 2012-07-03 2014-01-09 Go-Trolley Gmbh Trolley mit recyceltem und/oder recycelbarem und/oder biologisch abbaubarem Material
KR20150002954U (ko) 2014-01-22 2015-07-30 (주) 대진 일회용 쇼핑카트
US20190359241A1 (en) 2017-03-17 2019-11-28 Eric G. Parker Collapsible Personal Trolley

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