WO2021150098A1 - Chariot de courses convertible en diable de charge - Google Patents

Chariot de courses convertible en diable de charge Download PDF

Info

Publication number
WO2021150098A1
WO2021150098A1 PCT/MX2020/000034 MX2020000034W WO2021150098A1 WO 2021150098 A1 WO2021150098 A1 WO 2021150098A1 MX 2020000034 W MX2020000034 W MX 2020000034W WO 2021150098 A1 WO2021150098 A1 WO 2021150098A1
Authority
WO
WIPO (PCT)
Prior art keywords
cart
base
basket
laminar element
tubular structure
Prior art date
Application number
PCT/MX2020/000034
Other languages
English (en)
Spanish (es)
Inventor
Brian Alejandro FRANCO CEJA
Original Assignee
Franco Ceja Brian Alejandro
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 Franco Ceja Brian Alejandro filed Critical Franco Ceja Brian Alejandro
Publication of WO2021150098A1 publication Critical patent/WO2021150098A1/fr

Links

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
    • 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
    • B62B3/14—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by provisions for nesting or stacking, e.g. shopping trolleys

Definitions

  • the present invention is related to the technical field of Mechanics, since it provides a useful trolley for running errands, the advantage of which is that it is convertible into a "cargo truck" to transport heavier loads.
  • Patent document WO1992014638 discloses a folding shopping cart consisting of a main body 1 that has holes 6 on each side in its lower part where projections with holes 10 of a base 9 arranged at an angle are inserted. straight with the main body 1, since the two ends of the base 9 are in contact with the lower horizontal part of the main body 1.
  • the base 9 stops and is locked at right angles to the main body 1 by the joint two main parts, a male part 31 and a female part 35, left and right.
  • the male part 31 has a rectangular reception 33 in which a rectangular projection 13 of the base 9 fits firmly, thus achieving a simultaneous rotation of the base 9 and the male part 31.
  • the male part 31 has a hole 32 in its center that coincides with the hole of the projection 10 of the base 9, and has teeth 34 around the hole 32 that interlock with the cavities of some teeth 37 of the female part 35 that are around a hole 36 of said female part 35.
  • a shaft 24 which has six notches 25 in the appropriate locations that receive safety clips 28.
  • a washer 27 is placed between the compression spring 29 and the safety clip 28 to prevent the shaft 24 from shifting sideways.
  • the main body 1 has in its upper internal part, on each side of a handle 2, some ribs with receptacles 3 where the straight ends of a frame 14 fit to be supported and rotated on the main body 1. When pulling a handle 19, the sides of the frame 14 are opened by creating friction with the internal sides of the main body 1.
  • a plug 16 is fixed constantly at each end of the frame 14 whose lateral movement is stopped by the receptacle rib 3 of the main body 1.
  • the frame 14 supports the upper part of the a flexible synthetic net 30 whose lower side is fixed on the base 9 by a wire 38 whose shape coincides with the perimeter shape of the base 9, and which clicks into sockets 11 of the base 9.
  • the two vertical sides of the network 30 are supported by a cable 39 that clicks into the holes 7 that exist in the internal vertical sides of the main body 1.
  • the main body 1 has in its upper and inner part some sockets 4 where they enter and The legs of the metal handle 19 slide, into which special plugs 22 are inserted with a safety spigot 23 or other means to secure them in place.
  • the handle 19 has on its upper part a plastic or elastic cover 21. When the handle 19 is lowered, its upper part coincides with the shape of the handle 2 and, therefore, does not block its opening.
  • the handle 19, the frame 14 and the base 9, although not connected to each other, are assembled and configured in such a way that a simultaneous and interrelated deployment is achieved when the handle 19 is pulled up, preparing the trolley for loading.
  • the handle 19 When the carriage is closed, the handle 19 is fully inserted into the main body 1 and the curves 20 of the handle 19 allow enough space for the frame 14 to be positioned vertically closed within the main body (1).
  • the packing rings 17 that are fixed on the angle leg 15 of the frame 14, are located above the curves 20 of the handle 19.
  • the base 9 is closed vertically with the teeth 34 of the male part 31 disjoined of the cavities of the teeth 37 of the female part 35.
  • the curves 20 press the packing rings 17 and, in Consequently, the angles 15 that work as levers force the frame 14 to rise immediately and at the same time open the base 9.
  • the special plugs 22 at its ends prevent it from coming out. of its sockets 4 of the main body 1 and, at the same time, interlock with the teeth 5 of the main body 1.
  • the handle 19 when in its highest position supports the frame 14 at right angles to the main body 1.
  • the vertical legs of the handle 19 are not exactly parallel to each other, but the distance between their ends is slightly greater to achieve immediate interlocking of the special plugs 22 with the teeth 5 of the main body 1, because in this case, the legs handle 19 works like a spring.
  • the plugs 4 of the main body 1 have tolerances to allow the legs of the handle 19 to move enough so that the special plugs 22 are locked or unlocked from the teeth 5 of the main body 1.
  • the user presses the legs of the handle 19 simultaneously inwards and downwards, so that the special plugs 22 are unlocked from the teeth 5 of the main body 1; then lower the handle 19 until it stops, and its curves 20 allow enough space for the angles 15 of the frame 14 to fall, and finally the base 9 is closed.
  • the packing rings 17 must be made of plastic or elastic material to reduce the friction between the handle 19, which can be made of aluminum, and the metal frame (14).
  • the teeth 5 of the main body 1 may be inclined at 45 ° instead of a right angle. In this case, the locking of the special plugs 22 of the handle 19 is less strong, and the handle 19 can be lowered with a simple downward push.
  • a flexible synthetic textile such as fabric 18.
  • bolts 12 can be added under the base 9, preferably metal bolts.
  • the folding shopping cart of document WO1992014638 (Al) has a basket made of a net 30 or fabric 18, which is not removable from the support structure; because the frames 14 and 1 that support the net (30) or fabric (18) are fixed; Furthermore, the area of the base 9 is delimited by the wheels, which means that in the cart of said document WO1992014638 (Al), only things or objects that have a place in the space included in the base and the net basket can be transported. or fabric; therefore, larger objects cannot be transported, in other words it cannot be used as a cargo "devil".
  • the folding cart of document WO1992014638 (Al) has a very complicated construction, requiring several components; and the problem that is solved with said shopping cart is that it is foldable to be able to compact it and be transported and stored easily.
  • Patent document W02013073500 also describes a folding transport trolley, which is formed, separately, by a support and drive frame 11 and a base 13.
  • the support and drive frame 11 is made up of telescopic bars 25, 27, 28 and 29, to make it extensible and / or retractable, and has a handle 30 at the upper ends of the bars 29 to hold and pull it.
  • the base 13 is also configured by a vertical quadrangular frame and a horizontal quadrangular frame, which are foldable among themselves; the vertical frame is made up of vertical bars 17 and some crossbars 18 having forks 26 where the bars 25 of the support frame 11 are inserted and fixed; and the wheels 21 are fastened at the lower end of the bars 17 of the vertical frame.
  • Said trolley can be used as a transport trolley by directly mounting a storage box or other item on it while the conveyor frame (11) is unfolded.
  • this folding cart has a base 13 that would allow it to transport heavy objects larger than said base, but it would be difficult to achieve it, because the support and drag frame 11 has a very fragile configuration because it is fragmented into bars. telescopic 25, 27, 28 and 29.
  • Figure 1 is an exploded view of the components that make up the tubular structure of the shopping cart that is convertible into a "loading dolly", according to the present invention.
  • Figure 2 is a conventional perspective view of the tubular structure of the "loading trolley” convertible shopping cart, according to the present invention, in an assembled condition.
  • Figure 3 is an exploded perspective view of the trolley convertible into a "loading devil” of the present invention, where a laminar element is observed to form a basket.
  • Figure 4 is a conventional perspective view of the shopping cart convertible into a "loading dolly", in its assembled condition.
  • Figure 5 is a rear perspective view of the trolley convertible into a "loading dolly" of the previous figure.
  • Figure 6 is a conventional perspective view of the shopping cart in question, with things and objects inside the basket.
  • Figure 7 is a conventional perspective view of the shopping cart, where its use as a "loading dolly" is illustrated.
  • the present invention refers to a manually operated shopping cart, with the advantage of being used as a "loading dolly", due to the fact that it has a removable basket; in such a way when it has the basket, it is a cart to go to the grocery store and when said basket is removed it can be used as a "loading devil” to transport things or objects with dimensions greater than the dimensions of the base of the cart in question.
  • the shopping cart which can be converted into a "loading dolly", according to the present invention, is made up of a tubular structure that has: a vertical section (1), a lower perpendicular section (2 ), and a transverse axis (3) at the point where the vertical (1) and perpendicular (2) sections converge.
  • the structure is tubular in order to be light, so it can be made of light materials, but resistant to weight, to the conditions environmental, etc. as it will be put to rough use.
  • it can be made of light metals, such as aluminum, plastics, fiberglass, to name a few examples.
  • a vertical backrest (4) is fixed from the transverse axis (3) to close the area delimited by the vertical section (1), but without completely covering said area, to allow a user to hold to pull or push the cart at the top of the vertical section (1); and a base (5) is fixed and covers the entire area delimited by the transverse axis (3) and the perpendicular section (2).
  • the main purpose of the backrest (4) and the base (5) is that they will be part of the basket of the errand cart in question.
  • the cart of the present invention comprises a removable laminar element (9) capable of forming, together with the back (4) and the base (5), a basket or container (8) where things or objects are contained and transported (12) , see figure 6; where said laminar element (9) has fastening means (10) distributed on its perimeter edge that allow it to be strongly attached to the tubular structure, but at the same time to be easily removed from said tubular structure.
  • Both the backing (4), the base (5), and the laminar element (9), can be selected from the following group: sheets, plates, meshes, bars, strips, fabrics, membranes, canvases, etc .; and be made of materials resistant to weight, environmental conditions, etc. and suitable to be adhered to the tubular structure; such materials can be plastics, polymers, woods, natural and / or synthetic fibers, and / or combinations of these materials, to name a few examples.
  • the laminar element (9) can be substantially rectangular, so it can be a band, girdle, tape, fringe, edging, strap, strip, etc., so that it can adapt to the tubular structure of the cart and together with the backrest (4) and the base (5), make up the basket or container (8). It is also preferred that said element (9) is flexible to facilitate its placement and removal from the tubular structure, and to be rolled and / or folded when it is desired to be stored.
  • the fastening means (10) of the laminar element (9), can be any means or element that allows the laminar element (9) to be firmly attached to the tubular structure of the cart and that supports the weight of things and objects (12) that They will be transported in the basket (8), for example they can be: clasps, buttons, hooks, shackles, protrusions, gutters, points, rails, clamps, ropes, slats, slits, parts of the closure system, parts of a sailboat, and their combination between them, to name a few examples.
  • the tubular structure of the cart in question can optionally comprise receiving means (11) to receive or couple to the holding means (10), where said receiving means (11) are made and located in the tubular structure, so that they perfectly coincide with the fastening means (10) that are distributed on the perimeter edge of the laminar element (9).
  • Some examples of the receiving means (11) can be: perforations, holes, slits, cavities, gutters, stops, rails, the parts of a closure system, the parts of a sailboat, and their combination among them, among other examples.
  • Said shopping trolley in question, also comprises, at least, one rolling element (6) which is strategically fixed in the lower part of the perpendicular section (2), and allows the trolley to slide when it is pushed or pulled.
  • the rolling element also comprises clamping elements (13) to join the rolling element (6) in the lower part of the perpendicular section (2), where said clamping means (13) must allow the rolling element ( 6) rotate in all directions.
  • the rolling element can be: rims, wheels, tires, rollers, spheres, vouchers, rings, rings, etc.
  • One embodiment of the trolley according to the present invention is that it can optionally comprise, at least, one support (7) strategically placed in the lower part of the perpendicular section (2) useful for vertical stability to the trolley for orders when is at rest; Therefore, said support (7) must have the same height as the rolling elements (6).
  • This support (7) is preferred or required when the shopping cart only has one or two bearing elements (6) and they need the support (7) to give it stability in a rest position (as seen in figures 6 and 7). Therefore, in this mode, means (14) must be provided to hold the support (7) at the bottom of the perpendicular section (2), where said means (14) allow the support (7) to be fixed. and / or folding.
  • a further embodiment of the cart proposed by the present invention is that it can optionally comprise a cover (not illustrated) to close the upper part of the basket.
  • the cover can be made of the same material from which the backing (4), base (5) or the laminar element is made.
  • Said cover can be an extension of the backrest (4), and / or of the laminar element (9) or be a totally independent piece. Therefore, the lid must also comprise fastening means so that it is fastened to the upper edge of the basket (8).

Landscapes

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

Abstract

L'invention concerne un chariot de courses, convertible en "diable de charge", qui comprend: une structure tubulaire formée d'une section verticale (1), d'une section inférieure perpendiculaire (2) et d'un axe transversal (3) au point de liaison des deux sections (1 et 2); un dossier vertical (4) se fixe depuis l'axe transversal (3) dans la section verticale (1); une base (5) se fixe et couvre toute la zone délimitée par l'axe transversal (3) et la section perpendiculaire (2); un élément laminaire démontable (9) permettant de former, avec le dossier (4) et la base (5), une corbeille (8) pour transporter des choses ou des objets (12); au moins, un élément de roulement (6) se fixe stratégiquement dans la partie inférieure de la section perpendiculaire (2).
PCT/MX2020/000034 2020-01-24 2020-10-20 Chariot de courses convertible en diable de charge WO2021150098A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MX2020000031 2020-01-24
MXMX/U/2020/000031 2020-01-24

Publications (1)

Publication Number Publication Date
WO2021150098A1 true WO2021150098A1 (fr) 2021-07-29

Family

ID=76992632

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/MX2020/000034 WO2021150098A1 (fr) 2020-01-24 2020-10-20 Chariot de courses convertible en diable de charge

Country Status (1)

Country Link
WO (1) WO2021150098A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2701142A (en) * 1949-12-22 1955-02-01 Henri C Molenaar Collapsible handcart
JP2001063583A (ja) * 1999-08-27 2001-03-13 Key Tranding Co Ltd ショッピングカート
CN201321059Y (zh) * 2008-12-16 2009-10-07 邱锡錪 移动购物篮
US20130049315A1 (en) * 2011-08-25 2013-02-28 Ronald Lee Lowe Multi-use cart for outdoor activities and inner city use
CN109532968A (zh) * 2018-11-19 2019-03-29 北京联博达科技有限公司 一种便于检视的手拉车

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2701142A (en) * 1949-12-22 1955-02-01 Henri C Molenaar Collapsible handcart
JP2001063583A (ja) * 1999-08-27 2001-03-13 Key Tranding Co Ltd ショッピングカート
CN201321059Y (zh) * 2008-12-16 2009-10-07 邱锡錪 移动购物篮
US20130049315A1 (en) * 2011-08-25 2013-02-28 Ronald Lee Lowe Multi-use cart for outdoor activities and inner city use
CN109532968A (zh) * 2018-11-19 2019-03-29 北京联博达科技有限公司 一种便于检视的手拉车

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