WO1998022324A1 - Chariot pliable - Google Patents

Chariot pliable Download PDF

Info

Publication number
WO1998022324A1
WO1998022324A1 PCT/GB1997/002976 GB9702976W WO9822324A1 WO 1998022324 A1 WO1998022324 A1 WO 1998022324A1 GB 9702976 W GB9702976 W GB 9702976W WO 9822324 A1 WO9822324 A1 WO 9822324A1
Authority
WO
WIPO (PCT)
Prior art keywords
trolley
trolley according
storage means
legs
base
Prior art date
Application number
PCT/GB1997/002976
Other languages
English (en)
Inventor
Theodorick Romeo Miller
Original Assignee
Theodorick Romeo Miller
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
Priority claimed from GBGB9623946.2A external-priority patent/GB9623946D0/en
Application filed by Theodorick Romeo Miller filed Critical Theodorick Romeo Miller
Priority to AU47882/97A priority Critical patent/AU4788297A/en
Publication of WO1998022324A1 publication Critical patent/WO1998022324A1/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
    • B62B3/027—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible collapsible shopping trolleys

Definitions

  • This invention concerns improvements in or relating to trolleys, and particularly but not exclusively shopping trolleys.
  • a trolley comprising a ground engageable base and storage means spaced from the base by a plurality of legs, the trolley being collapsible between an erected condition and a collapsed condition.
  • the storage means preferably comprises an open topped receptacle, which receptacle preferably comprises a floor and a plurality of upstanding side walls defuiing a storage space.
  • the storage means is preferably collapsible, with at least two of the side walls preferably pivotally mounted to or adjacent to the floor such that in the collapsed condition those side walls lie on the floor.
  • two of the side walls are provided by side members extending from the legs connected to the base such that the storage means is defined between the said side members and said two or more side walls when the trolley is in the erected condition.
  • the trolley comprises two inter-engageable assemblies which assemblies may be disengaged when the trolley is in the collapsed condition and engaged when the trolley is in the erected condition.
  • the assemblies inter-engage in such manner that the weight of any object(s) located in the storage means acts to secure the engagement.
  • the two assemblies comprise inter-engageable formations which locate together as one assembly is lowered onto the other to form an erected trolley.
  • one assembly comprises the floor of the storage means and said two or more side walls, which walls are movable on the floor between a one condition in which the side walls extend upward from the floor and another condition in which they he substantially over the floor.
  • the second assembly preferably comprises the ground engageable base and the plurality of legs extending therefrom to the side members.
  • the legs are pivotally attached to the base to provide for pivotal movement of the legs and side members between a first condition in which they he generally on the base, and a second condition in which the legs and side members extend upward from the base in a configuration to receive the said one assembly when in the said one condition for inter-engagement to define the storage means therebetween.
  • Preferably downwardly extending hook formations are provided on the one assembly for location over suitable formations on the second assembly.
  • inter-engagement of the two assemblies holds the assemblies in the respective said one and second conditions whereby to define the erected trolley.
  • some or all of the walls may comprise a pivotal arrangement such the walls are foldable upon themselves. Such pivotal arrangement may extend generally horizontally or generally vertically. Means may be provided for retaining the receptacle in an erect condition, and a plurahty of clips may be provided which are engageable between adjacent side walls.
  • a liner may be provided for the receptacle.
  • the liner is preferably removable from the receptacle, and may be profiled to slidably fit therein.
  • a lid may be provided to provide for cover of contents in the trolley, which lid may comprise part of the liner or receptacle.
  • the legs may be pivotally mounted on the storage means and/or on the base.
  • the legs may be removably mountable on the storage means and/or the base.
  • the legs may include a pivotal arrangement within their length so as to be foldable upon themselves.
  • Means may be provided for retaining the legs in an unfolded state, and a sleeve may be provided which is selectively locatable over the pivotal arrangement on each respective leg.
  • the base preferably comprises a plurality of ground engaging wheels.
  • a further storage means may be provided locatable on the base beneath the first mentioned storage means.
  • Security means may be provided to provide for selective locking of the wheels to prevent unauthorised wheeled movement of the trolley.
  • the security means preferably prevents rotation of at least one rear wheel of a trolley having front and rear wheels.
  • the trolley may further comprise seating means particularly for seating of a child.
  • the seating means may be removably locatable in the storage means, and may be inter-engageable therewith in such manner that the weight of a child seated thereon secures engagement.
  • the seating means may comprise a seat platform from which engagement formations extend to engage with the storage means.
  • the engagement formations may be provided on arms extending from the seat platform, and be engageable with opposite sides of the storage means.
  • a third engagement formation may be provided to engage a further side of the trolley whereby to stabilise the seating means for use.
  • Fig. 1 is a diagrammatic side view of a trolley according to the invention
  • Fig. 2 is a diagrammatic plan view of part of the trolley of Fig. 1;
  • Fig. 3 is a diagrammatic disassembled view of the trolley of Fig. 1;
  • Fig. 4 is a diagrammatic disassembled view of a further trolley according to the invention.
  • Fig. 5 is a diagrammatic side view of a still further trolley according to the invention.
  • Fig. 6 is a diagrammatic view from beneath of part of a yet further trolley according to the present invention.
  • Fig. 7 is a diagrammatic exploded perspective view of a trolley according to another embodiment of the present invention.
  • Fig. 8 is a diagrammatic side view of the trolley of Fig. 7 in an erected condition
  • Fig. 9 is a side view of the trolley of Fig. 8 in the collapsed condition.
  • Fig. 10 is a perspective view of the trolley of Fig. 8 generally in the direction X of Fig. 8, with a child seat in location for use.
  • Figs. 1-3 show a trolley 10 suitable for instance for carrying shopping from a supermarket direct to a persons home or perhaps to their car or other transport.
  • the trolley 10 comprises a ground engaging base 12 with a storage means 14 mounted thereon by four legs 16.
  • the base 12 comprises a rectangular frame 18 with two cross-members 20 upon each of which are provided a pair of ground engaging wheels 22.
  • the legs 16 are provided in a rectangular configuration extending upwardly from each of the side limbs of the frame 18 to connect the storage means 14.
  • the legs 16 each comprise a pivotal arrangement 24 substantially midway along their length to permit upper and lower parts to pivot inwardly as is shown in dotted lines in Figs. 1 and 3.
  • a sleeve 26 is slidably mounted on each leg 20.
  • a pin 28 is provided extending through each leg 16 just below the respective arrangement 24. The pins 28 are such as to prevent the sleeve 26 passing therebelow.
  • the storage means 14 comprises an open-topped receptacle with a floor 32 and four upstanding side walls 34. Clips 36 provided on the side edges of each of the end side walls 34, and the clips 36 are engageable with the other side walls 34.
  • the walls 34 are pivotally mounted to the floor 2 by a plurality of hinges 38.
  • a conventional trolley child seat 40 is mounted on one of the end side walls 34.
  • a handle 42 is removably mounted on the same end side wall 34.
  • a liner 44 is provided slidingly locatable within the storage means 14 when erect, and of the same general profile.
  • the trolley 10 can be used in an erect condition as shown in Fig. 1. If it is wished to collapse the trolley 10, the liner 44 can be removed. This may be of foldable material and/or have a foldable construction.
  • the storage means 14 can be collapsed by removing the clips 36 from the respective side walls 34, and folding the side walls 34 about the hinges 38 to rest upon the floor 32.
  • the handle 42 can be removed if required.
  • the basket 30 can be removed from the base 12, and the latter collapsed as follows.
  • the sleeves 26 are slid up the legs 16 to permit the latter to pivot about the arrangements 24 such that the upper parts of the leg 16 lie on the lower parts thereof, with the storage means 14 located immediately above the base 12. This permits the trolley 10 to adopt a quite compact condition.
  • the trolley 10 can obviously be erected by reversing the above steps.
  • Fig. 4 shows a trolley 46 with a base 48 and storage means 50.
  • the legs 52 are pivotally mounted on the underside of the storage means 50 and locatable over upstanding projections 54 on the base 48 and secured thereover with pins (not shown) extendable through aligned holes 56 in the projections 54 and legs 52.
  • Pivotal stop formations 58 on the underside of the storage means 50 restrain the pivotal movement of the legs 52 to the appropriate portion for location over the projections 54.
  • Fig. 5 shows a trolley 60 with a base 62 and storage means 64.
  • Rigid legs 66 extend between the base 62 and storage means 64, and are removably mounted on each to be removable to permit collapse of the trolley 60.
  • the storage means 64 is similar to the storage means 14 except that a transverse pivotal arrangement 68 extends substantially centrally across each side wall of the storage means 64 such that when the storage means is collapsed, as well as pivoting relative to the floor of the storage means 64, the side walls fold upon themselves as shown diagrammatically by dotted lines in Fig. 5.
  • Fig. 6 shows a further alternative storage means 70 wherein upright generally central pivotal arrangements 72 are provided in the end walls of the storage means 70.
  • the floor (not shown) of the storage means will be arranged so as to be disconnectable from one of the side walls and pivotally mounted to the other so as to be able to fold against the side walls when the storage means 70 is collapsed.
  • Pivotal legs 74 are shown pivoted against the storage means 70.
  • the end walls are again pivotally connected to the other side walls such that the storage means can fold into a flat condition.
  • Means are provided for locking the respective walls and parts of walls.
  • a trolley 80 comprises two assemblies, an upper assembly 82 and a lower assembly 84.
  • the upper assembly 82 comprises a floor 86 and two side walls 88a,b attached along opposite edges 90a,b respectively of the floor 86.
  • the side walls 88a,b are pivotally attached about hinges 92a,b respectively to be pivotally movable between a one condition in which the side walls extend upward from the floor 86 (Figs. 7, 8 and 10), and another folded condition (Fig. 9) in which the side walls 88a,b lie substantially on the floor 86.
  • Hooks 94a,b are provided on opposite edges of each side wall 88a,b, which edges diverge in a direction away from the floor 86.
  • Similar hooks 96 are provided on opposite ends of the floor for engagement with the lower assembly 84 as will be described.
  • the lower assembly 82 comprises a base 98 comprising four wheels 100 disposed at each corner thereof.
  • a wheel lock 100 is provided on one wheel to prevent unauthorised rolling movement of the trolley 80.
  • a side wall member 106a,b extends between respective pairs of legs 102 across respective ends of the base 98, to be movable between a first condition in which the legs 102 and side members 106a,b lie generally on the base (Fig. 9) and a second condition in which the legs 102 and side members 106a,b extend upward from the base in a configuration to receive the said upper assembly 82 when in the said one condition for inter-engagement to define the storage means therebetween, as will be described.
  • Handle means 108 may be provided along the upper edge of one side wall member 106a.
  • Hook receiving formations 110a,b are provided on respective edges of each side wall member 106a,b to receive the hook formations 94a,b in the upper assembly 82.
  • the trolley 80 is movable between a collapsed condition (Fig. 9) to an erected condition (Fig. 8).
  • the side wall members 106a,b are folded down to lie flat onto the base 98.
  • the side walls 88a,b are folded flat onto the floor 86, so that its upper assembly can be placed against the base 98 or the upper side wall member 106a,b for storage and ready transportation.
  • the trolley 80 occupies relatively httle space and is therefore easily stored.
  • the trolley is readily transported, for example to a supermarket or shop for use.
  • the assemblies 82,84 are parted and the side walls 88a,b are pivoted to extend upward from the floor 86 to be generally mutually parallel.
  • the side wall members 106a,b are pivoted to extend upward from the base 98 to generally diverge in an upward direction generally to the angle of divergence of the edges of the side walls 88a,b.
  • the upper assembly 82 is then lowered over and down onto the lower assembly 84 to locate between the side wall members 106a,b until the hooks 94a,b locate in the respective hook receiving formations 110a,b and the hooks 96 engage over a cross-member of the respective side wall members 106a,b.
  • this shows an optional accessor)' to the trolley 80.
  • This comprises a child seat 112 which is locatable in the receptacle of the trolley 80.
  • the child seat comprises a seating platform 114 comprising a base and a back support, and a laterally extending support bar 116 which is of corresponding width to the width of the trolley 80, and comprises hook formations 118 on each end thereof which hook formations locate over the upper edge of the side walls of the trolley 80.
  • a further hook formation 120 is provided on the front edge of the platform 114, whereby to removably fix the seat 112 in position.
  • a safety harness 122 may be provided to secure the child in the seat. It will be appreciated that the weight of the child helps to secure the seat 112 in position.
  • each providing a collapsible trolley which could readily be owned by an individual rather than for instance a supermarket.
  • the trolleys all collapse readily easily and can thus be conveniently transported and stored by individuals, for instance to and from a supermarket. All of the trolleys are of relatively straightforward construction and can thus be robustly and inexpensively manufactured.
  • a lid may be provided for selective cover of contents of the trolley.
  • a lid may comprise a part of the upper storage means and detachably or pivotally attached thereto, may be a part of the inner liner or may be a separate component.
  • a wheel lock may be provided to substantially prevent rotation of the wheels, desirably at least one front and one rear wheel whereby to substantially immobilise the trolley to prevent unauthorised wheeled movement.
  • any combination of the features outlined in the described embodiments could be combined.
  • Other methods could be used for mounting the legs to the base and/or storage means.
  • a different collapse arrangement could be provided for the storage means.
  • the trolley can be provided in various sizes, e.g. small, medium and large sizes.

Landscapes

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

Abstract

Un chariot (10) comprend une base au contact du sol (12) et un moyen de rangement (14). Le moyen de rangement (14) est séparé de la base par plusieurs jambes (16). Le chariot (10) est escamotable et peut passer d'une position dressée à une position pliée. Le chariot (10) peut comprendre un premier ensemble et un deuxième ensemble interverrouillables. Le premier ensemble peut comprendre la base (12) et les jambes (16). Le deuxième ensemble peut comprendre le moyen de rangement (14). Chacun des premier et deuxième ensembles est pliable.
PCT/GB1997/002976 1996-11-16 1997-10-29 Chariot pliable WO1998022324A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU47882/97A AU4788297A (en) 1996-11-16 1997-10-29 Collapsible trolley

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9623946.2 1996-11-16
GBGB9623946.2A GB9623946D0 (en) 1996-11-16 1996-11-16 Trolleys
GB9703905A GB2319229B (en) 1996-11-16 1997-02-25 Collapsible trolley
GB9703905.1 1997-02-25

Publications (1)

Publication Number Publication Date
WO1998022324A1 true WO1998022324A1 (fr) 1998-05-28

Family

ID=26310422

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1997/002976 WO1998022324A1 (fr) 1996-11-16 1997-10-29 Chariot pliable

Country Status (3)

Country Link
AU (1) AU4788297A (fr)
GB (1) GB2319229B (fr)
WO (1) WO1998022324A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009137599A2 (fr) * 2008-05-08 2009-11-12 Stryker Corporation Civière-chaise pliable à utiliser dans les véhicules d’urgence

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0208051A2 (fr) * 1985-03-15 1987-01-14 Renate Schimmeister Sac pour chariot de libre-service
WO1987002950A1 (fr) * 1985-11-16 1987-05-21 Walter Ruhe Chariot de commissions et de transport
EP0286520A1 (fr) * 1987-04-02 1988-10-12 Guy Lemerre Chariot à provisions pliable
US4811968A (en) * 1988-04-07 1989-03-14 Usec, Inc. Collapsible cart
US4953878A (en) * 1988-10-31 1990-09-04 Sbragia Frank J Collapsible cart
FR2680744A1 (fr) * 1991-09-04 1993-03-05 Oliveros Valentin Chariot d'hypermarche pliable pour voiture.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199170A (en) * 1977-05-02 1980-04-22 Hubner Betty A Carrier means
FR2587960B2 (fr) * 1985-05-29 1988-01-15 Equip Menager Ind & Com Dispositif repliable pour le transport et/ou la manutention d'objets ou d'articles en vrac
US5096260A (en) * 1988-11-07 1992-03-17 Hagerstrom Cathleen A Child support assembly
US5090725A (en) * 1990-08-06 1992-02-25 Feldner Robert H Collapsible garment cart
US5553877A (en) * 1995-10-16 1996-09-10 Huang; Ming-Tai Foldable toy shopping trolley

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0208051A2 (fr) * 1985-03-15 1987-01-14 Renate Schimmeister Sac pour chariot de libre-service
WO1987002950A1 (fr) * 1985-11-16 1987-05-21 Walter Ruhe Chariot de commissions et de transport
EP0286520A1 (fr) * 1987-04-02 1988-10-12 Guy Lemerre Chariot à provisions pliable
US4811968A (en) * 1988-04-07 1989-03-14 Usec, Inc. Collapsible cart
US4953878A (en) * 1988-10-31 1990-09-04 Sbragia Frank J Collapsible cart
FR2680744A1 (fr) * 1991-09-04 1993-03-05 Oliveros Valentin Chariot d'hypermarche pliable pour voiture.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009137599A2 (fr) * 2008-05-08 2009-11-12 Stryker Corporation Civière-chaise pliable à utiliser dans les véhicules d’urgence
WO2009137599A3 (fr) * 2008-05-08 2010-02-18 Stryker Corporation Civière-chaise pliable à utiliser dans les véhicules d’urgence

Also Published As

Publication number Publication date
GB9703905D0 (en) 1997-04-16
GB2319229A (en) 1998-05-20
GB2319229B (en) 2001-01-17
AU4788297A (en) 1998-06-10

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