US20210362762A1 - Utility cart - Google Patents

Utility cart Download PDF

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Publication number
US20210362762A1
US20210362762A1 US16/487,160 US201816487160A US2021362762A1 US 20210362762 A1 US20210362762 A1 US 20210362762A1 US 201816487160 A US201816487160 A US 201816487160A US 2021362762 A1 US2021362762 A1 US 2021362762A1
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US
United States
Prior art keywords
closed
shape frame
utility cart
support
base
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
US16/487,160
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English (en)
Inventor
Leland Lawson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ArcelorMittal SA
Original Assignee
Arcelormittal
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Filing date
Publication date
Application filed by Arcelormittal filed Critical Arcelormittal
Publication of US20210362762A1 publication Critical patent/US20210362762A1/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
    • B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/32—Bonding taking account of the properties of the material involved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/32—Bonding taking account of the properties of the material involved
    • B23K26/322—Bonding taking account of the properties of the material involved involving coated metal parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/32—Bonding taking account of the properties of the material involved
    • B23K26/323—Bonding taking account of the properties of the material involved involving parts made of dissimilar metallic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3053—Fe as the principal constituent
    • B23K35/3073—Fe as the principal constituent with Mn as next major constituent
    • 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
    • B62B3/10—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by supports specially adapted to objects of definite shape
    • B62B3/106—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by supports specially adapted to objects of definite shape the objects being bags
    • 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
    • B62B3/12—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by three-wheeled construction
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/006—Vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/18—Sheet panels
    • B23K2101/185—Tailored blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/24—Seam welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2202/00—Indexing codes relating to type or characteristics of transported articles
    • B62B2202/22—Flexible bags, e.g. for rubbish
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/30—Detachable, retractable or collapsible load supporting means
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum

Definitions

  • the present invention relates generally to a utility cart. More particularly, the present invention is a wheeled utility cart with a tapered design allowing a user to easily carry and access items that are placed inside.
  • the present invention may additionally be collapsible for storage purposes.
  • the storage means is typically an open container that includes a rectangular shape.
  • a major problem, with conventional storage means, is that it is difficult for a person to access the items within the cart. In more detail, a person must lift the items placed inside the storage means which can difficult if the item is of substantial weight. Additionally, conventional carts are bulky and, as a result, are cumbersome to store.
  • the present invention may additionally be collapsible allowing the user to easily store the present invention.
  • the present invention includes a main body that is funnel-shaped which allows items within to be easily accessed with significantly less effort.
  • the present invention includes supports which are telescopic providing a collapsibility aspect to the present invention for easy storage.
  • the present invention additionally includes a support plate, various embodiments of kickstands, and a bag.
  • the support plate allows the use to control the center weight of the present invention.
  • the various embodiments of the kickstands allow the present invention to be rested on its side.
  • the bag provides a receptacle to receive items.
  • FIG. 1 is a front perspective of the present invention.
  • FIG. 2 is a rear perspective of the present invention.
  • FIG. 3 is a bottom view of the present invention.
  • FIG. 4 is a front perspective view of the present invention displaying the telescopic aspect of the plurality of elongated supports and the support plate.
  • FIG. 5 is a rear perspective view of the present invention displaying the telescopic aspect of the plurality of elongated supports and the support plate.
  • the present invention is a wheeled utility cart that allows a user to easily carry and access items and that may be collapsible for easy storage.
  • the present invention can be used for garden work, house work, and grocery shopping.
  • the present invention comprises a carriage 1 , a base 2 , and a wheel assembly 3 .
  • the carriage 1 provides a durable, structural frame that includes a funnel shape allowing the user to easily access and store items from and into the present invention.
  • the carriage 1 comprises a plurality of elongated supports 4 and a closed-shape frame 5 .
  • the plurality of elongated supports 4 and the closed-shape frame 5 form the funnel-like shape of the present invention.
  • the base 2 provides a structural foundation which acts as a link between the carriage 1 and the wheel assembly 3 .
  • the inside of the base 2 may be used to store accessories and devices such as electronics.
  • the wheel assembly 3 provides a conveyance means allowing the user to easily push or pull the present invention across any surface.
  • the base 2 is terminally mounted to the plurality of elongated supports 4 .
  • the closed-shape frame 5 is terminally mounted to the plurality of elongated supports 4 , opposite the base 2 .
  • the arrangement of the plurality of elongated supports 4 , the closed-shape frame 5 , and the base 2 stabilizes the plurality of elongated supports 4 to prevent the plurality of elongated supports 4 from moving and therefore, defining the structural shape of the carriage 1 .
  • the plurality of elongated supports 4 is radially distributed about a center axis 26 of the closed-shape frame 5 in order to maintain the same size and shape between the plurality of elongated supports 4 and the closed-shape frame 5 .
  • the carriage 1 tapers from the closed-shape frame 5 to the base 2 to create a funnel-like shape allowing a user to easily place and retrieve items into and from the present invention.
  • the wheel assembly 3 is integrated into the base 2 . The arrangement of the wheel assembly 3 allows the wheel assembly 3 to be oriented towards the ground or other surface on which the present invention can be pulled or pushed.
  • the present invention may further comprise a support plate 6 .
  • the support plate 6 allows the user to control the center weight of the present invention.
  • the support plate 6 is an optional feature of the present invention.
  • the support plate 6 may be implemented in a variety of sizes, shapes, and composition to meet the preferences and needs of the user.
  • the support plate 6 may have a larger thickness than the plurality of elongated supports 4 .
  • the support plate 6 comprises a fixed edge 7 and a free edge 8 .
  • the fixed edge 7 is attached onto the base 2 .
  • the arrangement between the fixed edge 7 and the base 2 allows the user to readily attach or detach the support plate 6 from the base 2 when desired.
  • the fixed edge 7 can be attached to base 2 by any fastening means.
  • the free edge 8 is oriented towards the closed-shape frame 5 .
  • the arrangement of the free edge 8 allows the support plate 6 to control the center weight of the present invention by balancing the weight between the closed-shape frame 5 and the base 2 .
  • the support plate 6 is positioned in between two adjacent supports from the plurality of elongated supports 4 .
  • the present invention may further comprise a locking mechanism 9 .
  • the support plate 6 is configured to be telescopic between the fixed edge 7 and the free edge 8 allowing the user to adjust the height of the support plate 6 or the relative distance between the support plate 6 and the base 2 .
  • the height-adjustment aspect of the support plate 6 allows the user to adjust the center weight of the present invention.
  • the locking mechanism 9 is operatively integrated within the support plate 6 , where in the locking mechanism 9 is used to fix a total height of the support plate 6 between the fixed edge 7 and the free edge 8 .
  • the locking mechanism 9 may be any locking means including, but not limited to, latches, adjustable bolts, and camming mechanisms.
  • the present invention may further comprise a handle 10 .
  • the handle 10 provides a leverage means for the user to push or pull the present invention when moving across a surface.
  • the handle 10 is an elongated cylindrical structure which acts a grasping element for the user's hands.
  • the handle 10 is connected onto the support plate 6 and is oriented away from the carriage 1 .
  • the handle 10 is positioned offset from the closed-shape frame 5 for easier access to the user.
  • the present invention may further comprise a plate kickstand 11 .
  • the plate kickstand 11 allows the user to rest the present invention sideways.
  • the plate kickstand 11 comprises a distal end 13 and a proximal end 12 .
  • the distal end 13 of the plate kickstand 11 is a structure of any shape composed of friction material which allows the plate kickstand 11 from slipping when pressed against the ground or another surface.
  • the proximal end 12 is hingedly connected onto the support plate 6 . This allows the user to fold the plate kickstand 11 in a closed or open state. The open state is when the plate kickstand is positioned adjacent to the ground or other surface which allows the present invention to be rested sideways.
  • the closed state is when the plate kickstand 11 is positioned adjacent against the present invention which allows the present invention to be moved along the ground or other surface.
  • the distal end 13 is oriented away from the carriage 1 .
  • the arrangement of the distal end 13 allows the plate kickstand 11 to be folded against the ground or other surface.
  • the proximal end 12 is positioned offset from the closed-shape frame 5 in order to optimally support the weight of the present invention.
  • the plate kickstand 11 can optionally be used as leverage means to pull or push the present invention.
  • each of the plurality of elongated supports 4 is configured to be a telescopic support allowing the carriage 1 to be positioned into a collapsed configuration.
  • the plurality of elongated supports 4 comprises a primary support 14 and a plurality of secondary supports 15 .
  • the primary support 14 is hingedly connected to the closed-shape frame 5 .
  • the arrangement between the primary support 14 and the closed-shape frame 5 allows the closed-shape frame 5 to be folded against the primary support 14 when the carriage 1 is in the collapsed configuration.
  • Each of the plurality of secondary supports 15 is detachably attached to the closed-shape frame 5 to allow the plurality of secondary supports 15 to be detached from the closed-shape frame 5 in order to collapse the carriage 1 .
  • Each of the plurality of secondary supports 15 is hingedly connected to the base 2 . This allows the plurality of secondary supports 15 to oriented at an angle with respect to the center axis 26 of the closed-shape frame 5 . Due to the primary support 14 and each of the plurality of secondary supports 15 being hingedly connected to the base, the present invention can be adjusted to allow the user to easily maneuver the present invention in tight spaces.
  • the present invention may further comprise a bag 16 .
  • the bag 16 acts as a storage device in order to receive and store items.
  • the bag 16 is mounted within the carriage 1 .
  • An opening 27 of the bag 16 being positioned adjacent to the closed-shape frame 5 .
  • the arrangement between the bag 16 and the closed-shape frame 5 prevents items from falling out of the present invention.
  • the present invention may further comprise a plurality of dividers 17 and a lid 18 .
  • the plurality of dividers 17 is mounted within the bag 16 .
  • the plurality of dividers 17 allows the user to organize the items placed inside the bag 16 .
  • the plurality of dividers 17 may be disturbed horizontally along the bag 16 .
  • the arrangement of the plurality of dividers 17 prevents the dividers from accidentally being removed from the bag 16 when the user is removing items from the bag 16 .
  • the plurality of dividers 17 is positioned offset from each other in order to provide sufficient space for storage.
  • the lid 18 is positioned adjacent to the opening 27 of the bag 16 .
  • the lid 18 is hingedly connected to the closed-shape frame 5 which allows the lid 18 to be folded over the opening of the bag 16 .
  • the lid 18 provides a cover which allows the user to protect items placed inside the present invention.
  • the lid 18 further prevents items from falling out from the present invention.
  • the present invention may further comprise a plurality of support kickstands 19 .
  • Each of the plurality of support kickstands 19 comprises a proximal end 20 and a distal end 21 .
  • the proximal end 20 for each of the plurality of support kickstands 19 is hingedly and laterally connected to a corresponding support from the plurality of elongated supports 4 .
  • the arrangement between the proximal end 20 of each of the plurality of support kickstands 19 and the corresponding support of the plurality of elongated supports 4 allows the plurality of support kickstands 19 to be folded in an open or closed state.
  • the open state is when the plate kickstand is positioned adjacent to the ground or other surface which allows the present invention to be rested sideways.
  • the closed state is when the plate kickstand is positioned adjacent against the present invention which allows the present invention to be moved along the ground or other surface.
  • the distal end 21 for each of the plurality of kickstands 19 being oriented away from the carriage 1 .
  • the arrangement of the distal end 21 of the plurality of kickstands 19 and the carriage 1 allows the plurality of kickstands 19 to be folded against the ground or other surface.
  • the proximal end 20 for each of the plurality of kickstands 19 is positioned adjacent from the closed-shape frame 5 in order for the plurality of kickstands 19 to be optionally used as a leverage means to push or pull the present invention.
  • the wheel assembly 3 comprises a first wheel axle 23 and at least two wheels 22 .
  • the first wheel axle 23 traverses through the base 2 .
  • the at least two wheels 22 are positioned opposite to each other along the first wheel axle 23 .
  • the at least two wheels 22 are rotatably mounted to the first wheel axle 23 .
  • the arrangement between the first wheel axle 23 and the at least two wheels 22 allows present invention to translate along the ground or other surface.
  • the wheel assembly 3 may further comprise a stabilizing wheel 24 and a second wheel axle 25 . Similar to the first wheel axle 23 , the second wheel axle 25 traverses through the base 2 . Additionally, the second wheel axle 25 is positioned parallel and offset to the first wheel axle 23 . The stabilizing wheel 24 is positioned in between the at least two wheels 22 . The stabilizing wheel 24 is rotatably mounted to the second wheel axle 25 . The stabilizing wheel 24 allows the present invention to stand upright. The arrangement of the stabilizing wheel 24 and the second wheel axle 25 allows the present invention to properly stabilizing with respect to the at least two wheels 22 .
  • the support plate 6 may be used as a door which allows a user to enter the inside of the present invention.
  • the present invention may include a seat or similar means which allows the user to sit down when inside of the present invention.
  • the present invention can be fitted in between automobile seats if needed.
  • the present invention can naturally unload items when oriented sideways as well as when the present invention is upright.
  • the tapered design of the carriage 1 allows a user to easily unload items or material from the present invention into another container by tilting the present invention sideways.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Laser Beam Processing (AREA)
  • Heat Treatment Of Articles (AREA)
  • Handcart (AREA)
US16/487,160 2018-02-27 2018-03-01 Utility cart Pending US20210362762A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2018/051237 WO2019166852A1 (en) 2018-02-27 2018-02-27 Method for producing a press-hardened laser welded steel part and press-hardened laser welded steel part

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US20210362762A1 true US20210362762A1 (en) 2021-11-25

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US16/487,160 Pending US20210362762A1 (en) 2018-02-27 2018-03-01 Utility cart
US16/976,392 Active 2040-10-15 US11911847B2 (en) 2018-02-27 2019-02-26 Method for producing a press-hardened laser welded steel part and press-hardened laser welded steel part
US18/417,759 Pending US20240227080A1 (en) 2018-02-27 2024-01-19 Method for producing a press-hardened laser welded steel part and press-hardened laser welded steel part

Family Applications After (2)

Application Number Title Priority Date Filing Date
US16/976,392 Active 2040-10-15 US11911847B2 (en) 2018-02-27 2019-02-26 Method for producing a press-hardened laser welded steel part and press-hardened laser welded steel part
US18/417,759 Pending US20240227080A1 (en) 2018-02-27 2024-01-19 Method for producing a press-hardened laser welded steel part and press-hardened laser welded steel part

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US (3) US20210362762A1 (ja)
EP (1) EP3758886A1 (ja)
JP (2) JP7191983B2 (ja)
KR (3) KR102489870B1 (ja)
CN (5) CN111788034B (ja)
BR (1) BR122022025885B1 (ja)
CA (2) CA3092006C (ja)
MX (1) MX2020008911A (ja)
RU (1) RU2746702C1 (ja)
WO (2) WO2019166852A1 (ja)
ZA (1) ZA202005048B (ja)

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KR102308832B1 (ko) * 2020-10-29 2021-10-05 현대제철 주식회사 알루미늄계 도금 블랭크 및 이의 제조방법
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KR20230021319A (ko) * 2021-08-05 2023-02-14 주식회사 포스코 테일러 웰디드 블랭크, 열간성형부재 및 이들의 제조방법
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KR20240090596A (ko) * 2021-11-29 2024-06-21 제이에프이 스틸 가부시키가이샤 레이저·아크 하이브리드 용접 이음매의 제조 방법
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JP2023039972A (ja) 2023-03-22
KR20230010006A (ko) 2023-01-17
KR20210119554A (ko) 2021-10-05
WO2019166941A1 (en) 2019-09-06
BR122022025885B1 (pt) 2023-12-26
US11911847B2 (en) 2024-02-27
CN116117319A (zh) 2023-05-16
KR102305989B1 (ko) 2021-09-28
US20240227080A1 (en) 2024-07-11
WO2019166852A1 (en) 2019-09-06
CA3092006A1 (en) 2019-09-06
JP7191983B2 (ja) 2022-12-19
BR112020016881A2 (pt) 2020-12-15
EP3758886A1 (en) 2021-01-06
KR102650255B1 (ko) 2024-03-21
CN111788034B (zh) 2023-04-04
JP2021514856A (ja) 2021-06-17
KR102489870B1 (ko) 2023-01-17
US20210053154A1 (en) 2021-02-25
CN116117320A (zh) 2023-05-16
JP7543381B2 (ja) 2024-09-02
MX2020008911A (es) 2020-10-12
CA3206436A1 (en) 2019-09-06
CN116100151A (zh) 2023-05-12
ZA202005048B (en) 2021-07-28
RU2746702C1 (ru) 2021-04-19
CN111788034A (zh) 2020-10-16
CA3092006C (en) 2023-09-19
KR20200116956A (ko) 2020-10-13
CN116117318A (zh) 2023-05-16

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