# US 11,299,186 B2 · Knock-down hamper > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,299,186 B2 - Document ID: US11299186B2 - Status: Granted - Kind: B2 - Application number: 17/083,931 - Filed: 2020-10-29 - Published: 2021-02-11 - Granted: 2022-04-12 - Earliest claimed: 2019-03-28 - Assignees: Seville Classics Inc. - Applicants: Seville Classics Inc. - Inventors: Tzuyi Shimizu - Web page: https://patentgrep.com/patent/US11299186B2 ## CPC - B62B 3/02: involving parts being adjustable, collapsible, attachable, detachable or convertible - B62B 3/002: {characterised by a rectangular shape, involving sidewalls or racks} - B62B 3/003: {Non-transparent side walls} - B62B 3/025: {Foldable roll containers} - B62B 5/00: Accessories or details specially adapted for hand carts ({B62B3/1404} , B62B9/00 take precedence; wheels, axles, or axle bearings for vehicles B60B; castors for vehicles, castors in general B60B33/00) - D06F 95/002: {Baskets or bags specially adapted for holding or transporting laundry; Supports therefor} - B62B 2202/66: Laundry - B62B 2205/104: Detachable wheel units, e.g. together with the wheel shaft - B62B 2301/05: Details of the attachment of the wheel assembly to the chassis - B62B 2501/00: Manufacturing; Constructional features - B62B: HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES (characterised by animal propulsion B62C; propulsion of sledges by driver or engine B62M) - D06F: LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES ## Abstract A hamper has a base having a base frame with a base shelf provided inside the base frame, and a plurality of caster assemblies secured to the base frame. A supporting frame assembly has two U-shaped frames, with each U-shaped frame having a horizontal base bar and two vertical bars extending from opposite ends of the base bar, with the two U-shaped frames coupled to each other at the center of each base bar, and with the base bars secured to the base. A fabric body has a plurality of side walls, and four vertical corner sleeve pockets, with each vertical corner sleeve pocket defining a channel that receives a separate vertical bar. A top frame secured to the upper ends of the vertical bars. ## Claims ### Claim 1 A hamper, comprising: a base having a base frame with a base shelf provided inside the base frame, and a plurality of caster assemblies secured to the base frame; a supporting frame assembly having two U-shaped frames, with each U-shaped frame having a horizontal base bar and two vertical bars extending from opposite ends of the base bar, each vertical bar having an upper end, and with each base bar having a center which has a groove, and with the two U-shaped frames coupled to each other at the center of each base bar, and wherein the base bars are secured to the base; a fabric body having a plurality of side walls, and four vertical corner sleeve pockets, with each vertical corner sleeve pocket defining a channel, and wherein each channel receives one of the vertical bars from the U-shaped frames; and wherein the grooves of the two base bars are seated inside each other. ### Claim 2 (depends on 1) The hamper of claim 1, wherein the fabric body has four side walls, with a corner defined between adjacent side walls, and wherein each vertical corner sleeve pocket is positioned along each corner of the fabric body. ### Claim 3 (depends on 1) The hamper of claim 1, further including a top frame provided adjacent the upper ends of the vertical bars. ### Claim 4 (depends on 3) The hamper of claim 3, wherein the top frame has four sides that define four corners. ### Claim 5 A hamper, comprising: a base having a base frame with a base shelf provided inside the base frame, and a plurality of caster assemblies secured to the base frame; a supporting frame assembly having two U-shaped frames, with each U-shaped frame having a horizontal base bar and two vertical bars extending from opposite ends of the base bar, each vertical bar having an upper end, and with each base bar having a center, and with the two U-shaped frames coupled to each other at the center of each base bar, and wherein the base bars are secured to the base; a fabric body having a plurality of side walls, and four vertical corner sleeve pockets, with each vertical corner sleeve pocket defining a channel, and wherein each channel receives one of the vertical bars from the U-shaped frames; wherein the base frame has four sides that define four corners, and wherein each base bar is secured to two diagonally opposing corners of the base frame; and wherein a corner plate is provided at each corner of the base frame, with a caster assembly secured to each corner plate, and with each base bar secured to two diagonally opposing corner plates of the base frame. ### Claim 6 (depends on 5) The hamper of claim 5, wherein the fabric body has four side walls, with a corner defined between adjacent side walls, and wherein each vertical corner sleeve pocket is positioned along each corner of the fabric body. ### Claim 7 (depends on 5) The hamper of claim 5, further including a top frame provided adjacent the upper ends of the vertical bars. ### Claim 8 (depends on 7) The hamper of claim 7, wherein the top frame has four sides that define four corners. ### Claim 9 A method of assembling a hamper, comprising: providing a base having a base frame with a base shelf provided inside the base frame; securing a plurality of caster assemblies to the base frame; providing a supporting frame assembly having two U-shaped frames, with each U-shaped frame having a horizontal base bar and two vertical bars extending from opposite ends of the base bar, each vertical bar having an upper end, and with each base bar having a center, each base bar having a groove, and with the two U-shaped frames coupled to each other at the center of each base bar; seating the grooves of the two base bars inside each other; securing the base bars to the base; providing a fabric body having a plurality of side walls, and four vertical corner sleeve pockets, with each vertical corner sleeve pocket defining a channel; and inserting one of the vertical bars of the U-shaped frames through each channel. ### Claim 10 (depends on 9) The method of claim 9, further including the step of providing a top frame adjacent the upper ends of the vertical bars. ### Claim 11 (depends on 9) The method of claim 9, wherein the base frame has four sides that define four corners, and further including securing each base bar to two diagonally opposing corners of the base frame. ### Claim 12 (depends on 11) The method of claim 11, wherein a corner plate is provided at each corner of the base frame, further including securing a caster assembly to each corner plate, and securing each base bar to two diagonally opposing corner plates of the base frame. ### Claim 13 (depends on 9) The method of claim 9, wherein the fabric body has four side walls, with a corner defined between adjacent side walls, and wherein each vertical corner sleeve pocket is positioned along each corner of the fabric body.