US20230309700A1 - Iron frame sofa with foldable hinge structure - Google Patents

Iron frame sofa with foldable hinge structure Download PDF

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Publication number
US20230309700A1
US20230309700A1 US18/187,668 US202318187668A US2023309700A1 US 20230309700 A1 US20230309700 A1 US 20230309700A1 US 202318187668 A US202318187668 A US 202318187668A US 2023309700 A1 US2023309700 A1 US 2023309700A1
Authority
US
United States
Prior art keywords
sofa
foldable
assembling pipe
mainframe
square tubes
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
US18/187,668
Other languages
English (en)
Inventor
Wan Cheung
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.)
Wai Kin Home Fashion Hui Zhou Co Ltd
Original Assignee
Wai Kin Home Fashion Hui Zhou Co Ltd
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 Wai Kin Home Fashion Hui Zhou Co Ltd filed Critical Wai Kin Home Fashion Hui Zhou Co Ltd
Assigned to Wai Kin Home Fashion (Hui Zhou) Company Limited reassignment Wai Kin Home Fashion (Hui Zhou) Company Limited ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHEUNG, WAN
Publication of US20230309700A1 publication Critical patent/US20230309700A1/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/02—Head -, foot -, or like rests for beds, sofas or the like of detachable or loose type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/04—Folding chairs with inflexible seats
    • A47C4/18—Folding chairs with inflexible seats having a frame made of metal
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
    • A47C17/165—Seating furniture changeable to beds by tilting or pivoting the back-rest with forward tiltable back-rest, e.g. back cushion
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C17/00—Sofas; Couches; Beds
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/02—Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
    • A47C19/021—Bedstead frames
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/04—Metal chairs, e.g. tubular
    • A47C5/10—Tubular chairs of foldable, collapsible, or dismountable type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/407—Support for the head or the back for the back of collapsible type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/54—Supports for the arms
    • A47C7/541—Supports for the arms of adjustable type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2220/00—General furniture construction, e.g. fittings
    • A47B2220/0061—Accessories
    • A47B2220/0069—Hinges
    • A47B2220/0072—Hinges for furniture

Definitions

  • the present application relates to the technology field of iron frame sofa, in particular to an iron frame sofa with a foldable hinge structure.
  • the object of the present application is to provide an iron frame sofa with a foldable hinge structure to solve the problems raised in the above prior art.
  • An iron frame sofa with a foldable hinge structure including a sofa mainframe, wherein a connecting square tubes is mounted at each of four inner corners of the sofa mainframe, a supporting leg is mounted at a bottom of each the connecting square tube, a grille supporting frame is mounted at a top of the sofa mainframe, a first assembling pipe seat is mounted at each of two sides of a back of a inner wall of the sofa mainframe, a first assembling pipe is sleeved with the first assembling pipe seat at top end of the first assembling pipe seat, a second assembling pipe seat is mounted at each of a front and a rear side of a right side of the inner wall of the sofa mainframe, a second assembling pipe is sleeved with each the second assembling pipe seat at top end of the second assembling pipe seat, a foldable hinge is mounted at each of two top ends of the second assembling pipe and the first assembling pipe, and a foldable top bar is mounted on top of the foldable hinge.
  • the sofa mainframe includes two first square tubes and a plurality of second square tubes, wherein the plurality of second square tubes are each fixed between the corresponding ends and the centers of the two first square tubes.
  • numbers of the connecting square tubes and the supporting legs are both four.
  • the grille supporting frame is composed of a plurality of first bar members and a plurality of second bar members disposed criss-cross at equal intervals.
  • a number of the foldable hinge is four, and one foldable top bar is mounted between the tops of two adjacent foldable hinges, and a foldable angle of the foldable hinge is 0-90°.
  • the first assembling pipe and the second assembling pipe are folded by means of the foldable hinges to achieve the overall optimal minimum product volume, which facilitates the transportation and packaging protection of the entire product, reduces transportation costs and packaging costs, and ultimately increases the interests of consumers.
  • the pipe skeleton structure is used in the sofa mainframe and other components, which is characterized by light weight and small size, while reducing deforestation and realizing environmentally friendly manufacturing and production.
  • sofa armrests and backrests using the hinge folding method of the sofa support frame are formed by the first assembling pipe and the second assembling pipe mating with the foldable top bar by foldable hinges, as well as the mainframe body as the seat, it is only necessary to tear the compression film and perform a reset manually.
  • the assembly is also simple and easy to operate.
  • the structure is simple and easy to achieve the smallest packaging volume through folding armrests and backrests by means of foldable hinges, saving space, reducing transportation costs and saving the use of packaging materials.
  • FIG. 1 is a schematic diagram I of the overall structure of the present disclosure.
  • FIG. 2 is a schematic diagram II of the overall structure of the present disclosure.
  • An iron frame sofa with a foldable hinge structure includes a sofa mainframe 1 with connecting square tubes 2 mounted at four inner corners of the sofa mainframe 1 .
  • Supporting legs 3 are mounted at bottom of the connecting square tubes 2 .
  • a grille supporting frame 4 is mounted on top of the sofa mainframe 1 .
  • First assembling pipe seats 5 are mounted on both sides of the back of the inner wall of the sofa mainframe 1 , and first assembling pipes 6 are sleeved with the first assembling pipe seats 5 at the top ends of the first assembling pipe seats 5 .
  • Second assembling pipe seats 7 are mounted on the front and rear sides of the right side of the inner wall of the sofa mainframe 1 , and second assembling pipes 8 are sleeved with the second assembling pipe seats 7 at the top ends of the second assembling pipe seats 7 .
  • Foldable hinges 9 are mounted at both ends of the top of the second assembling pipes 8 and the first assembling pipes 6 .
  • the overall structure of the iron frame sofa 1 is simple, and it is convenient to minimize packaging volume by folding the armrest and backrest frame by hinges, which can save space and reduce transportation costs and save packaging materials and have high stability and practicality, having certain promotion value.
  • the sofa mainframe 1 includes two first square tubes 101 and a plurality of second square tubes 102 , wherein the plurality of second square tubes 102 are fixed separately between the corresponding ends and between the centers of the two first square tubes 101 .
  • the numbers of the connecting square tubes 2 and the supporting legs 3 are both four.
  • the grille supporting frame 4 is composed of a plurality of first bar members 401 and a plurality of second bar members 402 disposed criss-cross at equal intervals.
  • the number of the foldable hinges 9 is four, and one foldable top bar 10 is mounted between the tops of two adjacent foldable hinges 9 , and the foldable angle of each foldable hinge 9 is 0-90°.
  • the first assembling pipe and the second assembling pipe are folded by means of the foldable hinges to achieve the overall optimal minimum product volume, which facilitates the transportation and packaging protection of the entire product, reduces transportation costs and packaging costs, and ultimately increases the interests of consumers.
  • the pipe skeleton structure is used in the sofa mainframe and other components, which is characterized by light weight and small size, while reducing deforestation and realizing environmentally friendly manufacturing and production.
  • sofa armrests and backrests using the hinge folding method of the sofa support frame are formed by the first assembling pipe and the second assembling pipe mating with the foldable top bar by foldable hinges, as well as the mainframe body as the seat, it is only necessary to tear the compression film and perform a reset manually.
  • the assembly is also simple and easy to operate.
  • the overall structure is simple and easy to achieve the smallest packaging volume through folding armrests and backrests by means of foldable hinges, which can save space and reduce transportation costs and save packaging materials and have high stability and practicality, having certain promotion value.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Assembled Shelves (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Special Chairs (AREA)
US18/187,668 2022-03-29 2023-03-22 Iron frame sofa with foldable hinge structure Pending US20230309700A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202220708344.8U CN217309671U (zh) 2022-03-29 2022-03-29 一种折叠铰链工艺结构的铁架沙发
CN202220708344.8 2022-03-29

Publications (1)

Publication Number Publication Date
US20230309700A1 true US20230309700A1 (en) 2023-10-05

Family

ID=83002628

Family Applications (1)

Application Number Title Priority Date Filing Date
US18/187,668 Pending US20230309700A1 (en) 2022-03-29 2023-03-22 Iron frame sofa with foldable hinge structure

Country Status (7)

Country Link
US (1) US20230309700A1 (zh)
EP (1) EP4252588B1 (zh)
KR (1) KR20230001932U (zh)
CN (1) CN217309671U (zh)
AU (1) AU2023201887A1 (zh)
CA (1) CA3194130A1 (zh)
GB (1) GB2618211A (zh)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339609A (en) * 1976-09-21 1978-04-11 Kawasaki Chishitsu Kk Poor subsoil expansion pressure measuring instrument combined creep testing apparatus
JPH05199925A (ja) * 1992-01-29 1993-08-10 Chubu Sogyo Kk 家具・寝台用構成骨体
JPH09215549A (ja) * 1996-02-14 1997-08-19 Teruo Uchikoshi 折り畳み式ソファー
JP4831713B1 (ja) * 2011-04-25 2011-12-07 直伸 山下 角度調整金具
US10244869B2 (en) * 2014-09-23 2019-04-02 Stadium Holding, Inc. Stadium chair
IT201800002874A1 (it) * 2018-02-20 2019-08-20 Nardi S P A Divano, poltrona o simile articolo di mobilia in kit, e relativo metodo di montaggio

Also Published As

Publication number Publication date
EP4252588C0 (en) 2024-04-03
GB202304293D0 (en) 2023-05-10
GB2618211A (en) 2023-11-01
CA3194130A1 (en) 2023-09-29
KR20230001932U (ko) 2023-10-06
EP4252588B1 (en) 2024-04-03
AU2023201887A1 (en) 2023-10-19
EP4252588A1 (en) 2023-10-04
CN217309671U (zh) 2022-08-30

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Date Code Title Description
AS Assignment

Owner name: WAI KIN HOME FASHION (HUI ZHOU) COMPANY LIMITED, CHINA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CHEUNG, WAN;REEL/FRAME:063067/0509

Effective date: 20230321

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION