US20030168894A1 - Foldable chair - Google Patents

Foldable chair Download PDF

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Publication number
US20030168894A1
US20030168894A1 US10/093,586 US9358602A US2003168894A1 US 20030168894 A1 US20030168894 A1 US 20030168894A1 US 9358602 A US9358602 A US 9358602A US 2003168894 A1 US2003168894 A1 US 2003168894A1
Authority
US
United States
Prior art keywords
plastics
front leg
metal front
shaped frames
leg tube
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.)
Abandoned
Application number
US10/093,586
Inventor
Wen-Shen Lin
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.)
Maxchief Investments Ltd
Original Assignee
Maxchief Investments 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 Maxchief Investments Ltd filed Critical Maxchief Investments Ltd
Priority to US10/093,586 priority Critical patent/US20030168894A1/en
Assigned to MAXCHIEF INVESTMENTS LTD. reassignment MAXCHIEF INVESTMENTS LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LIN, WEN-SHEN
Publication of US20030168894A1 publication Critical patent/US20030168894A1/en
Abandoned 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
    • 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
    • A47C4/20—Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe
    • A47C4/24—Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe with cross legs
    • 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
    • A47C4/20—Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe
    • 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
    • A47C4/28—Folding chairs with flexible coverings for the seat or back elements
    • A47C4/42—Folding chairs with flexible coverings for the seat or back elements having a frame made of metal
    • A47C4/44—Folding chairs with flexible coverings for the seat or back elements having a frame made of metal with legs pivotably connected to seat or underframe
    • A47C4/48—Folding chairs with flexible coverings for the seat or back elements having a frame made of metal with legs pivotably connected to seat or underframe with cross legs

Definitions

  • the present invention relates to a foldable chair. More particularly, the present invention relates to a foldable chair which has a light weight.
  • a conventional foldable chair is made of metal. However, the metal chair is very heavy.
  • Another conventional foldable chair is made of plastics. However, the plastics chair is not durable.
  • An object of the present invention is to provide a foldable chair which has a plastics seat pad and a plastics backrest to reduce a weight of the foldable chair.
  • Another object of the present invention is to provide a foldable chair which is durable after a long period of usage.
  • a foldable chair comprises a plastics seat pad, a plastics backrest, and a chair frame having a pair of metal front leg tubes and a pair of metal rear leg tubes.
  • Each of the metal front leg tubes and the corresponding metal rear leg tube are connected together.
  • the plastics backrest has two lateral posts inserted in the metal front leg tubes.
  • Two L-shaped frames are disposed on two sides of the plastics seat pad.
  • Each of the L-shaped frames is connected to the corresponding metal front leg tube and the corresponding metal rear leg tube.
  • a plurality of rivets fasten each of the L-shaped frames on the corresponding metal rear leg tube and the corresponding metal front leg tube.
  • Each of the metal front leg tubes has a blocking bar to block the plastics backrest.
  • FIG. 1 is a perspective exploded view of a foldable chair of a preferred embodiment in accordance with the present invention
  • FIG. 2 is a perspective assembly view of a foldable chair of a preferred embodiment in accordance with the present invention.
  • FIG. 3 is a bottom plan view of a plastics seat pad of a preferred embodiment in accordance with the present invention.
  • FIG. 4 is a sectional view taken along line 4 A- 4 A in FIG. 3;
  • FIG. 5 is a sectional schematic view illustrating a support bar connected to a plastics seat pad and a metal front leg tube;
  • FIG. 6 is a sectional schematic view illustrating a plastics backrest connected to a metal front leg tube
  • FIG. 7 is a schematic view illustrating a foldable chair of a preferred embodiment is extended.
  • FIG. 8 is a schematic view illustrating a foldable chair of a preferred embodiment is folded.
  • a foldable chair 8 comprises a plastics seat pad 2 , a plastics backrest 3 , and a chair frame 1 having a pair of metal front leg tubes 11 and a pair of metal rear leg tubes 12 .
  • Each of the metal front leg tubes 11 and the corresponding metal rear leg tube 12 are connected together.
  • the plastics backrest 3 has two lateral posts 31 inserted in the metal front leg tubes 11 .
  • Two L-shaped frames 4 are disposed on two sides of the plastics seat pad 2 .
  • Each of the L-shaped frames 4 is connected to the corresponding metal front leg tube 11 and the corresponding metal rear leg tube 12 .
  • Each of the L-shaped frames 4 has a pair of blocking rings 41 .
  • Each of the blocking rings 41 has a through aperture 42 .
  • a plurality of rivets 7 fasten each of the L-shaped frames 4 on the corresponding metal rear leg tube 12 and the corresponding metal front leg tube 11 .
  • Each of the metal front leg tubes 11 has a blocking bar 13 to block the plastics backrest 3 .
  • a plurality of first fastening members 5 fasten the plastics seat pad 2 and the L-shaped frames 4 together.
  • a plurality of second fastening members 6 fasten the blocking bar 13 and the plastics backrest 3 together.
  • the plastics seat pad 2 has a pair of lateral recesses 21 to receive the L-shaped frames 4 .

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

A foldable chair has a plastics seat pad, a plastics backrest, and a chair frame having a pair of metal front leg tubes and a pair of metal rear leg tubes. Each metal front leg tube and the corresponding metal rear leg tube are connected together. The plastics backrest has two lateral posts inserted in the metal front leg tubes. Two L-shaped frames are disposed on two sides of the plastics seat pad. Each L-shaped frame is connected to the corresponding metal front leg tube and the corresponding metal rear leg tube. Each metal front leg tube has a blocking bar to block the plastics backrest.

Description

    BACKGROUND OF THE INVENTION
  • The present invention relates to a foldable chair. More particularly, the present invention relates to a foldable chair which has a light weight. [0001]
  • A conventional foldable chair is made of metal. However, the metal chair is very heavy. Another conventional foldable chair is made of plastics. However, the plastics chair is not durable. [0002]
    • SUMMARY OF THE INVENTION
  • An object of the present invention is to provide a foldable chair which has a plastics seat pad and a plastics backrest to reduce a weight of the foldable chair. [0003]
  • Another object of the present invention is to provide a foldable chair which is durable after a long period of usage. [0004]
  • Accordingly, a foldable chair comprises a plastics seat pad, a plastics backrest, and a chair frame having a pair of metal front leg tubes and a pair of metal rear leg tubes. Each of the metal front leg tubes and the corresponding metal rear leg tube are connected together. The plastics backrest has two lateral posts inserted in the metal front leg tubes. Two L-shaped frames are disposed on two sides of the plastics seat pad. Each of the L-shaped frames is connected to the corresponding metal front leg tube and the corresponding metal rear leg tube. A plurality of rivets fasten each of the L-shaped frames on the corresponding metal rear leg tube and the corresponding metal front leg tube. Each of the metal front leg tubes has a blocking bar to block the plastics backrest.[0005]
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a perspective exploded view of a foldable chair of a preferred embodiment in accordance with the present invention; [0006]
  • FIG. 2 is a perspective assembly view of a foldable chair of a preferred embodiment in accordance with the present invention; [0007]
  • is FIG. 3 is a bottom plan view of a plastics seat pad of a preferred embodiment in accordance with the present invention; [0008]
  • FIG. 4 is a sectional view taken along line [0009] 4A-4A in FIG. 3;
  • FIG. 5 is a sectional schematic view illustrating a support bar connected to a plastics seat pad and a metal front leg tube; [0010]
  • FIG. 6 is a sectional schematic view illustrating a plastics backrest connected to a metal front leg tube; [0011]
  • FIG. 7 is a schematic view illustrating a foldable chair of a preferred embodiment is extended; and [0012]
  • FIG. 8 is a schematic view illustrating a foldable chair of a preferred embodiment is folded.[0013]
    • DETAILED DESCRIPTION OF THE INVENTION
  • Referring to FIGS. [0014] 1 to 8, a foldable chair 8 comprises a plastics seat pad 2, a plastics backrest 3, and a chair frame 1 having a pair of metal front leg tubes 11 and a pair of metal rear leg tubes 12.
  • Each of the metal [0015] front leg tubes 11 and the corresponding metal rear leg tube 12 are connected together.
  • The [0016] plastics backrest 3 has two lateral posts 31 inserted in the metal front leg tubes 11.
  • Two L-[0017] shaped frames 4 are disposed on two sides of the plastics seat pad 2.
  • Each of the L-[0018] shaped frames 4 is connected to the corresponding metal front leg tube 11 and the corresponding metal rear leg tube 12.
  • Each of the L-[0019] shaped frames 4 has a pair of blocking rings 41.
  • Each of the [0020] blocking rings 41 has a through aperture 42.
  • A plurality of [0021] rivets 7 fasten each of the L-shaped frames 4 on the corresponding metal rear leg tube 12 and the corresponding metal front leg tube 11.
  • Each of the metal [0022] front leg tubes 11 has a blocking bar 13 to block the plastics backrest 3.
  • A plurality of first fastening [0023] members 5 fasten the plastics seat pad 2 and the L-shaped frames 4 together.
  • A plurality of [0024] second fastening members 6 fasten the blocking bar 13 and the plastics backrest 3 together.
  • The [0025] plastics seat pad 2 has a pair of lateral recesses 21 to receive the L-shaped frames 4.
  • The present invention is not limited to the above embodiment but various modification thereof may be made. Furthermore, various changes in form and detail may be made without departing from the scope of the present invention. [0026]

Claims (4)

I claim:
1. A foldable chair comprises:
a plastics seat pad, a plastics backrest, and a chair frame having a pair of metal front leg tubes and a pair of metal rear leg tubes,
each of the metal front leg tubes and the corresponding metal rear leg tube connected together,
the plastics backrest having two lateral posts inserted in the metal front leg tubes,
two L-shaped frames disposed on two sides of the plastics seat pad,
each of the L-shaped frames connected to the corresponding metal front leg tube and the corresponding metal rear leg tube,
a plurality of rivets fastening each of the L-shaped frames on the corresponding metal rear leg tube and the corresponding metal front leg tube, and
each of the metal front leg tubes having a blocking bar to block the plastics backrest.
2. The foldable chair as claimed in claim 1, wherein each of the L-shaped frames has a pair of blocking rings and each of the blocking rings has a through aperture.
3. The foldable chair as claimed in claim 1, wherein a plurality of first fastening members fasten the plastics seat pad and the L-shaped frames together and a plurality of second fastening members fasten the blocking bar and the plastics backrest together.
4. The foldable chair as claimed in claim 1, wherein the plastics seat pad has a pair of lateral recesses to receive the L-shaped frames.
US10/093,586 2002-03-07 2002-03-07 Foldable chair Abandoned US20030168894A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/093,586 US20030168894A1 (en) 2002-03-07 2002-03-07 Foldable chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/093,586 US20030168894A1 (en) 2002-03-07 2002-03-07 Foldable chair

Publications (1)

Publication Number Publication Date
US20030168894A1 true US20030168894A1 (en) 2003-09-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
US10/093,586 Abandoned US20030168894A1 (en) 2002-03-07 2002-03-07 Foldable chair

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040251718A1 (en) * 2002-11-07 2004-12-16 Jin Degen Folding chair
US20090146467A1 (en) * 2007-12-06 2009-06-11 Donald Waite Chair
US20100156151A1 (en) * 2008-12-24 2010-06-24 Smith Richard D Folding mesh chair with nesting hoops
USD648554S1 (en) 2009-11-04 2011-11-15 Mity-Lite, Inc. Mesh stacking chair
US20120074737A1 (en) * 2010-09-27 2012-03-29 Tsung-Chieh Huang Convenient telescopic folding chair
USD660612S1 (en) 2010-11-16 2012-05-29 Mity-Lite, Inc. Mesh banquet chair
US8317269B2 (en) 2008-12-24 2012-11-27 Mity-Lite, Inc. Mesh stacking chair
US8322787B2 (en) 2008-12-24 2012-12-04 Mity-Lite, Inc. Clamping joint for a chair
US8454093B2 (en) 2008-12-24 2013-06-04 Mity-Lite, Inc. Mesh chair with open-end hoop
US20150308171A1 (en) * 2014-04-29 2015-10-29 Shape Field Office LLC Folding chair with hinge
US11071388B2 (en) * 2019-08-30 2021-07-27 New-Tec Integration (Xiamen) Co., Ltd. Foldable chair
US11197552B2 (en) * 2019-07-08 2021-12-14 Pro-Cord S.P.A. Flexible backrest for a folding chair, and folding chair comprising this backrest
USD974785S1 (en) * 2020-02-12 2023-01-10 Zhuhai Shichang Metals Ltd. Chair seat and backrest
USD979970S1 (en) * 2020-02-12 2023-03-07 Zhuhai Shichang Metals Ltd. Chair frame and legs

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1836108A (en) * 1927-05-03 1931-12-15 Floyd J Buffington Chair
US2440470A (en) * 1945-03-21 1948-04-27 Greitzer Meyer Chair
US2461055A (en) * 1945-06-30 1949-02-08 Greitzer Meyer Chair
US2525126A (en) * 1947-08-13 1950-10-10 Greitzer Meyer Chair having front seat apron
US2853125A (en) * 1956-07-11 1958-09-23 Namor Products Inc Chair
US4750784A (en) * 1987-06-26 1988-06-14 Omni Products International, Inc. Chairs having detachable backs
US4881776A (en) * 1988-11-22 1989-11-21 Casual Living International Inc. Chairs with foldable backs
US5678892A (en) * 1994-03-15 1997-10-21 Heitlinger; Karl-Leo Adjustable furniture apparatus
US5718474A (en) * 1995-05-31 1998-02-17 Kokuyo Co., Ltd. Foldable chair
US5961184A (en) * 1997-06-06 1999-10-05 Fixtures Manufacturing Corporation Frame-type chair
US6131992A (en) * 1999-06-01 2000-10-17 Chang; Mei-Fang Foldable chair supported by rear supporting legs
US20010033100A1 (en) * 2000-02-03 2001-10-25 Haney Thayne B. Interference fit support bracket for a portable folding chair

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1836108A (en) * 1927-05-03 1931-12-15 Floyd J Buffington Chair
US2440470A (en) * 1945-03-21 1948-04-27 Greitzer Meyer Chair
US2461055A (en) * 1945-06-30 1949-02-08 Greitzer Meyer Chair
US2525126A (en) * 1947-08-13 1950-10-10 Greitzer Meyer Chair having front seat apron
US2853125A (en) * 1956-07-11 1958-09-23 Namor Products Inc Chair
US4750784A (en) * 1987-06-26 1988-06-14 Omni Products International, Inc. Chairs having detachable backs
US4881776A (en) * 1988-11-22 1989-11-21 Casual Living International Inc. Chairs with foldable backs
US5678892A (en) * 1994-03-15 1997-10-21 Heitlinger; Karl-Leo Adjustable furniture apparatus
US5718474A (en) * 1995-05-31 1998-02-17 Kokuyo Co., Ltd. Foldable chair
US5961184A (en) * 1997-06-06 1999-10-05 Fixtures Manufacturing Corporation Frame-type chair
US6131992A (en) * 1999-06-01 2000-10-17 Chang; Mei-Fang Foldable chair supported by rear supporting legs
US20010033100A1 (en) * 2000-02-03 2001-10-25 Haney Thayne B. Interference fit support bracket for a portable folding chair

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040251718A1 (en) * 2002-11-07 2004-12-16 Jin Degen Folding chair
US7017986B2 (en) * 2002-11-07 2006-03-28 Lifetime Products, Inc. Folding chair
WO2009076175A3 (en) * 2007-12-06 2010-01-14 Lifetime Products, Inc. Chair
US20090146467A1 (en) * 2007-12-06 2009-06-11 Donald Waite Chair
US8721003B2 (en) * 2007-12-06 2014-05-13 Lifetime Products, Inc. Folding chair with molded components
USD667649S1 (en) 2007-12-06 2012-09-25 Lifetime Products, Inc. Chair
WO2009076175A2 (en) * 2007-12-06 2009-06-18 Lifetime Products, Inc. Chair
US8029059B2 (en) 2008-12-24 2011-10-04 Mity-Lite, Inc. Folding and stacking mesh chair system
US8033612B2 (en) 2008-12-24 2011-10-11 Mity-Lite, Inc. Comfortable mesh folding chair
US8038221B2 (en) 2008-12-24 2011-10-18 Mity-Lite, Inc. Folding mesh chair with nesting hoops
US9492014B1 (en) 2008-12-24 2016-11-15 Mity-Lite, Inc. Mesh folding chair
US8033598B2 (en) * 2008-12-24 2011-10-11 Mity-Lite, Inc. Mesh folding chair
US20100156151A1 (en) * 2008-12-24 2010-06-24 Smith Richard D Folding mesh chair with nesting hoops
US8317269B2 (en) 2008-12-24 2012-11-27 Mity-Lite, Inc. Mesh stacking chair
US8322787B2 (en) 2008-12-24 2012-12-04 Mity-Lite, Inc. Clamping joint for a chair
US8454093B2 (en) 2008-12-24 2013-06-04 Mity-Lite, Inc. Mesh chair with open-end hoop
USD648554S1 (en) 2009-11-04 2011-11-15 Mity-Lite, Inc. Mesh stacking chair
US8851561B2 (en) * 2010-09-27 2014-10-07 Tsung-Chieh Huang Convenient telescopic folding chair
US20120074737A1 (en) * 2010-09-27 2012-03-29 Tsung-Chieh Huang Convenient telescopic folding chair
USD660612S1 (en) 2010-11-16 2012-05-29 Mity-Lite, Inc. Mesh banquet chair
US20150308171A1 (en) * 2014-04-29 2015-10-29 Shape Field Office LLC Folding chair with hinge
US9737147B2 (en) * 2014-04-29 2017-08-22 Shape Field Office Folding chair with hinge
US11197552B2 (en) * 2019-07-08 2021-12-14 Pro-Cord S.P.A. Flexible backrest for a folding chair, and folding chair comprising this backrest
US11071388B2 (en) * 2019-08-30 2021-07-27 New-Tec Integration (Xiamen) Co., Ltd. Foldable chair
USD974785S1 (en) * 2020-02-12 2023-01-10 Zhuhai Shichang Metals Ltd. Chair seat and backrest
USD979970S1 (en) * 2020-02-12 2023-03-07 Zhuhai Shichang Metals Ltd. Chair frame and legs

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Legal Events

Date Code Title Description
AS Assignment

Owner name: MAXCHIEF INVESTMENTS LTD., HONG KONG

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LIN, WEN-SHEN;REEL/FRAME:012719/0342

Effective date: 20020227

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION