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US20030168893A1 - Foldable chair - Google Patents

Foldable chair Download PDF

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Publication number
US20030168893A1
US20030168893A1 US10/093,556 US9355602A US2003168893A1 US 20030168893 A1 US20030168893 A1 US 20030168893A1 US 9355602 A US9355602 A US 9355602A US 2003168893 A1 US2003168893 A1 US 2003168893A1
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US
United States
Prior art keywords
front leg
metal front
plastics
metal
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.)
Granted
Application number
US10/093,556
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US6616223B1 (en
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
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Individual
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 Individual filed Critical Individual
Priority to US10/093,556 priority Critical patent/US6616223B1/en
Assigned to MAXCHIEF INVESTMENTS LTD. reassignment MAXCHIEF INVESTMENTS LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LIN, WEN-SHEN
Application granted granted Critical
Publication of US6616223B1 publication Critical patent/US6616223B1/en
Publication of US20030168893A1 publication Critical patent/US20030168893A1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A47C4/28—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
    • 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.
  • a support bar has two positioning ends connected to the metal front leg tubes.
  • Two U-shaped frames are disposed on two positioning ends of the support bar. Each of the U-shaped frames is connected to the corresponding metal front leg tube and the corresponding metal rear 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 .
  • a support bar 5 has two positioning ends 51 connected to the metal front leg tubes 11 .
  • Two U-shaped frames 4 are disposed on two positioning ends 51 of the support bar 5 .
  • Each of the U-shaped frames 4 is connected to the corresponding metal front leg tube 11 and the corresponding metal rear leg tube 12 .
  • a plurality of rivets 7 fasten each of the U-shaped frames 4 on the corresponding metal rear leg tube 12 and the support bar 5 on 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 fastening members 6 fasten the support bar 5 and the plastics seat pad 2 together and 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 U-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. A support bar has two positioning ends connected to the metal front leg tubes. Two U-shaped frames are disposed on two positioning ends of the support bar. Each U-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. A support bar has two positioning ends connected to the metal front leg tubes. Two U-shaped frames are disposed on two positioning ends of the support bar. Each of the U-shaped frames is connected to the corresponding metal front leg tube and the corresponding metal rear 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]
  • 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.
  • A [0017] support bar 5 has two positioning ends 51 connected to the metal front leg tubes 11.
  • Two [0018] U-shaped frames 4 are disposed on two positioning ends 51 of the support bar 5.
  • Each of the [0019] U-shaped frames 4 is connected to the corresponding metal front leg tube 11 and the corresponding metal rear leg tube 12.
  • A plurality of [0020] rivets 7 fasten each of the U-shaped frames 4 on the corresponding metal rear leg tube 12 and the support bar 5 on the corresponding metal front leg tube 11.
  • Each of the metal [0021] front leg tubes 11 has a blocking bar 13 to block the plastics backrest 3.
  • A plurality of fastening [0022] members 6 fasten the support bar 5 and the plastics seat pad 2 together and the blocking bar 13 and the plastics backrest 3 together.
  • The [0023] plastics seat pad 2 has a pair of lateral recesses 21 to receive the U-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. [0024]

Claims (2)

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,
a support bar having two positioning ends connected to the metal front leg tubes,
two U-shaped frames disposed on two positioning ends of the support bar,
each of the U-shaped frames connected to the corresponding metal front leg tube and the corresponding metal rear 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 the plastics seat pad has a pair of lateral recesses to receive the U-shaped frames.
US10/093,556 2002-03-07 2002-03-07 Foldable chair Expired - Lifetime US6616223B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/093,556 US6616223B1 (en) 2002-03-07 2002-03-07 Foldable chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/093,556 US6616223B1 (en) 2002-03-07 2002-03-07 Foldable chair

Publications (2)

Publication Number Publication Date
US6616223B1 US6616223B1 (en) 2003-09-09
US20030168893A1 true US20030168893A1 (en) 2003-09-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
US10/093,556 Expired - Lifetime US6616223B1 (en) 2002-03-07 2002-03-07 Foldable chair

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100279230A1 (en) * 2004-08-24 2010-11-04 Tomoyoshi Mitsumoto Production method of lithographic printing plate, lithographic printing plate precursor and lithographic printing method
US20120074737A1 (en) * 2010-09-27 2012-03-29 Tsung-Chieh Huang Convenient telescopic folding chair
EP2478797A1 (en) * 2011-01-19 2012-07-25 Tsung Chieh Huang Convenient Telescopic Folding Chair

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2587251Y (en) * 2002-11-07 2003-11-26 来福太(厦门)塑胶制品有限公司 Foldable chair
US6905172B1 (en) * 2003-11-14 2005-06-14 Joe R. Barnett Adjustable chair device, kit and method of using same
US20060071511A1 (en) * 2004-09-24 2006-04-06 Chuen-Jong Tseng Collapsible chair
US7399036B2 (en) * 2006-12-01 2008-07-15 Sabic Innovative Plastics Ip B.V. Molded plastic universal seat
DE102007041222A1 (en) * 2007-08-31 2009-03-05 Lear Corp., Southfield Vehicle seat composite frame
CN202269689U (en) * 2011-05-05 2012-06-13 深圳置善饮食管理有限公司 Foldable chair
US20160242550A1 (en) * 2015-02-21 2016-08-25 Ben Alton Hammock Chair Assembly
USD802954S1 (en) 2015-05-03 2017-11-21 Zhuhai Shichang Metals, Ltd. Foldable chair
US10441082B2 (en) * 2017-12-12 2019-10-15 Tsung-Chieh Huang Chair capable of installing a handle freely
IT201900011166A1 (en) * 2019-07-08 2021-01-08 Pro Cord Spa FLEXIBLE BACKREST FOR A FOLDING CHAIR AND FOLDING CHAIR INCLUDING THIS BACKREST
CN211242450U (en) * 2019-08-30 2020-08-14 厦门新技术集成有限公司 Folding chair

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1873768A (en) * 1926-04-19 1932-08-23 Stakmore Co Inc Folding chair
CA427677A (en) * 1937-10-21 1945-05-22 B. O'connor John Metal folding chair
US2729275A (en) * 1955-02-18 1956-01-03 American Seating Co Folding chair with independent seat-fold
US3498668A (en) * 1968-01-29 1970-03-03 Telescope Folding Furniture Co Seat for a captain's chair
US3977721A (en) * 1975-06-26 1976-08-31 Gold Medal, Inc. Replaceable flexible back panel for folding chairs
US4526423A (en) * 1983-06-06 1985-07-02 Meinershagen Charles I Back brace for director's chair
DE19520390C1 (en) * 1995-06-02 1996-11-21 Hartmut Lohmeyer One piece plastics furniture frame
EP0955846A1 (en) * 1996-06-05 1999-11-17 Herman Miller, Inc. Chair construction
US5735572A (en) * 1997-01-16 1998-04-07 Ford Global Technologies, Inc. Vehicle seat back frame and airbag module assembly
US5868469A (en) * 1998-03-30 1999-02-09 Ming; Liao Tsung Folding chair having a seat adjustable in height

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100279230A1 (en) * 2004-08-24 2010-11-04 Tomoyoshi Mitsumoto Production method of lithographic printing plate, lithographic printing plate precursor and lithographic printing method
US20120074737A1 (en) * 2010-09-27 2012-03-29 Tsung-Chieh Huang Convenient telescopic folding chair
US8851561B2 (en) * 2010-09-27 2014-10-07 Tsung-Chieh Huang Convenient telescopic folding chair
EP2478797A1 (en) * 2011-01-19 2012-07-25 Tsung Chieh Huang Convenient Telescopic Folding Chair

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Publication number Publication date
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