WO2000072727A3 - Synchrotilt chair - Google Patents

Synchrotilt chair Download PDF

Info

Publication number
WO2000072727A3
WO2000072727A3 PCT/US2000/014723 US0014723W WO0072727A3 WO 2000072727 A3 WO2000072727 A3 WO 2000072727A3 US 0014723 W US0014723 W US 0014723W WO 0072727 A3 WO0072727 A3 WO 0072727A3
Authority
WO
WIPO (PCT)
Prior art keywords
link
seat
synchrotilt chair
base
synchrotilt
Prior art date
Application number
PCT/US2000/014723
Other languages
French (fr)
Other versions
WO2000072727A2 (en
Inventor
Peter J Pearce
Kurt R Heidmann
Robert J Battey
Dale M Groendal
Bruce M Smith
Original Assignee
Steelcase Inc
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 Steelcase Inc filed Critical Steelcase Inc
Priority to CA002375101A priority Critical patent/CA2375101A1/en
Priority to EP00936380A priority patent/EP1180954A4/en
Priority to MXPA01012094A priority patent/MXPA01012094A/en
Publication of WO2000072727A2 publication Critical patent/WO2000072727A2/en
Publication of WO2000072727A3 publication Critical patent/WO2000072727A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/04—Stackable chairs; Nesting chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03277—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with bar or leaf springs
    • 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
    • A47C7/02—Seat parts
    • A47C7/024—Seat parts with double seats
    • 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
    • A47C7/405—Support for the head or the back for the back with double backrests

Abstract

A synchrotilt chair (50) includes a base (51), a back (53), a seat (52), and a link(s) (54) pivoted to a rear of the base and bottom of the back to form a four-bar linkage arrangement. A spring arrangement (55) includes a resilient member at one of the joints of each link to bias the link and in turn the back and seat toward and upright position, with the back and seat pivoting with a synchronous movement.
PCT/US2000/014723 1999-05-27 2000-05-25 Synchrotilt chair WO2000072727A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002375101A CA2375101A1 (en) 1999-05-27 2000-05-25 Synchrotilt chair
EP00936380A EP1180954A4 (en) 1999-05-27 2000-05-25 Synchrotilt chair
MXPA01012094A MXPA01012094A (en) 1999-05-27 2000-05-25 Synchrotilt chair.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/321,275 US6412869B1 (en) 1999-05-27 1999-05-27 Nestable synchrotilt chair
US09/321,275 1999-05-27

Publications (2)

Publication Number Publication Date
WO2000072727A2 WO2000072727A2 (en) 2000-12-07
WO2000072727A3 true WO2000072727A3 (en) 2001-11-15

Family

ID=23249922

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/014723 WO2000072727A2 (en) 1999-05-27 2000-05-25 Synchrotilt chair

Country Status (5)

Country Link
US (3) US6412869B1 (en)
EP (1) EP1180954A4 (en)
CA (1) CA2375101A1 (en)
MX (1) MXPA01012094A (en)
WO (1) WO2000072727A2 (en)

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Also Published As

Publication number Publication date
US6536841B1 (en) 2003-03-25
US6412869B1 (en) 2002-07-02
EP1180954A2 (en) 2002-02-27
MXPA01012094A (en) 2002-06-04
WO2000072727A2 (en) 2000-12-07
CA2375101A1 (en) 2000-12-07
US6786548B2 (en) 2004-09-07
EP1180954A4 (en) 2005-09-28
US20030020309A1 (en) 2003-01-30

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