EP0904713A3 - Swinging supporting frame for a chair seat and back - Google Patents

Swinging supporting frame for a chair seat and back Download PDF

Info

Publication number
EP0904713A3
EP0904713A3 EP98105311A EP98105311A EP0904713A3 EP 0904713 A3 EP0904713 A3 EP 0904713A3 EP 98105311 A EP98105311 A EP 98105311A EP 98105311 A EP98105311 A EP 98105311A EP 0904713 A3 EP0904713 A3 EP 0904713A3
Authority
EP
European Patent Office
Prior art keywords
arm
walls
spacer
springs
chair seat
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.)
Withdrawn
Application number
EP98105311A
Other languages
German (de)
French (fr)
Other versions
EP0904713A2 (en
Inventor
Luigi Zen
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.)
AAA NE Italy made Srl
Original Assignee
AAA NE Italy made Srl
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 AAA NE Italy made Srl filed Critical AAA NE Italy made Srl
Publication of EP0904713A2 publication Critical patent/EP0904713A2/en
Publication of EP0904713A3 publication Critical patent/EP0904713A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • A47C1/027—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of clamps or friction locking members
    • 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—Supports for the head or the back
    • A47C7/40—Supports for the head or the back for the back
    • A47C7/44—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/443—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
    • A47C7/444—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs of torsion type

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

A swinging supporting frame for a chair seat and back, comprising:
  • a sustantially horizontal arm (1) for fastening a chair seat;
  • a telescopic rod (2) supporting the chair back and being hinged to said arm (1);
  • one or more springs (40) acting on said vertical rod to push the chair back forward;
  • a spacer (44) inserted between the walls (5) of said horizontal arm; and
  • screw means (16) for pressing the walls of said telescopic rod (2) against the walls (5) of said arm (1) and against said spacer (44) to lock the chair back in position, wherein said springs (40) are helical springs inserted onto the hinge pin (6) which is fitted on said arm (1) and said telescopic rod (2), one of the ends of said springs acting directly against the wall of said arm (1) and the other spring end acting against said rod, in particular against said spacer (44) inserted on said clamping screw means.
A plurality of friction plates (10) are arranged between said spacer (44) and the walls of said arm (1), and in order to position and set up said plates (10), said frame includes a pair of teeth (8, 9) obtained in the walls (5) of said arm by blanking and drawing.
EP98105311A 1997-09-22 1998-03-24 Swinging supporting frame for a chair seat and back Withdrawn EP0904713A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT97PC000026A IT1296230B1 (en) 1997-09-22 1997-09-22 SWINGING SUPPORT FOR THE BACK OF A SEAT
ITPC970026 1997-09-22

Publications (2)

Publication Number Publication Date
EP0904713A2 EP0904713A2 (en) 1999-03-31
EP0904713A3 true EP0904713A3 (en) 2000-05-03

Family

ID=11389263

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98105311A Withdrawn EP0904713A3 (en) 1997-09-22 1998-03-24 Swinging supporting frame for a chair seat and back

Country Status (3)

Country Link
EP (1) EP0904713A3 (en)
CA (1) CA2230107A1 (en)
IT (1) IT1296230B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20030042A1 (en) 2003-02-25 2004-08-26 Erreti Snc Di Rinaldo Tonin & C CUSHIONING DEVICE TO CUSHION A BACK OF A CHAIR, AN ARMCHAIR, AN OFFICE ARMCHAIR OR SIMILAR.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062587A (en) * 1976-01-13 1977-12-13 Herman Miller, Inc. Back position control device for chairs
US5066069A (en) * 1990-05-03 1991-11-19 Systems Furniture Company Chair back and seat adjustment mechanism
WO1994009682A1 (en) * 1992-10-23 1994-05-11 Doerner Products Ltd. Unitary brake for a chair tilt mechanism
US5560682A (en) * 1992-12-01 1996-10-01 Klasse Pty Ltd Adjustment mechanism for a chair

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062587A (en) * 1976-01-13 1977-12-13 Herman Miller, Inc. Back position control device for chairs
US5066069A (en) * 1990-05-03 1991-11-19 Systems Furniture Company Chair back and seat adjustment mechanism
WO1994009682A1 (en) * 1992-10-23 1994-05-11 Doerner Products Ltd. Unitary brake for a chair tilt mechanism
US5560682A (en) * 1992-12-01 1996-10-01 Klasse Pty Ltd Adjustment mechanism for a chair

Also Published As

Publication number Publication date
EP0904713A2 (en) 1999-03-31
IT1296230B1 (en) 1999-06-18
ITPC970026A1 (en) 1999-03-22
CA2230107A1 (en) 1999-03-22
ITPC970026A0 (en) 1997-09-22

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