CA2626453A1 - Tilt chair having a flexible back, adjustable armrests and adjustable seat depth, and methods for the use thereof - Google Patents
Tilt chair having a flexible back, adjustable armrests and adjustable seat depth, and methods for the use thereof Download PDFInfo
- Publication number
- CA2626453A1 CA2626453A1 CA002626453A CA2626453A CA2626453A1 CA 2626453 A1 CA2626453 A1 CA 2626453A1 CA 002626453 A CA002626453 A CA 002626453A CA 2626453 A CA2626453 A CA 2626453A CA 2626453 A1 CA2626453 A1 CA 2626453A1
- Authority
- CA
- Canada
- Prior art keywords
- tilt
- rear tilt
- seat
- backrest
- actuator
- 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
Links
Classifications
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- 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
-
- 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
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- 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
- A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
-
- 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
-
- 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
- A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
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- 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
- A47C1/03266—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with adjustable elasticity
-
- 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
-
- 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
- A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
-
- 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
- A47C7/28—Seat parts with tensioned springs, e.g. of flat type
- A47C7/282—Seat parts with tensioned springs, e.g. of flat type with mesh-like supports, e.g. elastomeric membranes
-
- 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
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
-
- 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
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
-
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C9/00—Stools for specified purposes
- A47C9/02—Office stools not provided for in main groups A47C1/00, A47C3/00 or A47C7/00; Workshop stools
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chairs Characterized By Structure (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
A tiltable chair including a housing, a back support pivotally attached to the housing about a first horizontal axis and a seat support pivotally attached to the back support about a second horizontal axis and moveably supported by a curved track formed on the housing. A leaf spring includes a first end supported by the housing and a second end biasing the back support and seat support in an upward direction. Preferably, a fulcrum member, which includes a support surface having a curvilinear contour, is moveably supported in the housing and engages a bottom surface of the spring intermediate the first and second ends of the spring. Preferably, a linkage mechanism including a first and second link is adapted to adjust the position of the fulcrum. In another preferred embodiment, a gear housing is removably disposed in said housing and coupled to the fulcrum. In one preferred embodiment, rearward and forward tilt limiters are provided. In various preferred embodiments, the chair further includes a backrest having a plurality of openings, and armrests that are vertically, laterally and pivotally adjustable. In a preferred embodiment, a kit for assembling a seating structure includes a tilt housing having a plurality of connector arrangements comprising at least a first and second connector arrangement, a first seating arrangement having a first mounting arrangement configured to be connected to the first connector arrangement, and a second seating arrangement having a second mounting arrangement configured to be connected to the second connector arrangement.
Claims (18)
1. A seating structure comprising:
a base;
a seat supported by said base and moveable between a normal tilt position and a forward tilt position;
a backrest supported by said base and moveable between a normal tilt position corresponding to said normal tilt position of said seat and at least one rear tilt position;
a forward tilt limiter coupled to at least one of said seat and backrest to limit the movement of the seat at the forward tilt position, said forward tilt limiter moveable to a forward tilt setting;
a rear tilt limiter coupled to at least one of the seat and backrest to limit the movement of the backrest at the at least one rear tilt position, said rear tilt limiter moveable to at least one rear tilt setting;
a forward tilt actuator coupled to the forward tilt mechanism, wherein said forward tilt actuator is oriented in generally the same orientation as the seat, and wherein the position of the forward tilt actuator is indicative of the setting of the forward tilt limiter; and a rear tilt actuator coupled to the rear tilt mechanism, wherein said rear tilt actuator is oriented in generally the same orientation as the backrest, wherein the position of the rear tilt actuator is indicative of the setting of the rear tilt limiter, and wherein said rear tilt actuator is positioned adjacent said forward tilt actuator in generally the same relationship as the seat and backrest.
a base;
a seat supported by said base and moveable between a normal tilt position and a forward tilt position;
a backrest supported by said base and moveable between a normal tilt position corresponding to said normal tilt position of said seat and at least one rear tilt position;
a forward tilt limiter coupled to at least one of said seat and backrest to limit the movement of the seat at the forward tilt position, said forward tilt limiter moveable to a forward tilt setting;
a rear tilt limiter coupled to at least one of the seat and backrest to limit the movement of the backrest at the at least one rear tilt position, said rear tilt limiter moveable to at least one rear tilt setting;
a forward tilt actuator coupled to the forward tilt mechanism, wherein said forward tilt actuator is oriented in generally the same orientation as the seat, and wherein the position of the forward tilt actuator is indicative of the setting of the forward tilt limiter; and a rear tilt actuator coupled to the rear tilt mechanism, wherein said rear tilt actuator is oriented in generally the same orientation as the backrest, wherein the position of the rear tilt actuator is indicative of the setting of the rear tilt limiter, and wherein said rear tilt actuator is positioned adjacent said forward tilt actuator in generally the same relationship as the seat and backrest.
2. The seating structure of claim 1 wherein said rear tilt actuator has generally the same shape as the backrest.
3. The seating structure of claim 1 wherein said forward tilt actuator has generally the same shape as the seat.
4. The seating structure of claim 1 wherein said forward tilt actuator and said rear tilt actuator are independently moveable relative to said seat and said backrest respectively, and wherein said forward tilt actuator is moveable between at least a first and second position, wherein said forward tilt limiter is moved to said forward tilt setting as said forward tilt actuator is moved between said first and second positions, and wherein said rear tilt actuator is moveable between at least a first and second position, wherein said rear tilt limiter is moved to at least first and second rear tilt settings as said rear tilt actuator is moved between said first and second positions.
5. The seating structure of claim 1 wherein said forward tilt actuator and said rear tilt actuator are formed separately from said seat and said backrest.
6. The seating structure of claim 1 wherein said forward tilt actuator and said rear tilt actuator comprise separate paddle members disposed entirely adjacent one side of said seat.
7. The seating structure of claim 1 wherein said forward and rear tilt actuators are coincidentally pivotable about a single horizontal axis.
8. The seating structure of claim 1 wherein said rear tilt limiter is moveable to a plurality of rear tilt settings, and wherein said rear tilt actuator is moveable to a plurality of rear tilt positions corresponding to said plurality of rear tilt settings.
9. A control device for an adjustable seating structure, the control device comprising:
a seat member;
a backrest member, wherein said seat member and said backrest member define a seating structure;
a first adjustment control positioned in an orientation approximating said seat member, said first adjustment control moveable about a horizontal axis;
a second adjustment control positioned adjacent the first adjustment control in an orientation approximating said backrest member, said second adjustment control moveable about said horizontal axis, wherein said first adjustment control and said second adjustment control in combination generally resemble said seating structure, wherein said first and second adjustment controls are independently moveable relative to said seat member and said backrest member respectively, and wherein said first and second adjustment controls are visible to a user.
a seat member;
a backrest member, wherein said seat member and said backrest member define a seating structure;
a first adjustment control positioned in an orientation approximating said seat member, said first adjustment control moveable about a horizontal axis;
a second adjustment control positioned adjacent the first adjustment control in an orientation approximating said backrest member, said second adjustment control moveable about said horizontal axis, wherein said first adjustment control and said second adjustment control in combination generally resemble said seating structure, wherein said first and second adjustment controls are independently moveable relative to said seat member and said backrest member respectively, and wherein said first and second adjustment controls are visible to a user.
10. The control device of claim 9 wherein said second adjustment control is generally shaped like the backrest member.
11. The control device of claim 9 wherein said second adjustment control is coupled to a rear tilt limiter.
12. The control device of claim 11 wherein said first adjustment control is coupled to a forward tilt limiter.
13. The control device of claim 12 wherein said first adjustment control is indicative of the setting of the forward tilt limiter.
14. The control device of claim 11 wherein the position of the second adjustment control is indicative of the setting of the rear tilt limiter.
15. The control device of claim 11 wherein said rear tilt limiter is moveable to a plurality of rear tilt settings, and wherein said second adjustment control is moveable to a plurality of rear tilt positions corresponding to said plurality of rear tilt settings.
16. The control device of claim 9 wherein said first adjustment control has generally the same shape as the seat member.
17. The control device of claim 9 wherein said first and second adjustment controls are formed separately from said seat member and said backrest member respectively.
18. The control device of claim 9 wherein said first and second adjustment controls comprise separate first and second paddle members disposed entirely adjacent one side of said seat member.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35647802P | 2002-02-13 | 2002-02-13 | |
US60/356,478 | 2002-02-13 | ||
US41857802P | 2002-10-15 | 2002-10-15 | |
US60/418,578 | 2002-10-15 | ||
CA2472070A CA2472070C (en) | 2002-02-13 | 2003-02-12 | Tilt chair having a flexible back, adjustable armrests and adjustable seat depth, and methods for the use thereof |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2472070A Division CA2472070C (en) | 2002-02-13 | 2003-02-12 | Tilt chair having a flexible back, adjustable armrests and adjustable seat depth, and methods for the use thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2626453A1 true CA2626453A1 (en) | 2003-08-21 |
CA2626453C CA2626453C (en) | 2011-02-01 |
Family
ID=27737539
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002626404A Expired - Lifetime CA2626404C (en) | 2002-02-13 | 2003-02-12 | Tilt chair having a flexible back, adjustable armrests and adjustable seat depth, and methods for the use thereof |
CA2472070A Expired - Lifetime CA2472070C (en) | 2002-02-13 | 2003-02-12 | Tilt chair having a flexible back, adjustable armrests and adjustable seat depth, and methods for the use thereof |
CA2626453A Expired - Lifetime CA2626453C (en) | 2002-02-13 | 2003-02-12 | Tilt chair having a flexible back, adjustable armrests and adjustable seat depth, and methods for the use thereof |
CA2684418A Expired - Lifetime CA2684418C (en) | 2002-02-13 | 2003-02-12 | Back support structure |
CA002626409A Expired - Lifetime CA2626409C (en) | 2002-02-13 | 2003-02-12 | Tilt chair having a flexible back, adjustable armrests and adjustable seat depth, and methods for the use thereof |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002626404A Expired - Lifetime CA2626404C (en) | 2002-02-13 | 2003-02-12 | Tilt chair having a flexible back, adjustable armrests and adjustable seat depth, and methods for the use thereof |
CA2472070A Expired - Lifetime CA2472070C (en) | 2002-02-13 | 2003-02-12 | Tilt chair having a flexible back, adjustable armrests and adjustable seat depth, and methods for the use thereof |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2684418A Expired - Lifetime CA2684418C (en) | 2002-02-13 | 2003-02-12 | Back support structure |
CA002626409A Expired - Lifetime CA2626409C (en) | 2002-02-13 | 2003-02-12 | Tilt chair having a flexible back, adjustable armrests and adjustable seat depth, and methods for the use thereof |
Country Status (6)
Country | Link |
---|---|
US (6) | US7249802B2 (en) |
AU (5) | AU2003216239B2 (en) |
CA (5) | CA2626404C (en) |
DE (4) | DE10397012A5 (en) |
GB (4) | GB2400312B (en) |
WO (1) | WO2003068025A2 (en) |
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- 2003-02-12 DE DE10397012.6T patent/DE10397012A5/en not_active Ceased
- 2003-02-12 DE DE10397009.6T patent/DE10397009A5/en not_active Withdrawn
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- 2003-02-12 CA CA002626409A patent/CA2626409C/en not_active Expired - Lifetime
- 2003-02-12 DE DE10397011.8T patent/DE10397011A5/en not_active Ceased
- 2003-02-12 GB GB0515248A patent/GB2414391B/en not_active Expired - Lifetime
- 2003-02-12 AU AU2003216239A patent/AU2003216239B2/en not_active Expired
- 2003-12-17 US US10/738,641 patent/US7425037B2/en active Active
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2005
- 2005-12-06 US US11/296,118 patent/US7213880B2/en not_active Expired - Lifetime
- 2005-12-06 US US11/296,845 patent/US7213886B2/en not_active Expired - Lifetime
- 2005-12-07 US US11/296,617 patent/US7419222B2/en not_active Expired - Lifetime
-
2007
- 2007-11-16 AU AU2007234517A patent/AU2007234517B2/en not_active Expired
- 2007-11-16 AU AU2007234516A patent/AU2007234516B2/en not_active Expired
- 2007-11-16 AU AU2007234518A patent/AU2007234518B2/en not_active Expired
-
2008
- 2008-09-16 US US12/211,335 patent/US7841666B2/en not_active Expired - Lifetime
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2010
- 2010-06-30 AU AU2010202761A patent/AU2010202761B2/en not_active Expired
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