US20070085401A1 - Adjustable head support for a chair - Google Patents

Adjustable head support for a chair Download PDF

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Publication number
US20070085401A1
US20070085401A1 US11/545,192 US54519206A US2007085401A1 US 20070085401 A1 US20070085401 A1 US 20070085401A1 US 54519206 A US54519206 A US 54519206A US 2007085401 A1 US2007085401 A1 US 2007085401A1
Authority
US
United States
Prior art keywords
lever
head rest
chair
adjustable head
head support
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
US11/545,192
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English (en)
Inventor
Kurt Hunziker
Alexandre Tapis
Andre Degonda
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.)
Degonda Rehab SA
Original Assignee
Degonda Rehab SA
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 Degonda Rehab SA filed Critical Degonda Rehab SA
Assigned to DEGONDA REHAB SA reassignment DEGONDA REHAB SA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DEGONDA, ANDRE, HUNZIKER, KURT, TAPIS, ALEXANDRE
Publication of US20070085401A1 publication Critical patent/US20070085401A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/121—Rests specially adapted therefor, e.g. for the head or the feet for head or neck

Definitions

  • the present invention is directed to an adjustable head support for a chair, in particular for a wheel chair or a raising wheel chair.
  • the U.S. Pat. No. 5,366,036 discloses a wheel chair, and more particularly a wheel chair which can elevate its occupant from a sitting position to a standing position.
  • a wheel chair which can elevate its occupant from a sitting position to a standing position.
  • a piece of square tube is welded in which a square tube on which a head rest is mounted can be horizontally moved and arrested at the desired position. It has the disadvantage that for the user sitting in the wheel chair it is not possible to adjust the head rest.
  • U.S. Pat. No. 3,730,589 discloses a wheel chair provided with a vertical bar on which a head rest is connected with a clamp.
  • This clamp is of a design permitting vertical and horizontal adjustment of the head rest. In the vertical plane also an angular adjustment of- the head rest is possible (column 2, line 65 to column 3, line 5). These adjustments, however, can not be made by the user sitting in the wheel chair.
  • U.S. Pat. No. 6,726,280 does not disclose a head rest, but a back support. It comprises a mechanism in form of a lever parallelogram for simultaneously adjusting the back rest in vertical and horizontal direction. However, for a head rest this is not desirable, because the user of the wheel chair should be able to make an adjustment in the horizontal direction independently from an adjustment in the vertical direction.
  • the U.S. Pat. No. 6,550,856 discloses a mechanism having the same disadvantage like the mechanism just described.
  • the headrest is laterally connected by a lever parallelogram to the seat back of a vehicle seat. Accordingly, when the seat back is forwardly tilted the head rest is moved also downward in order to reduce the total length of the seat back so that the head rest does not collide with the roof liner or the sun visor (column 1, lines 28 to 32, FIG. 3 a ). For a wheelchair this design is not suitable. It has also the disadvantage that the head rest can not be removed.
  • adjustable head support which can easily be adjusted by the user of the chair, particularly the wheelchair. It should also conform to aesthetic requirements.
  • the adjustable head rest support should permit adjustment in one direction, for example in horizontal direction, without causing a susceptible movement in an other direction.
  • an adjustable head support comprising a head rest, a vertical support bar for the head rest, means for attaching the vertical support bar to the chair, an adjusting mechanism for adjusting the horizontal position of the head rest, said adjusting mechanism comprising at least one lever pivotally connected to the upper portion of said vertical support bar and extending substantially vertically from the top of the vertical support bar to the headrest, an actuator for the adjusting mechanism and a linkage between the actuator and the adjusting mechanism. Because the adjusting mechanism for adjusting the horizontal position of the head rest is located on the top of the vertical support bar, a horizontal adjustment of the head rest does not cause a vertical movement recognizable by the user of the chair, this in contrast to the Prior Art according to U.S. Pat. No. 6,550,856.
  • a further advantage consists in that the vertical support bar together with the adjusting mechanism and the head rest can easily be removed, e.g. for transportation.
  • the linkage between the actuator and the adjusting mechanism could be a rod or lever.
  • a flexible device for example a Bowden-cable. This allows easy adjusting of the head rest in vertical direction.
  • the adjusting mechanism may comprises a single lever which at the top is connected to the head rest.
  • a lever parallelogram is provided because it permits a movement of the head rest better adapted to the anatomy of the user.
  • the connection of the adjusting mechanism with the head rest may be rigid or pivotal. Camp means may be provided to arrest the pivotal connection when the head rest is in the desired position.
  • the lever parallelogram comprises a first and a second lever spaced from each other and pivotally connected at substantially the same height to the vertical support.
  • the distance between the pivotal connection of the first and the second lever may be variable. This permits to adapt the movement of the head rest to the anatomy of the user.
  • the levers of the adjusting mechanism may be overlapping. Accordingly, there is no danger of getting fingers or objects grabbed in between. Because the adjusting mechanism may be of slender design it can easily be enclosed by a flexible cover. This contributes to the nice appearance of the adjustable head support. The same is true for the possibility of using curved levers.
  • FIG. 1 shows an adjustable head support attached to a chair.
  • FIG. 2 shows a side elevation of the adjustable head support according to FIG. 1 .
  • FIG. 3 shows a perspective view of the adjustable head support according to FIGS. 1 and 2 .
  • FIG. 4 a to 4 c represent different horizontal positions of the head rest.
  • the head rest unit 10 shown in the FIGS. 1 to 3 comprises a vertical adjustable support bar which can be moved vertically in a guide 13 , which is attachable to the chair 12 .
  • the support bar 13 can be arrested in the desired position by a set screw 15 or the like.
  • the support bar 11 is at the top provided with a plate 17 carrying the mechanism 18 for horizontal adjustment of a head rest 19 .
  • the device 18 is a lever mechanism connected by a mechanical connection device 21 to an actuator 23 , e.g. a linear motor.
  • the actuator 23 can be remote controlled by the user of the chair.
  • the connection device 21 is a so called Bowden-cable.
  • a Bowden-cable comprises a wire 25 and a sheating 27 .
  • the lever mechanism 18 may have a single lever connected to the head rest 19 .
  • the lever mechanism 18 is a lever parallelogram.
  • This lever parallelogram 18 comprises a first lever 33 and a second lever 35 which have a curved form and are overlapping each other in every position of the lever parallelogram ( FIG. 4 a to 4 c ).
  • the levers 33 , 35 may be enclosed by a cover (not shown).
  • the first lever 33 is pivotally connected with its lower end at 37 to the plate 17 and with the upper end at 39 to the connecting lever 45 .
  • the second lever 35 is with the lower end privotally connected at 41 to the plate 17 and with the upper end at 43 to the connecting lever 45 . It is possible to provide different pivot points, that is different holes, at the connecting lever 45 , so that the distance between the pivot points may be changed.
  • the connecting lever 45 may consist of two parts connected by screws so as to permit to change of the distance between the pivot points 39 and 43 .
  • the head rest 19 is rigidly or with an articulation 46 connected to the connection lever 45 .
  • a Bowden-cable 21 connects the linear motor 23 with the lever mechanism 18 .
  • the sheating 27 of the Bowden-cable 21 is connected to a movable part 29 of the linear motor, the wire 25 , however, to a stationary part 31 .
  • the sheating 27 of the Bowden-cable 21 is connected to the arm 47 of the two-armed first lever 33 .
  • the wire 25 is led over a roller or pin 49 of the second lever 35 and is also connected to the arm 47 .

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Otolaryngology (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
US11/545,192 2005-10-10 2006-10-10 Adjustable head support for a chair Abandoned US20070085401A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH16292005 2005-10-10
CH01629/05 2005-10-10

Publications (1)

Publication Number Publication Date
US20070085401A1 true US20070085401A1 (en) 2007-04-19

Family

ID=35637110

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/545,192 Abandoned US20070085401A1 (en) 2005-10-10 2006-10-10 Adjustable head support for a chair

Country Status (4)

Country Link
US (1) US20070085401A1 (fr)
EP (1) EP1772130B1 (fr)
AT (1) ATE464871T1 (fr)
DE (1) DE502006006769D1 (fr)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090001799A1 (en) * 2007-06-29 2009-01-01 Diller Mark G Procedure chair with interchangeable headrests
WO2009126149A1 (fr) * 2008-04-08 2009-10-15 Lear Corporation Système de retenue de tête actif pour siège de véhicule
US20110175422A1 (en) * 2010-01-21 2011-07-21 Bae Industries, Inc. Scissor retractable headrest
US20130093232A1 (en) * 2011-10-18 2013-04-18 Yu-Jen Lin Reclining chair headrest with height adjustment mechanism
USD747238S1 (en) * 2012-10-31 2016-01-12 Roger Thomas Mascull And Elizabeth Jocelyn Mascull As Trustees Of The Rt And Ej Mascull Family Trust Headrest
US9333887B2 (en) * 2014-06-26 2016-05-10 Ford Global Technologies, Llc Power articulating headrest assembly
WO2019032998A1 (fr) * 2017-08-11 2019-02-14 The Comfort Companies, Inc. Ensemble charnière pour élément de fauteuil roulant
US20190184878A1 (en) * 2017-12-19 2019-06-20 Adient Engineering and IP GmbH Vehicle seat with cantilevered headrest assembly and positioning system
US10327554B2 (en) 2016-02-10 2019-06-25 The Comfort Companies, Llc Adjustable head support
EP3508094A1 (fr) * 2018-01-09 2019-07-10 Kintec-Solution GmbH Appui-tête actionné par câble pour siège et siège
US10874221B1 (en) * 2019-06-27 2020-12-29 Iou Jia Industrial Co., Ltd. Head and neck adjusting device for chair
US11229293B2 (en) * 2019-07-08 2022-01-25 Ali Budiman Adjustable tool-free ergonomic headrest for a desk chair
US11291304B1 (en) 2021-04-02 2022-04-05 Ford Global Technologies, Llc Seatback and headrest assembly
USD961464S1 (en) * 2020-12-29 2022-08-23 Participant Assistive Products Multifunctional mobility system seat
USD972981S1 (en) * 2020-06-15 2022-12-20 Rolapal Limited Headrest support for a wheelchair
US20240074585A1 (en) * 2022-09-02 2024-03-07 Iou Jia Industrial Co., Ltd. Headrest Adjusting Structure for Office Chair
USD1032268S1 (en) 2020-04-07 2024-06-25 Ali Budiman Headrest

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1400287B1 (it) * 2010-05-25 2013-05-24 Vassilli Srl Appoggiatesta dinamico.
DE202010010759U1 (de) 2010-07-28 2010-10-28 Sorg Rollstuhltechnik Gmbh + Co. Kg Verstellbare Kopfstütze für Rollstühle
DE102010032533B4 (de) 2010-07-28 2018-08-30 Marcel Sorg Verstellbare Kopfstütze für Rollstühle
DE102013218863B4 (de) 2013-09-19 2016-09-08 Udo John Vorrichtung zur Kopf- und/oder Rumpfpositionierung
CN106137594A (zh) * 2016-07-22 2016-11-23 太仓市中峰模具塑胶有限公司 一种万能可调头枕结构

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US619272A (en) * 1899-02-14 Vania
US2545313A (en) * 1951-03-13 Beautician s device for retaining a
US2973029A (en) * 1958-06-16 1961-02-28 Clifford F Schlosstein Passenger safety equipment for automobile
US3477761A (en) * 1968-03-06 1969-11-11 Coastal Dynamics Corp Dental chair headrest
US3730589A (en) * 1971-12-09 1973-05-01 Avco Corp Head or back support for wheelchair
US4366985A (en) * 1981-02-13 1983-01-04 Pelton & Crane Adjustable headrest for treatment chair
US4733913A (en) * 1984-12-12 1988-03-29 Ikeda Bussan Co., Ltd. Headrest
US4840429A (en) * 1987-08-14 1989-06-20 Siemens Aktiengesellschaft Motor-adjustable head support for a dental treatment chair
US5052754A (en) * 1989-03-31 1991-10-01 Ikeda Bussan Co., Ltd. Headrest arrangement
US5054856A (en) * 1990-06-13 1991-10-08 Wang Chuan M Headrest of a car seat
US5366036A (en) * 1993-01-21 1994-11-22 Perry Dale E Power stand-up and reclining wheelchair
US5664841A (en) * 1995-07-19 1997-09-09 Lear Corporation Italia Spa Motor-vehicle seat
US5711579A (en) * 1995-06-28 1998-01-27 Volkswagen Ag Locking arrangement for a head restraint
US6213548B1 (en) * 1999-08-12 2001-04-10 Trw Inc. Head restraint apparatus
US6368261B1 (en) * 1998-03-14 2002-04-09 Steven John Doehler Desk chair for the prevention of repetitive stress injuries
US6550856B1 (en) * 1999-09-17 2003-04-22 Lear Corporation Vehicle seat
US20030160481A1 (en) * 2002-02-27 2003-08-28 Lear Corporation Translatable head restraint for automotive seat backrest
US6688697B2 (en) * 2000-09-26 2004-02-10 Daimlerchrysler Ag Head restraint
US20040070252A1 (en) * 2002-08-25 2004-04-15 Sedus Stoll Ag Neck support for a chair
US6726280B1 (en) * 2002-12-23 2004-04-27 Jih-Shun Liao Mechanism for adjusting the height of the back support of chair

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10147349A1 (de) * 2001-03-27 2002-10-02 Kaltenbach & Voigt Medizinischer oder dentalmedizinischer Behandlungsstuhl
DE10161624C1 (de) * 2001-12-14 2002-11-28 Herbert Brustmann Fahrbarer Stuhl für den Krankentransport

Patent Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US619272A (en) * 1899-02-14 Vania
US2545313A (en) * 1951-03-13 Beautician s device for retaining a
US2973029A (en) * 1958-06-16 1961-02-28 Clifford F Schlosstein Passenger safety equipment for automobile
US3477761A (en) * 1968-03-06 1969-11-11 Coastal Dynamics Corp Dental chair headrest
US3730589A (en) * 1971-12-09 1973-05-01 Avco Corp Head or back support for wheelchair
US4366985A (en) * 1981-02-13 1983-01-04 Pelton & Crane Adjustable headrest for treatment chair
US4733913A (en) * 1984-12-12 1988-03-29 Ikeda Bussan Co., Ltd. Headrest
US4840429A (en) * 1987-08-14 1989-06-20 Siemens Aktiengesellschaft Motor-adjustable head support for a dental treatment chair
US5052754A (en) * 1989-03-31 1991-10-01 Ikeda Bussan Co., Ltd. Headrest arrangement
US5054856A (en) * 1990-06-13 1991-10-08 Wang Chuan M Headrest of a car seat
US5366036A (en) * 1993-01-21 1994-11-22 Perry Dale E Power stand-up and reclining wheelchair
US5711579A (en) * 1995-06-28 1998-01-27 Volkswagen Ag Locking arrangement for a head restraint
US5664841A (en) * 1995-07-19 1997-09-09 Lear Corporation Italia Spa Motor-vehicle seat
US6368261B1 (en) * 1998-03-14 2002-04-09 Steven John Doehler Desk chair for the prevention of repetitive stress injuries
US6213548B1 (en) * 1999-08-12 2001-04-10 Trw Inc. Head restraint apparatus
US6550856B1 (en) * 1999-09-17 2003-04-22 Lear Corporation Vehicle seat
US6688697B2 (en) * 2000-09-26 2004-02-10 Daimlerchrysler Ag Head restraint
US20030160481A1 (en) * 2002-02-27 2003-08-28 Lear Corporation Translatable head restraint for automotive seat backrest
US6767064B2 (en) * 2002-02-27 2004-07-27 Lear Corporation Translatable head restraint for automotive seat backrest
US20040070252A1 (en) * 2002-08-25 2004-04-15 Sedus Stoll Ag Neck support for a chair
US6726280B1 (en) * 2002-12-23 2004-04-27 Jih-Shun Liao Mechanism for adjusting the height of the back support of chair

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090001799A1 (en) * 2007-06-29 2009-01-01 Diller Mark G Procedure chair with interchangeable headrests
US8641147B2 (en) * 2007-06-29 2014-02-04 Midmark Corporation Procedure chair with interchangeable headrests
WO2009126149A1 (fr) * 2008-04-08 2009-10-15 Lear Corporation Système de retenue de tête actif pour siège de véhicule
US20110175422A1 (en) * 2010-01-21 2011-07-21 Bae Industries, Inc. Scissor retractable headrest
US8573686B2 (en) * 2010-01-21 2013-11-05 Bae Industries, Inc. Scissor retractable headrest
US20130093232A1 (en) * 2011-10-18 2013-04-18 Yu-Jen Lin Reclining chair headrest with height adjustment mechanism
US8662591B2 (en) * 2011-10-18 2014-03-04 Yu-Jen Lin Reclining chair headrest with height adjustment mechanism
USD747238S1 (en) * 2012-10-31 2016-01-12 Roger Thomas Mascull And Elizabeth Jocelyn Mascull As Trustees Of The Rt And Ej Mascull Family Trust Headrest
US9333887B2 (en) * 2014-06-26 2016-05-10 Ford Global Technologies, Llc Power articulating headrest assembly
US9527414B2 (en) 2014-06-26 2016-12-27 Ford Global Technologies, Llc Power articulating headrest assembly
US10327554B2 (en) 2016-02-10 2019-06-25 The Comfort Companies, Llc Adjustable head support
US11510494B2 (en) 2016-02-10 2022-11-29 The Comfort Companies, Llc Adjustable head support
US10716721B2 (en) 2017-08-11 2020-07-21 The Comfort Companies, Llc Hinge assembly for a wheelchair component
WO2019032998A1 (fr) * 2017-08-11 2019-02-14 The Comfort Companies, Inc. Ensemble charnière pour élément de fauteuil roulant
US11338714B2 (en) 2017-12-19 2022-05-24 Adient Us Llc Vehicle seat with cantilevered headrest assembly and positioning system
US20190184878A1 (en) * 2017-12-19 2019-06-20 Adient Engineering and IP GmbH Vehicle seat with cantilevered headrest assembly and positioning system
US10676002B2 (en) * 2017-12-19 2020-06-09 Adient Engineering and IP GmbH Vehicle seat with cantilevered headrest assembly and positioning system
WO2019137740A1 (fr) * 2018-01-09 2019-07-18 Kintec-Solution Gmbh Appui-tête actionné par câble pour un siège, et siège
CN110013136A (zh) * 2018-01-09 2019-07-16 金特克-解决方案有限责任公司 用于座椅的缆线操作式头枕和座椅
EP3508094A1 (fr) * 2018-01-09 2019-07-10 Kintec-Solution GmbH Appui-tête actionné par câble pour siège et siège
US10874221B1 (en) * 2019-06-27 2020-12-29 Iou Jia Industrial Co., Ltd. Head and neck adjusting device for chair
US11229293B2 (en) * 2019-07-08 2022-01-25 Ali Budiman Adjustable tool-free ergonomic headrest for a desk chair
USD1032268S1 (en) 2020-04-07 2024-06-25 Ali Budiman Headrest
USD972981S1 (en) * 2020-06-15 2022-12-20 Rolapal Limited Headrest support for a wheelchair
USD961464S1 (en) * 2020-12-29 2022-08-23 Participant Assistive Products Multifunctional mobility system seat
US11291304B1 (en) 2021-04-02 2022-04-05 Ford Global Technologies, Llc Seatback and headrest assembly
US20240074585A1 (en) * 2022-09-02 2024-03-07 Iou Jia Industrial Co., Ltd. Headrest Adjusting Structure for Office Chair

Also Published As

Publication number Publication date
EP1772130B1 (fr) 2010-04-21
DE502006006769D1 (de) 2010-06-02
ATE464871T1 (de) 2010-05-15
EP1772130A1 (fr) 2007-04-11

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Legal Events

Date Code Title Description
AS Assignment

Owner name: DEGONDA REHAB SA, SWITZERLAND

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HUNZIKER, KURT;TAPIS, ALEXANDRE;DEGONDA, ANDRE;REEL/FRAME:018744/0261

Effective date: 20061212

STCB Information on status: application discontinuation

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