[go: up one dir, main page]

US3712666A - Chair - Google Patents

Chair Download PDF

Info

Publication number
US3712666A
US3712666A US00098579A US3712666DA US3712666A US 3712666 A US3712666 A US 3712666A US 00098579 A US00098579 A US 00098579A US 3712666D A US3712666D A US 3712666DA US 3712666 A US3712666 A US 3712666A
Authority
US
United States
Prior art keywords
back support
generally
head support
support portion
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.)
Expired - Lifetime
Application number
US00098579A
Other languages
English (en)
Inventor
M Stoll
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.)
Giroflex Entwicklungs AG
Original Assignee
Giroflex Entwicklungs AG
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 Giroflex Entwicklungs AG filed Critical Giroflex Entwicklungs AG
Application granted granted Critical
Publication of US3712666A publication Critical patent/US3712666A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • A47C1/0244—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 fluid means
    • 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
    • A47C1/03283—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with fluid springs
    • 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
    • A47C1/036—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a head-rest
    • 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

Definitions

  • Chairs having a seat and back support which can be tilted into an inclined or resting position about a horizontal axis disposed generally centrally under the seat as, for example, at the upper end portion of a pedestal comprising, for example, a generally vertically extending floor stand tube and a plurality of feet extending generally radially outwardly of the lower end portion thereof.
  • a horizontal axis disposed generally centrally under the seat as, for example, at the upper end portion of a pedestal comprising, for example, a generally vertically extending floor stand tube and a plurality of feet extending generally radially outwardly of the lower end portion thereof.
  • the user of the chair In such an inclined or resting position the user of the chair can assume a reclined relaxed attitude and, therefore, such chairs may be referred to as lounge, reclining or relaxing chairs.
  • Such chairs offer good seating comforts, they still have certain disadvantages even when the back support is made sufficiently high as to support the head of the user.
  • Tiltable chairs for specialized purposes are also known wherein back and/or leg support portions are tiltable or movable relative theseat portion to enable movement to a reclining position.
  • Such specialized chairs may, for example, be surgical chairs which are used by doctors so that when a patient is sitting therein, actuation of some device such as an actuating lever or foot pedal causes the back support portion to be tilted completely backwards into a horizontal position while at the same time a leg support portion which may have Still another primary object of the present invention, in addition to each of the foregoing objects, is the provision of tiltable chairs having a seat portion and a back portion rigidly interconnected and tiltable on a pedestal or support stand base having a head support portion tiltable relative the back support portion.
  • Yet another primary object of the present invention in addition to each of the foregoing objects, is the provision of such tiltable chairs wherein the head support portion is automatically tilted during tilting of the seat and back portions to maintain the user's head generally erect and upright.
  • Another and further object of the present invention in addition to each of the foregoing objects, is the provision of such chairs wherein such automatic head support tilting means may be manually controlled by the user.
  • Yet still another primary object of the present invention is the provision of tiltable chairs having a front edge portion of the seat member tiltable relative thereto.
  • Another and yet still further primary object of the present invention in addition to each of the foregoing objects, is the provision of such tiltable chairs wherein the front edge portion is automatically pivoted during tilting movement of the seat member.
  • the invention resides in the combination, construction, arrangement and disposition of the various component parts and elements incorporated in improved chairs constructed in accordance with the principles of this invention.
  • the present invention will be better understood and objects and important features other than those specifically enumerated above will become apparent when consideration is given to the following details and description, which when taken in conjunction with the annexed drawing describes, discloses, illustrates'and shows a preferred embodiment or modification of the present invention and what is presently considered and believed to be the best mode of practicing the principles thereof.
  • Another primary object of the present invention in addition to the foregoing object, is the provision of such chairs which require no outside energy sources and which may be controlled by the user.
  • FIG. 1 is a side elevational schematic illustration of an embodiment of a novel chair constructed in accordance with the present invention
  • FIG. 2 is a view similar to FIG. 1 of another chair constructed in accordance with the present invention.
  • FIG. 3 is an enlarged cross-sectional illustration of a control member incorporated in the chair shown and illustrated in FIG. 2 in' a first position of operation;
  • FIG. 4 is a view similar to FIG. 3 showing the member in a second position of operation.
  • the automatic control means for the head support portion comprises an hydraulic system and in the chair shown and illustrated in FIG. 2 the head support control means comprises a mechanical linkage.
  • the chair in accordance with the present invention may comprise a floor stand or pedestal having a generally vertically extending stand tube 1 and a plurality of feet 2 projecting generally radially from the lower end portion thereof and a generally horizontally extending shaft or pin 3 carried by the upper end portion thereof to tiltably support a seat member 4 which may be rigidly attached generally perpendicularly to a back support portion 5. Hence, the seat member 4 and back support 5 may tilt about the shaft 3.
  • a front portion 6 may be pivotally mounted on the seat member 4 to form, in the horizontal or working position of the seat member, an enlargement of the total seating surface.
  • An upper end portion 7 is pivotally mounted on the back support 5 so as to define a head support member which, when the seat member 4 is in the horizontal or working position will be in general alignment with the back portion 5 so that the head support portion 7 and the back support portion 5 extend generally vertically.
  • Horizontal shafts or hinge pins 8 and 9 may be provided to pivotally secure the head sup- .port portion 7 and the front edge portion 6 with the back member 5 and the seat member 4, respectively, while enabling the head support portion 7 to tilt generally forwardly of the back support member 5 and the seat front portion 6 to tilt generally downwardly of the seat member 4.
  • a tie rod 10 may be provided pivotally mounted at each end thereof with the stand tube 1 and front member 6, as by means of pivot pins and lugs 11, as shown, so that upon backward tilting movement of the seat member 4 and back member 5 away from the upright or working position shown in phantom to a reclining position, shown in solid lines, the front portion 6 will be tilted downwardly from the seat member 4 to enable the users legs to remain on the floor.
  • the head support portion 7, as heretofore pointed out, is preferably pivotally attached, as by means of the hinge pin 8, to the back support portion 5 so as to be tiltable forwardly thereof and, preferably, means are provided for automatically tilting the head support portion 7 forwardly of the back support member 5 during rearward tilting movement of the seat'member 4 and back support portion 5 so that the head support portion 7 remains generally vertical, regardless of the position of the back member 5 so that the users head remains erect and his eyes level.
  • the seat member 4 and the back support 5 can be moved from the position illustrated by the phantom lines, which may be referred to as a working position and in which the seat member 4 together with the front member 6, as previously mentioned, may form an approximately horizontal seating surface, into an inclined position illustrated in full lines when a person sitting in the chair leans back.
  • the spacing between the pin 9 of the front member 6 and the pin 11 joining the tie rod 10 with the stand tube 1 will be increased.
  • the spacing of the front member or portion 6 and the pin 11 connecting the tie rod 10 to the stand tube 1 is also increased.
  • the spacing of the front member 6 from this point is kept constant due to the tie rod 10 and therefore, it follows that the front member 6 must tilt forwardly relative to the seat member 4, as shown, and thereby assumes a forwardly inclined position.
  • the users legs are not lifted but remain approximately in their usual position to provide a considerable improvement in comfort.
  • first control device which may comprise a cylinder 12 and a piston 13 rotatably attached to a bearing 14 mounted with the stand tube 1.
  • the first control device may be pivotally mounted in an eye 15 carried or rigidly connected with the seat member 4 and which is preferably located at or adjacent the transmission or intersection between the seat member 4 and the back support 5 or, in other words, as remotely as possible from the axis of rotation defined by the pin 3.
  • the control cylinder 12 may be connected through piping or tubing 16 to a cylinder 17 of a second control device which may be located uppermost in the back support 5 and which controls the head support member 7.
  • a branch tubing or conduit 18 may be connected between the piping or tubing 16 and a cylinder 19 of a third control device.
  • the piston 20 of the third control device may be provided with a piston rod 21 projecting generally forwardly from one end portion of the cylinder 19 and extending into a smooth threaded spindle 22 axially displaceable in a fixed mount 23 upon rotation, for example, by means of a hand wheel 24 so that upon rotation of. the hand wheel, the piston will be axially moved within the cylinder 19.
  • the first control cylinder 12 and the first control cylinder 14 move relative each other in such a manner that a volume (V12) of hydraulic fluid contained within the cylinder is reduced or forced outwardly through the pipe or tubing 16.
  • This fluid being essentially incompressable, is conducted, through the piping or tubing 16 to the cylinder 17 of the second control device positioned, for example, adjacent the upper end portion of the back support -5.
  • the piston of the second control device may be connected with the head support member 7 at a point which is as far remote as possible from the pivot axis defined by the horizontal pin 8 so as to turn the head support member relative the back support member in a rotary direction which is opposite the tilting movement of the back support or, in other words, generally forwardly thereof.
  • the piston of the third control cylinder 19 should preferably be located in anend position in which the volume (V19) of the fluid contained in the cylinder is a minimum.
  • the piston 20 of the third control cylinder may be moved towards the other end of the cylinder. Owing to the resultant increase of the volume forwardly of the piston 20 within the cylinder 19, fluid is withdrawn from the piping system 16 and 18. If the back support member 5 is already located in the tilted position, the required quantity of fluid can only be derived from the cylinder 17.
  • This third position of the head support is shown by phantom lines and enables the chair to be used for complete relaxation or reclining and may, therefore, be referred to as a resting position.
  • thehand wheel 24 need not necessarily be adjusted after the chair has been tilted back but, in fact, it can be adjusted even while the chair is in a working position. During tilting, the fluid from the cylinder 12 would not then flow into the cylinder 17, but would flow directly through the branch pipe 18 into the cylinder 19.
  • Means may also be provided for preventing the creation of a vacuum within the hydraulic system as, for example, by the third control device beingv constructed and arranged that the screw threaded spindle 22 acts as an adjustable stop for the piston 20, rather than being rigidly connected thereto sothat, upon withdrawalof the spindle 22 or movement thereof forwardly of the cylinder 19, the piston 20 will only move forwardly if pressure is applied to the hydraulic fluid from elsewhere in the system, as by the head support member 7 beingtilted forwardly, against gravity or other biasing, whereupon the piston 20 will move forwardly until stopped by the spindle" 22.
  • the head support member 7 therefore may remain unchanged in its position relative the back support 5 and tilt back together with the latter.
  • the user is, therefore, at liberty to connect or disconnect, as desired, the automatic control of the head support member 7. If, on the other hand, a change is to be made from the resting position to the discussion position it is sufficient to screw the hand wheel 24 in again. Thereby, fluid will be displaced from the cylinder 19 and flow into the cylinder 17 to cause the piston thereof to be displaced upwardly and the head support to any desired location to enable the hand wheel 24 to be disposed at a location which is as convenient as possible to the sitting person, for example, in or on the arm rest (not illustrated).
  • a bell crank lever system may be provided which is generally referred to by the reference character 30 and which may comprise a push rod 31 which may be pivotally attached to the stand tube 1, a slider casing 32, the purpose of which will be explained below, and a linkage 33 which may comprise, in turn, a plurality of rods, levers and bearings, and which may be pivotally connected to the seat member 4 at a point 34 and which extends to the head support member 7.
  • the push rod 31 may be secured in the casing 32 by means of an adjusting screw 35 for enabling, for example, compensation of manufacturing tolerances, and a rod 36 of the linkage 33 may be slidably mounted in the slider casing generally perpendicular to the longitudinal axis of the rod 36 and be slidably mounted in the slider casing 32 to engage the recess 37, as shown in FIG. 3, and thereby prevent movement of the linkage 33 relative the slider casing 32 and thus, relative the push rod 31.
  • the linkage 33 is shifted to displace the head support member 7 relative the back support 5, as indicated in FIG.
  • the transverse rod 38 may also be provided with a recess 39 which may be so dimensioned that the transverse rod 38 remains outside the profile of the rod 36, as shown in FIG. 4 so that the latter is no longer impeded and can be displaced freely relative the casing 32.
  • the linkage 33 In a tilting movement the linkage 33 is, therefore, no longer driven by the slider casing 32 and remains unchanged relative the seat member 4and the back support 5.
  • the transverse rod 38' may be displaceably or slidably mounted below the seat member 4 in any suitable manner and may project laterally thereof to such an extent that it can be reached easily by the user of the chair. Suitable stops (not shown) maybe provided in order to move the recess 39 into the correct position relative the rod 36.
  • Tilting chair comprising, in combination, a seat member, a back support structure associated therewith so as to extend generally vertically when said seat member is disposed in a generally horizontal position, means for supporting said seat member, means for enabling said back support to be tilted generally backwardly from a generally vertical working position to a generally rearwardly inclined position when a person seated therein leans backwardly, a head support member disposed generally adjacent the upper end portion of said back support and mounted for tilting movement relative thereto about a generally horizontally extending axis between a first position in general alignment therewith and a second position tilted generally forwardly relative thereto, means for automatically moving said head support away from said first position and towards said second position during rearward tilting movement of said back support so that said head support remains substantially vertical at all times comprising, in turn, first hydraulic control means structurally and operatively connected between said back support and said support means for containing a volume of hydraulic fluid therein which decreases upon a rearward tilting movement of said back support relative said support means
  • said diverting means comprises manually operable hydraulic control means having a manually selectable volume operatively connected with said conduit means for selectively diverting hydraulic fluid therefrom so that the automatic tilting action of the head support is disabled toenable manual positioning thereof.
  • each of said hydraulic control means comprises a piston-cylinder arrangement.
  • Tilting chair comprising, in combination, a seat member, a back support structurally associated therewith so as to extend generally vertically when said seat member is disposed in a generally horizontal position, means for supporting said seat member, means for enabling said back support to be tilted generally backwardly from a generally vertical working position to a generally rearwardly inclined position when a person seated therein leans backwardly, a head support member disposed generally adjacent the upper end portion of said back support and mounted for tilting movement relative thereto about a generally horizontally extending axis between a first position in general alignment therewith and a second position tilted generally forwardly relative thereto, a bell crank pivotally mounted with said back support and having two arms extending generally outwardly perpendicular the pivotal axis in angularly spaced apart relationship, first linkage means extending between one arm of said bell crank and said support means for rotating said bell crank during rearward tilting movement of said back support, second level means extending between the other arm of said bell crank and said head support for tilting
  • control means positioned for operation by an occupant of said chair for selectively controlling the angular relationship of said head support portion relative said back support portion enabling such occupant to select between an upright position of said headrest portion angularly disposed relative said back support portion and an aligned position of said head support portion relative said back support portion'when the back support portion is in the reclining position thereof, for automatically moving said head support portion away from said aligned position and towards said upright position during rearward tilting movement of said back support portion so that said head support portion remains substantially vertical at all times and for selectively precluding such automatic movement and comprising, in turn,'first hydraulic control means structurally and operatively connected between said back support
  • each of said hydraulic control means comprises a piston-cylinder arrangement.
  • a chair having a seat support carried by a support stand, a back support portion movable between generally upright and reclining positions, a head support portion tiltably carried by said back support portion adjacent an upper end portion of said back support portion for movement therewith and means for tilting said head support portion relative said back support portion when said back support portion is in a reclining position between .a generally upright position and a position in general alignment with said back support portion; control means positioned for operation by occupant of said chair for selectively controlling the angular relationship of said head support portion relative said back support portion enabling such occupant to select between an upright position of said headrest portion angularly disposed relative said back support portion in an aligned position of said head support portion relative said back support portion when the back support portion is in the reclining position thereof and automatically moving said head support portion away from said aligned position and towards said upright position during rearward tilting movement of said back support portion so that said head support portion remains substantially vertical at all times and for disabling such automatic movement
  • a bell crank and link system comprising, in

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Seats For Vehicles (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Special Chairs (AREA)
  • Chairs Characterized By Structure (AREA)
US00098579A 1969-12-17 1970-12-16 Chair Expired - Lifetime US3712666A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1873669A CH500688A (de) 1969-12-17 1969-12-17 Kippsessel

Publications (1)

Publication Number Publication Date
US3712666A true US3712666A (en) 1973-01-23

Family

ID=4434966

Family Applications (1)

Application Number Title Priority Date Filing Date
US00098579A Expired - Lifetime US3712666A (en) 1969-12-17 1970-12-16 Chair

Country Status (8)

Country Link
US (1) US3712666A (nl)
AT (1) AT301789B (nl)
BE (1) BE760088A (nl)
CH (1) CH500688A (nl)
DE (1) DE2057980C3 (nl)
FR (1) FR2072977A5 (nl)
GB (1) GB1318950A (nl)
NL (1) NL143803B (nl)

Cited By (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902754A (en) * 1973-08-20 1975-09-02 Miller Herman Inc Upholstered chair with adjustable seat and back supports
US4076308A (en) * 1976-05-22 1978-02-28 Wilkhahn, Wilkening & Hahne Chair
US4285545A (en) * 1978-03-11 1981-08-25 Volkswagenwerk Aktiengesellschaft Automobile passenger seat with an automatically positioned headrest
DE3016839A1 (de) * 1980-05-02 1981-11-05 Kurt 5093 Burscheid Seydel Pneumatischer bewegter gliedersessel
US4353595A (en) * 1979-12-27 1982-10-12 Kabushiki Kaisha Morita Seisakusho Headrest control device for a treatment chair
US4521053A (en) * 1981-06-23 1985-06-04 Gispen+Staalmeubel B.V. Chair
US4627662A (en) * 1983-08-09 1986-12-09 Pledge Office Chairs Limited Tilting mechanism for a chair
US4662680A (en) * 1984-10-24 1987-05-05 Buerositzmobelfabrik Friedrich-W. Dauphin GmbH & Company Activating device for the release tappet of a longitudinally adjustable gas spring
US4685730A (en) * 1984-12-21 1987-08-11 Etablissements Linguanotto Seat, especially work seat, with several positions
US4736982A (en) * 1985-11-07 1988-04-12 Hwang Sunny S Convertible chair
WO1989010080A1 (en) * 1988-04-25 1989-11-02 Perry Charles O Reclining chair
US5338094A (en) * 1988-04-25 1994-08-16 Perry Charles O Flexible reclining chair
US5716099A (en) * 1996-08-14 1998-02-10 Novimex Fashion Ltd. Chair with split reclining seat
US5772280A (en) * 1997-05-08 1998-06-30 Lear Corporation Dynamic actuation system for an articulated headrest portion of an automotive seat
US5904397A (en) * 1995-05-02 1999-05-18 Hag A/S Seating unit comprising two adjacent, pivotal support elements
USRE36335E (en) * 1988-04-25 1999-10-12 Perry; Charles O. Flexible chair
WO2000021786A1 (de) * 1998-10-14 2000-04-20 Wilke Hans Joachim Sitzvorrichtung
US6224159B1 (en) 1999-05-12 2001-05-01 Charles Owen Perry Flexible chair which can be disassembled to a flat configuration
USD445580S1 (en) 2000-09-28 2001-07-31 Formway Furniture Limited Chair
US6368261B1 (en) * 1998-03-14 2002-04-09 Steven John Doehler Desk chair for the prevention of repetitive stress injuries
USD463144S1 (en) 2000-09-28 2002-09-24 Formway Furniture Limited Chair
US6485096B1 (en) * 1999-06-10 2002-11-26 Intier Automotive Inc. Continuous self-adjusting head restraint system
US6637072B2 (en) 2000-09-29 2003-10-28 Formway Furniture Limited Castored base for an office chair
US20030214171A1 (en) * 2002-05-14 2003-11-20 Formway Furniture Limited Height adjustable arm assembly
US20040017099A1 (en) * 2002-07-24 2004-01-29 O'connor Richard W. Articulated headrest
US6779846B2 (en) 2002-08-06 2004-08-24 Mity-Lite, Inc. Chair with flexible, resilient back support
US20040195881A1 (en) * 2003-04-02 2004-10-07 Wells Harold G. Articulated seating mechanism
US6802566B2 (en) 2000-09-28 2004-10-12 Formway Furniture Limited Arm assembly for a chair
US20040239154A1 (en) * 2001-07-05 2004-12-02 Arve Ekornes Two-step connecting element
US20050029849A1 (en) * 2003-06-23 2005-02-10 Goetz Mark W. Tilt chair
US20050225132A1 (en) * 2004-03-29 2005-10-13 Tisue Kevin C Lightweight three-link cycle seat clamp
WO2008094865A1 (en) * 2007-01-29 2008-08-07 Herman Miller, Inc. Seating structure and methods for the use thereof
US20090044820A1 (en) * 2007-08-19 2009-02-19 Anastasia Soare Stencils and gauging device for aesthetically pleasing eyebrow shaping
US20090302651A1 (en) * 2008-06-06 2009-12-10 Farnsworth Orrin C Flexible chair seat
US20100156150A1 (en) * 2008-12-24 2010-06-24 Smith Richard D Folding and stacking mesh chair system
US20100156156A1 (en) * 2008-12-24 2010-06-24 Smith Richard D Clamping joint for a chair
US20100156155A1 (en) * 2008-12-24 2010-06-24 Smith Richard D Mesh stacking chair
US20100181807A1 (en) * 2008-12-24 2010-07-22 Smith Richard D Mesh chair with open-end hoop
US20100201167A1 (en) * 2009-02-12 2010-08-12 Lear Corporation Vehicle seat assembly having a comfortable seat back portion
US20100231013A1 (en) * 2006-09-07 2010-09-16 Ulf Schlenker Vehicle seat, in particular motor vehicle seat
USD648554S1 (en) 2009-11-04 2011-11-15 Mity-Lite, Inc. Mesh stacking chair
USD660612S1 (en) 2010-11-16 2012-05-29 Mity-Lite, Inc. Mesh banquet chair
US20120161479A1 (en) * 2009-09-09 2012-06-28 Magna Seating Inc. Auto-Resetting Head Restraint Cable Release With Lockout
US20120217777A1 (en) * 2009-10-19 2012-08-30 Albert Solheim Sitting Arrangement
US8876138B2 (en) * 2012-12-13 2014-11-04 Francis Wilde Height adjustable wheelchair seat
US20160229316A1 (en) * 2013-10-04 2016-08-11 Toyota Jidosha Kabushiki Kaisha Shoulder support adjuster and vehicle seat
US20160235203A1 (en) * 2015-02-12 2016-08-18 Wilkhahn Wilkening + Hahne Gmbh + Co. Seating furniture product
US9504326B1 (en) * 2012-04-10 2016-11-29 Humanscale Corporation Reclining chair
US20170341752A1 (en) * 2014-11-19 2017-11-30 Zodiac Seats France Comfort pilot seat kinematics
US10021984B2 (en) 2015-04-13 2018-07-17 Steelcase Inc. Seating arrangement
US10194750B2 (en) 2015-04-13 2019-02-05 Steelcase Inc. Seating arrangement
US10966527B2 (en) 2017-06-09 2021-04-06 Steelcase Inc. Seating arrangement and method of construction
US11109683B2 (en) 2019-02-21 2021-09-07 Steelcase Inc. Body support assembly and method for the use and assembly thereof
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US20230210264A1 (en) * 2020-02-21 2023-07-06 Aeteron Gmbh Chair
US12226025B2 (en) 2024-01-16 2025-02-18 Steelcase Inc. Body support assembly and methods for the use and assembly thereof

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2332596C3 (de) * 1973-06-27 1985-10-03 Christof Stoll Gmbh & Co Kg, 7890 Waldshut Sitzmöbel
DE7815561U1 (nl) * 1978-05-24 1978-09-14 Martin Stoll Giroflex Gmbh, 7897 Tiengen
DE3103752A1 (de) * 1981-02-04 1982-09-02 Kurt J. 6680 Neunkirchen Kuhn "neigungsverstellbarer buerosessel"
US4560199A (en) * 1983-07-22 1985-12-24 Pamont Ag Recliner chair
AU571974B2 (en) * 1984-06-08 1988-04-28 Hauserman Inc. Recline chair with headrest mounted on back for arcuate extension and retraction
FR2565802B1 (fr) * 1984-06-19 1987-07-10 Orthopedique Realisa Assi Cent Siege dont la partie d'assise presente une premiere partie, sensiblement horizontale, et une seconde partie, inclinee vers le bas, qui est raccordee au dossier
NO178482C (no) * 1993-03-23 1996-04-10 Eknes Ind As Georg Anordning ved stol, benk eller liknende med omsvingbart rygglene og tilhörende nakkestötte
US5624159A (en) * 1993-05-11 1997-04-29 Vess Chairs, Inc. Adaptive seating device for diagnostic testing
FR2721488B1 (fr) 1994-06-22 1996-09-06 Albert Palanque Dispositif destiné à s'asseoir comportant de nombreuses possibilités de réglage.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US242733A (en) * 1881-06-07 Reclining-chair
US804784A (en) * 1904-11-17 1905-11-14 Edward L Von Eschen Surgical table.
US2947352A (en) * 1956-06-08 1960-08-02 Anton Lorenz Adjustable head rests for seating units
US3446532A (en) * 1967-03-13 1969-05-27 Harold W Cramer Chair
US3533658A (en) * 1967-04-04 1970-10-13 Otto Gropp Vehicle seat

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US242733A (en) * 1881-06-07 Reclining-chair
US804784A (en) * 1904-11-17 1905-11-14 Edward L Von Eschen Surgical table.
US2947352A (en) * 1956-06-08 1960-08-02 Anton Lorenz Adjustable head rests for seating units
US3446532A (en) * 1967-03-13 1969-05-27 Harold W Cramer Chair
US3533658A (en) * 1967-04-04 1970-10-13 Otto Gropp Vehicle seat

Cited By (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902754A (en) * 1973-08-20 1975-09-02 Miller Herman Inc Upholstered chair with adjustable seat and back supports
US4076308A (en) * 1976-05-22 1978-02-28 Wilkhahn, Wilkening & Hahne Chair
US4285545A (en) * 1978-03-11 1981-08-25 Volkswagenwerk Aktiengesellschaft Automobile passenger seat with an automatically positioned headrest
US4353595A (en) * 1979-12-27 1982-10-12 Kabushiki Kaisha Morita Seisakusho Headrest control device for a treatment chair
DE3016839A1 (de) * 1980-05-02 1981-11-05 Kurt 5093 Burscheid Seydel Pneumatischer bewegter gliedersessel
US4521053A (en) * 1981-06-23 1985-06-04 Gispen+Staalmeubel B.V. Chair
US4627662A (en) * 1983-08-09 1986-12-09 Pledge Office Chairs Limited Tilting mechanism for a chair
US4662680A (en) * 1984-10-24 1987-05-05 Buerositzmobelfabrik Friedrich-W. Dauphin GmbH & Company Activating device for the release tappet of a longitudinally adjustable gas spring
US4685730A (en) * 1984-12-21 1987-08-11 Etablissements Linguanotto Seat, especially work seat, with several positions
US4736982A (en) * 1985-11-07 1988-04-12 Hwang Sunny S Convertible chair
WO1989010080A1 (en) * 1988-04-25 1989-11-02 Perry Charles O Reclining chair
US5009466A (en) * 1988-04-25 1991-04-23 Perry Charles O Reclining chair
US5338094A (en) * 1988-04-25 1994-08-16 Perry Charles O Flexible reclining chair
USRE36335E (en) * 1988-04-25 1999-10-12 Perry; Charles O. Flexible chair
US5904397A (en) * 1995-05-02 1999-05-18 Hag A/S Seating unit comprising two adjacent, pivotal support elements
US5716099A (en) * 1996-08-14 1998-02-10 Novimex Fashion Ltd. Chair with split reclining seat
US5772280A (en) * 1997-05-08 1998-06-30 Lear Corporation Dynamic actuation system for an articulated headrest portion of an automotive seat
US6368261B1 (en) * 1998-03-14 2002-04-09 Steven John Doehler Desk chair for the prevention of repetitive stress injuries
US6554360B1 (en) 1998-10-14 2003-04-29 Grammer Ag Seat
WO2000021786A1 (de) * 1998-10-14 2000-04-20 Wilke Hans Joachim Sitzvorrichtung
WO2000021787A1 (de) * 1998-10-14 2000-04-20 Grammer Ag Sitz
US6224159B1 (en) 1999-05-12 2001-05-01 Charles Owen Perry Flexible chair which can be disassembled to a flat configuration
US6485096B1 (en) * 1999-06-10 2002-11-26 Intier Automotive Inc. Continuous self-adjusting head restraint system
US20060181127A1 (en) * 2000-09-28 2006-08-17 Formway Furniture Limited Reclinable chair
USD463144S1 (en) 2000-09-28 2002-09-24 Formway Furniture Limited Chair
US7798573B2 (en) 2000-09-28 2010-09-21 Formway Furniture Limited Reclinable chair
US20050035638A1 (en) * 2000-09-28 2005-02-17 Formway Furniture Limited Reclinable chair
US7441839B2 (en) 2000-09-28 2008-10-28 Formway Furniture Limited Reclinable chair
USD445580S1 (en) 2000-09-28 2001-07-31 Formway Furniture Limited Chair
US6802566B2 (en) 2000-09-28 2004-10-12 Formway Furniture Limited Arm assembly for a chair
US6817667B2 (en) 2000-09-28 2004-11-16 Formway Furniture Limited Reclinable chair
US6910741B2 (en) 2000-09-28 2005-06-28 Formway Furniture Limited Lumbar support
US6908159B2 (en) 2000-09-28 2005-06-21 Formway Furniture Limited Seat for a reclining office chair
US6874852B2 (en) 2000-09-28 2005-04-05 Formway Furniture Limited Lumbar support
US6637072B2 (en) 2000-09-29 2003-10-28 Formway Furniture Limited Castored base for an office chair
US20040239154A1 (en) * 2001-07-05 2004-12-02 Arve Ekornes Two-step connecting element
US7594693B2 (en) 2001-07-05 2009-09-29 Ekrones Asa Two-step connecting element
US20070290529A1 (en) * 2001-07-05 2007-12-20 Ekornes Asa Two-step connecting element
US7322641B2 (en) * 2001-07-05 2008-01-29 Ekornes Asa Two-step connecting element
US20030214171A1 (en) * 2002-05-14 2003-11-20 Formway Furniture Limited Height adjustable arm assembly
US6840582B2 (en) 2002-05-14 2005-01-11 Formway Furniture Limited Height adjustable arm assembly
US6962392B2 (en) * 2002-07-24 2005-11-08 O'connor Richard W Articulated headrest
US20040017099A1 (en) * 2002-07-24 2004-01-29 O'connor Richard W. Articulated headrest
US20050001462A1 (en) * 2002-08-06 2005-01-06 Mity-Lite, Inc. Chair with flexible, resilient back support
US6779846B2 (en) 2002-08-06 2004-08-24 Mity-Lite, Inc. Chair with flexible, resilient back support
US7021712B2 (en) 2002-08-06 2006-04-04 Mity-Lite, Inc. Chair with flexible, resilient back support
US20040195881A1 (en) * 2003-04-02 2004-10-07 Wells Harold G. Articulated seating mechanism
US7234772B2 (en) 2003-04-02 2007-06-26 Wells Harold G Articulated seating mechanism
US7207629B2 (en) 2003-06-23 2007-04-24 Herman Miller, Inc. Tilt chair
US20050029849A1 (en) * 2003-06-23 2005-02-10 Goetz Mark W. Tilt chair
US20050225132A1 (en) * 2004-03-29 2005-10-13 Tisue Kevin C Lightweight three-link cycle seat clamp
US8007041B2 (en) * 2004-03-29 2011-08-30 Kevin Tisue Lightweight three-link cycle seat clamp
US20100007182A1 (en) * 2004-03-29 2010-01-14 Tisue Kevin Christipher lightweight Three-Link Cycle Seat Clamp
US20100231013A1 (en) * 2006-09-07 2010-09-16 Ulf Schlenker Vehicle seat, in particular motor vehicle seat
CN104305754A (zh) * 2007-01-29 2015-01-28 赫尔曼米勒有限公司 座位结构及其使用方法
JP2010516433A (ja) * 2007-01-29 2010-05-20 ハーマン、ミラー、インコーポレイテッド 着座構造体およびその使用方法
AU2008210726B2 (en) * 2007-01-29 2014-07-24 MillerKnoll, Inc Seating structure and methods for the use thereof
US8419133B2 (en) 2007-01-29 2013-04-16 Herman Miller, Inc. Seating structure with independently adjustable back
CN101641035B (zh) * 2007-01-29 2012-08-15 赫尔曼米勒有限公司 座位结构及其使用方法
WO2008094865A1 (en) * 2007-01-29 2008-08-07 Herman Miller, Inc. Seating structure and methods for the use thereof
US7922248B2 (en) 2007-01-29 2011-04-12 Herman Miller, Inc. Seating structure and methods for the use thereof
US8210611B2 (en) 2007-01-29 2012-07-03 Herman Miller, Inc. Seating structure and methods for the use thereof
US20090044820A1 (en) * 2007-08-19 2009-02-19 Anastasia Soare Stencils and gauging device for aesthetically pleasing eyebrow shaping
US7654617B2 (en) 2008-06-06 2010-02-02 Mity-Lite, Inc. Flexible chair seat
US20090302651A1 (en) * 2008-06-06 2009-12-10 Farnsworth Orrin C Flexible chair seat
US20100156150A1 (en) * 2008-12-24 2010-06-24 Smith Richard D Folding and stacking mesh chair system
US8454093B2 (en) 2008-12-24 2013-06-04 Mity-Lite, Inc. Mesh chair with open-end hoop
US8033598B2 (en) 2008-12-24 2011-10-11 Mity-Lite, Inc. Mesh folding chair
US8038221B2 (en) 2008-12-24 2011-10-18 Mity-Lite, Inc. Folding mesh chair with nesting hoops
US8033612B2 (en) 2008-12-24 2011-10-11 Mity-Lite, Inc. Comfortable mesh folding chair
US9492014B1 (en) 2008-12-24 2016-11-15 Mity-Lite, Inc. Mesh folding chair
US20100156156A1 (en) * 2008-12-24 2010-06-24 Smith Richard D Clamping joint for a chair
US8029059B2 (en) 2008-12-24 2011-10-04 Mity-Lite, Inc. Folding and stacking mesh chair system
US20100156155A1 (en) * 2008-12-24 2010-06-24 Smith Richard D Mesh stacking chair
US20100181807A1 (en) * 2008-12-24 2010-07-22 Smith Richard D Mesh chair with open-end hoop
US8317269B2 (en) 2008-12-24 2012-11-27 Mity-Lite, Inc. Mesh stacking chair
US8322787B2 (en) 2008-12-24 2012-12-04 Mity-Lite, Inc. Clamping joint for a chair
US20100201167A1 (en) * 2009-02-12 2010-08-12 Lear Corporation Vehicle seat assembly having a comfortable seat back portion
US20120161479A1 (en) * 2009-09-09 2012-06-28 Magna Seating Inc. Auto-Resetting Head Restraint Cable Release With Lockout
US8662578B2 (en) * 2009-09-09 2014-03-04 Magna Seating Inc. Auto-resetting head restraint cable release with lockout
US9072386B2 (en) * 2009-10-19 2015-07-07 Ekornes Asa Sitting arrangement
US20120217777A1 (en) * 2009-10-19 2012-08-30 Albert Solheim Sitting Arrangement
USD648554S1 (en) 2009-11-04 2011-11-15 Mity-Lite, Inc. Mesh stacking chair
USD660612S1 (en) 2010-11-16 2012-05-29 Mity-Lite, Inc. Mesh banquet chair
US9504326B1 (en) * 2012-04-10 2016-11-29 Humanscale Corporation Reclining chair
US8876138B2 (en) * 2012-12-13 2014-11-04 Francis Wilde Height adjustable wheelchair seat
US9896003B2 (en) * 2013-10-04 2018-02-20 Toyota Jidosha Kabushiki Kaisha Shoulder support adjuster and vehicle seat
US20160229316A1 (en) * 2013-10-04 2016-08-11 Toyota Jidosha Kabushiki Kaisha Shoulder support adjuster and vehicle seat
US10669029B2 (en) * 2014-11-19 2020-06-02 Safran Seats Comfort pilot seat kinematics
US20170341752A1 (en) * 2014-11-19 2017-11-30 Zodiac Seats France Comfort pilot seat kinematics
US9700138B2 (en) * 2015-02-12 2017-07-11 Wilkhahn Wilkening + Hahne Gmbh + Co. Seating furniture product
US20160235203A1 (en) * 2015-02-12 2016-08-18 Wilkhahn Wilkening + Hahne Gmbh + Co. Seating furniture product
US11553797B2 (en) 2015-04-13 2023-01-17 Steelcase Inc. Seating arrangement
US10194750B2 (en) 2015-04-13 2019-02-05 Steelcase Inc. Seating arrangement
US11096497B2 (en) 2015-04-13 2021-08-24 Steelcase Inc. Seating arrangement
US11963621B2 (en) 2015-04-13 2024-04-23 Steelcase Inc. Seating arrangement
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
US11324325B2 (en) 2015-04-13 2022-05-10 Steelcase Inc. Seating arrangement
US10021984B2 (en) 2015-04-13 2018-07-17 Steelcase Inc. Seating arrangement
US10575648B2 (en) 2015-04-13 2020-03-03 Steelcase Inc. Seating arrangement
US11825955B2 (en) 2017-06-09 2023-11-28 Steelcase Inc. Seating arrangement and method of construction
US10966527B2 (en) 2017-06-09 2021-04-06 Steelcase Inc. Seating arrangement and method of construction
US11109683B2 (en) 2019-02-21 2021-09-07 Steelcase Inc. Body support assembly and method for the use and assembly thereof
US11602223B2 (en) 2019-02-21 2023-03-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11910934B2 (en) 2019-02-21 2024-02-27 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11805913B2 (en) 2019-12-13 2023-11-07 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11786039B2 (en) 2019-12-13 2023-10-17 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US12161232B2 (en) 2019-12-13 2024-12-10 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US20230210264A1 (en) * 2020-02-21 2023-07-06 Aeteron Gmbh Chair
US11844440B2 (en) * 2020-02-21 2023-12-19 Aeteron Gmbh Chair
US12226025B2 (en) 2024-01-16 2025-02-18 Steelcase Inc. Body support assembly and methods for the use and assembly thereof

Also Published As

Publication number Publication date
FR2072977A5 (nl) 1971-09-24
NL7018265A (nl) 1971-06-21
DE2057980C3 (de) 1974-08-15
BE760088A (fr) 1971-05-17
NL143803B (nl) 1974-11-15
AT301789B (de) 1972-09-25
DE2057980A1 (de) 1971-06-24
CH500688A (de) 1970-12-31
GB1318950A (en) 1973-05-31
DE2057980B2 (de) 1973-12-20

Similar Documents

Publication Publication Date Title
US3712666A (en) Chair
US4386803A (en) Motorized reclining chair
RU2437605C2 (ru) Кресло с качающейся спинкой
JP3150148B2 (ja) 人間工学的に改良がなされた椅子または肘掛け椅子
CA1287291C (en) Multi-position convertible therapeutic chair
US3596982A (en) Patient{3 s chair
US2672917A (en) Adjustable chair
US3815954A (en) Rocker recliner chair
US3338632A (en) Reclining chair
US4492407A (en) Patient support and transverse motion linkage therefor
US3179466A (en) Reclining chair
US20200113333A1 (en) Pivot-over-arm reclining mechanism for a seating unit and modular seating unit connection system
US3622198A (en) Rocker/recliner chair
JPS5841511A (ja) いす
CA2399884A1 (en) Adjustable chair
US3493264A (en) T-cushion rocker/reclining chair
US4504090A (en) Swivel, tilt and recline arm chair
US11766124B2 (en) Slim-profile, all-linkage, wall-proximity reclining mechanism allowing a wood-to-floor recliner seating unit
US6030033A (en) Chair structure
CA1242965A (en) Recline chair
JP2866194B2 (ja) 調整自在椅子
US3102753A (en) Multiple position reclining chair with extendible head-rest
JPS63192440A (ja) 椅子
US3142509A (en) Adjustable chair
US3302971A (en) Dental chairs