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7568763 |
Control for seating unit with back stop
A seating unit includes a base with a control housing, a back supported on the base for reclining movement, and a seat supported at least partially by a pivoting link on the base for synchronous...
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7422287 |
Seating with shape-changing back support frame
A back includes an integrated articulating back frame and a back support. The back frame has a lower segment pivoted to a chair control, an upper segment for thoracic support, and links forming a...
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7416251 |
Chair
An improved chair is disclosed. The chair includes: (i) a seat; (ii) a base portion connected to the bottom of the seat; (iv) an upwardly extending support frame connected to either the seat or the...
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7416252 |
Backpost unit of wooden dining chair with reclining mechanism
A backpost for use in wooden dining chair. The backpost unit provides reclining movements for a wooden chair of the type having a stationary frame section within which the backpost unit is secured....
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7396078 |
Music posture chair
A musician's chair that enhances the musician's posture when performing vocal or wind instruments. The music posture chair includes a seat and back that are mounted on a frame with respect to a...
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7384100 |
Flexible reclining chair
A flexible chair that includes a seat member with seat bottom and back rest portions, first and second pairs of legs, and a plurality of cross members. The pair of first legs are pivotly connected...
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7320503 |
Backrest for seats and chairs having pressure and tensile elements
The invention relates to a backrest with a support area ( 71 ), at least one structure connected to the support area ( 71 ) or forming the support area ( 71 ), which structure ( 10 ) extends...
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7278688 |
Elastic support structure for a human body to lean against
The elastic support structure for human body to lean against includes a connecting frame, a swing rack, and an elastic rod. The connecting frame includes a connecting surface and a positioning part...
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7226127 |
Ergonomic chair backrest
A “task” chair intended primarily for a person working at a computer terminal has a back provided with a pair of upright struts that incorporate respective parallelogram linkages operative to...
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7118177 |
Chair with tiltable backrest
A chair comprising a support structure bearing a seat and a backrest, in which the backrest comprises a bearing portion and a connecting portion for connection to the support structure, in which...
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7104607 |
Seat
This present invention discloses a seat, comprising: a seat cushion; and a seat back frame connected to the seat cushion, the seat back frames being bent in a range of specified bending angle in a...
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7063384 |
Flexible chair back
A flexible chair back provides a preferred elastic effect than conventional plastic chair backs, which comprises a back supporting board having a flexible member integrally extended from the back...
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7021706 |
Vehicle seat with protection from shock loads
A vehicle seat comprising a rigid support structure provided with a rear central beam, which structure carries a headrest, a seat proper, and a seat back carried by the central beam. The seat back...
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7021712 |
Chair with flexible, resilient back support
A chair with a flexible resilient back support structure includes a hollow tubular seat frame, a hollow tubular backrest frame pivotally connected to the seat frame, and a limit stop affixed to the...
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6981742 |
Cushion for backrest of chair
A cushion includes a flexible curved main body having a first end formed with a fixed portion and a second end formed with a movable portion, and an elastic mechanism mounted on the main body and...
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6974188 |
Chair with pivotable chair back
A chair comprises a frame, a chair back, and a chair back return device. The chair back is mounted to the frame for pivotable movement away from a home position. The chair back return device is...
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6932430 |
Combined tension and back stop function for seating unit
A seating unit includes a base, a seat, a back, and a control operably supporting the seat and the back on the base for movement between upright and recline positions. The control includes a spring...
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6896327 |
Flexible back mechanism for stackable chairs
A stackable chair includes a seat assembly and flexible back support having a seat spring system attached therebetween. The seat assembly includes seat sides having spaced apart rear portions. The...
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6880886 |
Combined tension and back stop function for seating unit
A seating unit includes a base, a seat, a back, and a control operably supporting the seat and the back on the base for movement between upright and recline positions. The control includes a spring...
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6820934 |
Chair having flexible back support
A chair comprises a seat support assembly including a seat support, the seat support assembly being adapted to stand on a surface so as to provide the seat support at a suitable height for a person...
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6820936 |
Chair
An office-type chair which provides for synchronous differential tilting of the seat and back assemblies, with the seat assembly being constructed such that the front lip thereof does not...
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6679551 |
Stackable chair with flexible back support
A stackable chair includes a base with a pair of inverted U-shaped leg members. Each of the leg members includes a front leg portion, a rear leg portion, and a generally horizontal portion...
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6609760 |
Chair control actuator with depiction
A chair control actuator, such as a chair control paddle, is provided with a surface relief. The surface relief depicts a chair in two different positions illustrative of different chair positions...
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6565153 |
Upper back support for a seat
An upper back support in a vehicle seat, with the vehicle seat having a base assembly including a seat support. The seat member is supported on the base assembly and a back frame is pivoted to the...
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6276755 |
Swivel arrangement for a chair seat
A swivel arrangement is provided for a chair having a backrest, a chair seat, a chassis, and a base. The chassis includes a swivel seat mounted to an underside of the chair seat, a first connecting...
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6116695 |
Chair control having an adjustable energy mechanism
A chair control is provided for use with a chair having a base assembly including a base frame, a back frame pivoted to the base frame for movement between upright and reclined positions, and a...
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6070937 |
Chair with user responsive reclinable back-support
A chair with user responsive reclinable back-support connected to a seat member by a set of elastically deformable bracket members. A pivot axis defined by an imaginary line connecting the...
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6065803 |
Seat back tilt control apparatus
A tilt control apparatus is provided for use on a chair having a base and a backrest, and includes a center retainer from which a pair of torsion bar segments protrude. A tubular outer casing is...
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5909923 |
Chair with novel pivot mounts and method of assembly
A task chair is provided having a base frame, a back assembly pivoted to the base assembly for movement between upright and reclined positions, and a seat slidably supported on the base assembly...
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5902012 |
Chair with movable back
A chair, with an elastic movable means capable of allowing the back of the chair to be leaned back at an angle of inclination, is disclosed. The chair has one or more leg frames. A seat frame is...
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5890763 |
Arrangement in a pivotable mounting, especially for a chair
A pivotable fastening for a chair, includes fastening members as well as a resilient element allowing resilient displacement of the fastening members The fasting has two substantially identical...
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5704688 |
Chair
A chair has a base, a generally horizontal seat supported on the base, and a generally vertical back supported on the base behind the seat and provided at a predetermined spacing above the seat...
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5697673 |
Chair with a pivoting backrest
A chair with a pivoting backrest includes resilient leaves which cooperate with limbs for supporting the backrest to oppose the pivoting of the backrest towards its pivoted-back position.
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5586808 |
Chair with lateral frame parts connected by transverse rods supporting seat and backrest
A chair has two lateral frame parts, each one in the form of a single, continuous member of an elastically yielding material. Transverse rods are connected between the lateral frame parts. A seat...
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5582459 |
Chair having tiltable seat back
A chair is provided which comprises a support, a seat arranged above the support, and a seat back tiltably connected to the support behind the seat. The seat back has an upper back supporting...
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5551758 |
Durable patient chair
A durable patient chair (10) comprises a chair base frame (12) including a pair of substantially rigid, spaced apart, front legs (22); a pair of brackets (14), each bracket (14) being fixedly...
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5340197 |
One-piece seat shell
A one-piece seat shell having a backrest and a seat connected by an angled transition section that contains a plurality of slots to permit resilient deflection of the backrest with respect to the...
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5320410 |
Chair control
A chair control includes a flexible truss having tandem springs interconnected in spaced relation so that they interact to provide a unique torque versus displacement profile during flexing, with a...
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5114210 |
Tilting chair with improved lumbar support
A chair comprising a frame having a seat portion and a back portion is adapted to support the trunk of the body of an occupant. The frame is supported on a base. The chair includes a mechanism for...
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5102196 |
Chair provided with a backrest
A chair provided with a backrest for use in offices, etc., comprising an inner shell (2) and an outer shell (3). Conventional chairs of this type have a problem that there is little freedom in...
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5039164 |
Chairs having swivel and rocker features
A chair having a seat section, a base section and a support structure interconnecting the seat and base sections for rockably supporting the seat section relative to the base section is disclosed....
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4981326 |
Ergonomic chair
An ergonomic chair having a movable, bendable chair back, which offers improved comfort and adjustability. The structure includes a series of rearward opening grooves in the chair back. This...
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4913493 |
Flexible structure
Semi-rigid structure which ability to the unidirectional deformation can be controlled, and particularly utilizable in the making of "ergonomic" seats, characterized in that it consists in a...
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4889385 |
Chair seat-and-back support
A chair comprises an elongated one-piece seat-and-back support bent so as to form a lower substantially U-shaped seat support and an upper substantially upright back support. The seat support...
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4856846 |
Chair with a seat and an inherently elastically pliable back rest
Chair with a seat and an inherently elastically compliant back rest that consists in the hip area of several transverse ribs separated from one another by interspaces, which are held together by...
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4790595 |
Chair having seat and back capable of relative tilting
Chair having seat and back parts capable of springy tilting relative to each other. The seat and back parts are provided in the region where they join each other with a reduced width to intensify...
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4787676 |
Vehicle seat, notably for motor vehicle
There is described a vehicle seat, notably for motor vehicle, comprising a bottom and a back, that back portion at least whereagainst the back of a person taking place in the seat bears, so...
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4776633 |
Integrated chair and control
An integrated chair and control arrangement is provided for tilt back chairs, and other similar seating. The chair has a base, as well as a back and a bottom or seat which are interconnected for...
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4756575 |
Frame assembly for a chair
A frame assembly for a chair includes a base member, a seat support member and a backrest member. The front end of the seat support member is pivotally mounted on the front end of the base member a...
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4744603 |
Chair shell with selective back stiffening
A shell construction is provided for seating, such as chairs and the like, and comprises a semi-rigid, resiliently flexible sheet, having a generally L-shaped side elevational configuration. The...
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