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8113586 |
Apparatus for adjusting the seat back angle
An apparatus for adjusting the seat back angle, and more particularly an adjuster inclinedly disposed at a lower position of the bottom of the seat back and the rear side of the seat portion,...
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7819473 |
Chair
A chair is provided that is designed so that the angle of the seat surface portion and the angle of the back surface portion are independent of each other and change, and a user can always take the...
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7802847 |
Angle-adjusting structure for backrest of chair
An angle-adjusting structure for a backrest of a chair is mounted at a rear side of a butterfly-shaped mounting member of the chair. The angle-adjusting structure includes a main body and a...
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7784870 |
Six bar mechanism and control for chair
A chair according to embodiments of the present invention includes a base; a first linkage pivotably coupled to the base, a seat pivotably coupled to the first linkage, a second linkage pivotably...
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7614697 |
Coupling mechanism interposed between a seat and a back of a chair to prevent a reclining motion of the back from tilting the seat
A chair has a coupling mechanism between a seat and a back, which includes a joining member, and a coupling member; the seat has two opposite front and two opposite rear ears on a bottom; 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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7344195 |
Dampener for a vehicle seat recliner
A recliner assembly for a vehicle seat having a seat back movably mounted relative to a seat bottom includes first and second frame members. The first frame member supports the seat back. The...
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7293832 |
Chair adjustable device
A chair adjustable device includes a base with which a seat frame and a backrest frame are respectively and pivotably connected. A positioning mechanism is connected to the base and includes an...
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7293833 |
Chair and support mechanism unit thereof
A chair is provided with a base 6 fixed at an upper end of a leg pillar 5, a back support unit 13 attached to the base 6 so as to tilt backward, a backrest 3 attached to the back support unit 13,...
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7249801 |
Cushioning device to cushion the backrest of a chair, an armchair, an office chair or similar
Cushioning device to cushion a backrest with respect to the seat of a chair or suchlike. The device comprises a first supporting element connected to the backrest, a second supporting element...
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7198328 |
Locking device for an office chair structure with an articulation permitting the movement of the seat and the seat back and related structures of the chair
A locking device in an office chair structure of the type with articulation permitting the movement of the adjustable seat and seat back, with a mobile base from which a column rises, which is...
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7159943 |
Adjustable office arm chair structure with articulation for the synchronous movement of the seat and the backrest
A structure for an office chair with articulation by synchronized movement of the seat and the backrest of the adjustable type includes a swivel type movable base with a height adjustable column...
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7140677 |
Ball chair
A ball chair has a seat, a backrest assembly and a ball cushion. The seat has a top face, a passage defined in the top surface of the seat, at least three legs formed on the seat and each leg and a...
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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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6932431 |
Chair having novel tilt control mechanism
A chair having a chair seat and a chair back includes a means for controlling the tilt of the chair back relative to the chair seat, the tilt means comprising a control body mounted beneath the...
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6874853 |
Chair
This object is attained in a chair comprising a pedestal; a seat support supported thereon via a chair column, said seat support comprising a front and a rear seat support element being connected...
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6709056 |
Preloaded spring arrangement, in particular for spring loading office chair synchronizing mechanisms
A preloaded spring arrangement, in particular for spring loading office chair synchronizing mechanisms, comprises a pair of leg springs, which are coaxially positioned on a common axis, each having...
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6607244 |
Reclining chair
A reclining chair including a support base, a chair seat rotatably coupled at its forward portion to the support base, a substantially vertically disposed coil spring provided adjacent the forward...
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6588843 |
Chair control
A chair control providing both articulating tilt motion and dual-ratio, adjustable, synchronized tilt motion. In a first aspect, the control can be configured as either an articulating tilt control...
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6572191 |
Chair, in particular office chair, having a synchronous mechanism
A chair, in particular office chair, comprises a pedestal; a seat support supported thereon by a chair column and having front and rear seat support elements which are interconnected by a pivot...
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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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6213552 |
Multi-position chair control mechanism for synchronously adjusting the seat and backrest of a chair
A seat adjustment mechanism for a chair includes a first handle which controls the height of the seat above a surface supporting the chair. A second handle allows the user to selectively lock the...
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6120096 |
Mechanical device for synchronous movement of the backrest and seat of a chair
A mechanical device for synchronous movement of a seat and a backrest of a chair comprising a first supporting bracket which is associated with a central column which protrudes from a rotating base...
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6059363 |
Chairback with side torsional movement
An office-type chair which includes a seat assembly and back assembly that are pivotally supported on a chair base or pedestal to support a user thereon. To increase the comfort of the user, the...
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6039398 |
Device for adjusting the inclination of the back-rest relative to the seating portion in chairs in general
A device for adjusting the inclination of the back-rest to the seating portion in chairs in general, comprising a first structural element rigid with the seating portion and a second structural...
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6039397 |
Tilt back chair control
A tilt back chair provides for selective independent and concurrent movement of a chair back with respect to a chair seat. The seat is mounted to a spring biased bracket for pivotal movement about...
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5909926 |
Vehicle seating assembly
A vehicle seating assembly includes a seat frame member supporting a back frame member. The back frame member includes a channel section which resists deformation of the back frame member. The seat...
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5704689 |
Chair having separable back
The back of a chair is divided into a waist support (40) and a shoulder support (50) which are pivotally supported by respective support members (27 and 37) so that they can move freely and...
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5658045 |
Chair with adjustable seat and backrest
Chair (1) with tilt mechanism for synchronous adjustment of a seat (4) and a backrest (6) which are swivel mounted on a base (8), from a normal working position in which the seat (4) assumes a...
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5511852 |
Adjustable backrest for a chair
An apparatus is provided for adjusting the position of a backrest relative to a chair seat. The backrest includes an elongated stem having a curved lower portion. Preferably, a spring operably...
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5505522 |
Deflectable seat back
A mechanism is provided for detachably interconnecting a seat base and a seat back of a chair such that the application of pressure to the seat back causes deflection therebetween and which returns...
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5452937 |
Plate for connecting the seat, back and legs, especially for chairs
A chair assembly consists of a seat, a back, one or more leg members and a mounting plate. The seat, back and leg members are removably mounted to the mounting plate, for allowing such components...
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5447357 |
Chair with inclinable seat
A chair with inclinable seat, in particular an office chair, is provided with a pedestal, with a seat support supported on the pedestal via a chair column, which seat support comprises a front and...
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5427434 |
Chair tilt and height adjustment mechanism
A chair tilt mechanism incorporating a tilt stop and height adjustment mechanism on a single lever is disclosed. In addition, the component parts of the chair tilt mechanism can be formed by...
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5344215 |
Backrest recliner mechanism
A backrest recliner mechanism for a vehicle seat or the like includes a connector and a locking mechanism which both pivot about the same line. The backrest recliner mechanism also utilizes the...
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5222783 |
Chair with its backrest adjustable in its angle
A chair with its backrest adjustable in its angle comprising a steering rod to keep the backrest upright or tilted in a certain pre-set angle and a control rod to push down a press button of an air...
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5174630 |
Resilient seat back return device
A resilient seat back return device used in two-door vehicles is provided. Between the mobile flange of the articulation and the fixed flange of the same articulation a connection link is pivotally...
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5092653 |
Chaise lounge having adjustable canopy with combined lock and return strut
A chaise lounge, usable for sunbathing and other recreational purposes, comprising a stationary base having a normally upright canopy pivotally mounted rearwardly thereon. The canopy, preferably...
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4711491 |
Swivel tilt mechanism for chair
A chair includes a base, a member attached to the base and a seat support pivotable with respect to the member along a generally horizontal axis. The pivoting axis is disposed in parallel with and...
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4208071 |
Reclinable seating structure
A reclinable seating structure in the form of a tubular framing structure having a pair of control means pivotably secured in a spaced arrangement on the seating structure and coupled together to...
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4165900 |
Reclinable seating structures
A reclinable seating structure in the form of a seating tubular frame utilizing the frame for the mechanism to allow the back supporting structure to be movable is realized. The reclining spring is...
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4123103 |
Chair control for a tiltable stenographer's chair
This invention discloses a novel chair control for use with a tiltable stenographer's chair. It discloses a compact and improved biasing means to control the movement of the movable frame member,...
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3494663 |
SUSPENSION RECLINER
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3434756 |
CHAIR WITH ADJUSTABLE BACK AND ARM RESTS
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3053571 |
Chair iron
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3046054 |
Height adjusting cam lock
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3046051 |
Tractor seat back-rest
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3034828 |
Chair
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2901026 |
Reclining chair
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2901027 |
Adjustable chair
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