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| Number | Title | Issue Date |
| 8146990 | Mechanism for an office chair A mechanism for an office chair having a backrest support which may be pivoted rearwardly. Adjustment of the backrest pivotal motion is accomplished by the mechanism having a base support which may be positioned on a chair column, a seat support, the backrest suppor... | 04/03/2012 |
| 7429081 | Tilt control mechanism for a chair A tilt control mechanism for an office chair includes a spring assembly therein which controls the tilt tension on the back assembly. The tilt control mechanism includes a control plate mounted to the control shaft on which the uprights are mounted, wherein the cont... | 09/30/2008 |
| 7410216 | Tension adjustment mechanism for a chair A tilt control mechanism for an office chair includes a spring assembly therein which controls the tilt tension on the back assembly. This tilt control mechanism includes a tension adjustment assembly having a radial adjustment arm which supports the legs of a pair ... | 08/12/2008 |
| 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 to rearward positions of the seat bottom portion and extend downwardl... | 06/10/2008 |
| 7367622 | Tension adjustment mechanism for a chair A tilt control mechanism for an office chair includes a spring assembly therein which controls the tilt tension on the back assembly. This tilt control mechanism includes a tension adjustment assembly having a cam wedge which supports the legs of a pair of coil spri... | 05/06/2008 |
| 7360835 | Seating with comfort surface A chair includes a base, a seat, a back, and a control operably supporting the seat and back on the base for movement between upright and recline positions. The seat and back include a stiff perimeter frame with opposing perimeter sections, and a plurality of rods e... | 04/22/2008 |
| 7325873 | Seating unit A seating unit comprising a base configured to be positioned on a floor, a torsional energy unit connected to the base, a back connected to the torsional energy unit and a seat rotatably connected to the torsional energy unit. The torsional energy unit biases the ba... | 02/05/2008 |
| 7322653 | Integrated videogaming and computer workstation Disclosed is a videogaming and computer workstation unit, preferably integrated with an ergonomic chair, which permits ease of entry and exit to the chair for users of various sizes, and which permits users to use peripheral devices for operating video games and com... | 01/29/2008 |
| 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 operation handle which is able to shift a transmission frame and a posit... | 11/13/2007 |
| 7293825 | Multi-position chair A multi-position chair may be positioned into multiple positions including one or more sitting positions at different heights, one or more leaning positions at different angles, and one or more storage positions. The multi-position chair may include a seat, a back a... | 11/13/2007 |
| 7281764 | Tension control mechanism for chair The chair includes seat and back assemblies interconnected in a four-bar linkage. The chair further includes a tension mechanism comprising a coil spring projecting forwardly from a base and an adjustment linkage which is connected to said coil spring and to a front... | 10/16/2007 |
| 7278642 | Snow sled A snow sled (100) comprising a seating portion (116) that includes a lightweight space frame (104) having a suspension-type seat (108) stretched among the space frame. The sled further includes a steering portion (120) and an artic... | 10/09/2007 |
| 7273253 | Chair ride mechanism with tension assembly A task chair, including a backrest assembly and a seat assembly pivotally coupled both to one another and to side portions of a fixed yoke member for synchronized movement, in which the seat of the seat assembly moves upwardly and forwardly concurrently with recline... | 09/25/2007 |
| 7264311 | Synchrotilt seating unit with comfort surface A seating unit includes a base, a reclineable back, a seat, and a control operably supporting the back and the seat on the base for synchronous movement between upright and recline positions. The control includes a pair of flexible support members and a link that co... | 09/04/2007 |
| 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 connected to the seat and pinned to the first supporting element, and a sp... | 07/31/2007 |
| 7243993 | Tilting mechanism for a chair and a chair having the same A chair has a backrest and a pair of armrests. A pair of support struts for supporting the backrest is connected to a shaft of a base under a seat. The armrest is supported by an arm post. An operating lever is mounted on the upper front end of the arm post. When th... | 07/17/2007 |
| 7185951 | Chair and synchrotilt chair mechanism A synchrotilt chair mechanism and a chair are provided. The synchrotilt chair mechanism is for use on a chair that has a base assembly with an extending pedestal, a seat and a back. The mechanism includes a chassis that is coupled to the pedestal and a seat plate th... | 03/06/2007 |
| 7172539 | Abdominal exercising support apparatus An exercise apparatus for use in performing abdominal exercises. The apparatus includes a back support member having a first side for supporting a back of a user and a headrest having a first side for resting a head of a user thereagainst. A device for supporting a ... | 02/06/2007 |
| 7172047 | Seat brake apparatus A seat brake apparatus having a small number of components. A pivot member connected to a seat is pivotally supported by a front plate of the battery compartment. A contact plate is connected to the front plate. A torsion spring supported by the front plate has a fi... | 02/06/2007 |
| 7165811 | Control mechanism for seating unit A seating unit includes a base, a reclineable back, a seat, and a control operably supporting the back and the seat on the base for movement between upright and recline positions. The control includes a pair of flexible support members and a link that combine to ope... | 01/23/2007 |
| 7147285 | Reclining apparatus for chair A reclining apparatus is provided between a post and a seat of a chair. The reclining apparatus includes a first joint for attachment to the post, a second joint pivotally connected with the first joint for supporting the seat and a locking device for locking the se... | 12/12/2006 |
| 7097249 | Tilting mechanism for a chair and chair having the same A chair has a backrest and a pair of armrests. A pair of support struts for supporting the backrest is connected to a shaft of a base under a seat. The armrest is supported by an arm post. An operating lever is mounted on the upper front end of the arm post. When th... | 08/29/2006 |
| 7066538 | Chair with tilt lock mechanism A tiltable chair is provided with a tilt lock mechanism that can be activated when the chair is at any tilt position, the tilt lock mechanism engaging and locking the chair when the chair moves into the upright, neutral position. ... | 06/27/2006 |
| 7044540 | Saddle made of composite material, in particular for a bicycle Saddle made of composite material, in particular for a bicycle, which comprises a support structure (2) provided with a padding (3) having, associated above it, a seating surface (7). The support structure (2) comprises a plurality of fir... | 05/16/2006 |
| 7036422 | Continuously lockable adjusting device The invention relates to a continuously lockable adjusting device 1, consisting of a fluid-filled cylindrical housing 2, of a piston 4 which is axially movable in the housing 2 and which subdivides the housing 2 into two pressure c... | 05/02/2006 |
| 7036882 | Chair, in particular office chair A chair, in particular office chair, comprises a seat support with a front seat support part and a rear seat support part which is pivotable in relation thereto about a horizontal pivoting axis. An adjustable-length energy storing device, which is articulated to the... | 05/02/2006 |
| 7014262 | Support for tilting or synchronized chairs A support for tilting or synchronized chair is provided. The device includes a supporting frame, a mobile frame, an elastic member, a stiffness adjustment mechanism coupled with the elastic member, a locking mechanism for engaging the mobile frame with the supportin... | 03/21/2006 |
| 7014269 | Chair back construction A back for a chair includes fabric panel with a flexible carrier attached to the panel around its periphery. The carrier is configured to be secured along a bottom edge to a bottom portion of a chair back frame member. The carrier is also secured to two vertical fra... | 03/21/2006 |
| 7000987 | Device for supporting a seated person and method for adjusting, designing and/or manufacturing such a device A device for supporting a seated person, comprising a seat and a support for the lumbar-thoracic transition region, which is connected to the seat, and characterized by an adjustable lumbar-sacral support, which is mounted at a location of a lower side of the suppor... | 02/21/2006 |
| 6966604 | Chair with a linkage assembly A chair includes a control housing, a seat and a back support including an upwardly extending upright portion and a link portion extending forwardly from a lower portion of the upright portion. The link portion is pivotally connected to the control housing about a f... | 11/22/2005 |
| 6957863 | Seating unit having motion control A seating unit includes a seat, a back, a base, and a motion control having a plurality of flexible supports for operably supporting the seat and back on the base. The flexible supports are movable in a generally fore-to-aft direction but stiff in a generally vertic... | 10/25/2005 |
| 6945602 | Tilt control mechanism for chair A chair back is supported on a rigid upright coupled to a horizontal tilt shaft disposed under the front of the chair seat and supported on a control housing fixed to a pedestal. A tension mechanism urges the upright into an upright position. The chair seat is movab... | 09/20/2005 |
| 6935689 | Chair The chair comprises an axis X1 that extends right and left and that connects a seat 6 and a supporting body 3 arranged under the seat 6 in a rotatable manner at a front end portion of the seat frame 4, an axis X2 that connec... | 08/30/2005 |
| 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 providing a biasing supporting force to the back during recline, and... | 08/23/2005 |
| 6929327 | Chair with oscillating seat A chair, in particular an office chair, comprising: a base structure, a seat support structure, articulated to the base structure around a transverse axis, an adjustable elastic device to apply an elastic force between the base structure and the seat support structu... | 08/16/2005 |
| 6913317 | Adjustable swivel rocker The chair frame of a swivel rocker is slidably mounted via a pair of sleeves on the arms of a pair of flexures mounted on the base of the rocker to allow the chair frame to be moved into different positions on the flexures. Bolts are used to secure the sleeves in pl... | 07/05/2005 |
| 6913316 | Chair In order to provide a chair that can support near a pelvis or a lumbar portion of a person who sits on the chair irrespective of a body proportion the person or a way to sit, a boundary portion K between a back and a seat is arranged to be transformable or movable a... | 07/05/2005 |
| 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 with one another via a pivot axis extending substantially horizontally... | 04/05/2005 |
| 6869142 | Seating unit having motion control A seating unit includes a seat, a back, a base, and a motion control having a plurality of flexible supports for operably supporting the seat and back on the base. The flexible supports are movable in a generally fore-to-aft direction but stiff in a generally vertic... | 03/22/2005 |
| 6840578 | Chair improvement structure A chair has a seat connected to a support leg in an up and down angularly displaceable manner, elastic elements for propping up a rear end of the seat to a higher position, and a mechanism for limiting position of the seat when the seat seats people; the mechanism h... | 01/11/2005 |
