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| Number | Title | Issue Date |
| 7770973 | Chair The invention relates to a chair with a seat, a base support and a backrest, wherein the seat is mounted on the base support so as to be pivotable about a first pivoting axis and the backrest is mounted on the seat so as to be pivotable about a second pivoting axis.... | 08/10/2010 |
| 7753447 | Casual control tilt lockout An apparatus comprising a cantilever having a distal end and a proximate end, a frame portion coupled to the distal end, a base portion coupled to the proximate end, and a locking apparatus coupled to the frame portion, the base portion, or the cantilever, wherein t... | 07/13/2010 |
| 7431397 | Chair A chair has a seat, a center column, a seat support bar joined to the center column, and a mechanism provided for securing the seat with adjustable inclination to the seat support bar and including a toggle lever assembly. ... | 10/07/2008 |
| 7350863 | Height-adjustable work chair Work chair, comprising a seat, supported in a height-adjustable manner by a column on a foot, and an adjustable backrest, the seat, at least in part, having a substantially horizontal position, and the backrest promoting an upright position of the user's back, chara... | 04/01/2008 |
| 7347499 | Marine seat interchangeable component assembly and method A seat for marine use including a hollow primary seat structure. The primary seat structure has a generally upright back portion and a seat portion formed integrally with the back portion and extending forwardly therefrom. The back portion includes at least a pair o... | 03/25/2008 |
| 7334489 | Dual rate force transducer A dual rate force transducer is disclosed. A spring is machined to have a first spring portion with a first spring rate, a second spring portion with a second spring rate, and a platen between the spring portions. A pair of flanges are affixed to the distal ends of ... | 02/26/2008 |
| 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 |
| 7261368 | Ergonomic chair An ergonomic seating assembly for comfortably supporting an individual during prolonged periods of time sitting in one position thereby alleviating back and neck strain and increasing productivity. ... | 08/28/2007 |
| 7234774 | Seating unit with novel flexible supports 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... | 06/26/2007 |
| 7234777 | Chair with adjustable armrests and backrest A task chair is disclosed, including a base, a seat supported by the base, and a pair of uprights connected to the base and extending upwardly from the seat. A pair of armrests are attached respectively to the uprights, and are selectively positionable along the upr... | 06/26/2007 |
| 7195316 | Multi-positional seat The present invention provides an apparatus for use in sitting on a vehicle and a method for use in manufacturing a seat. The apparatus can include a base, a back secured with the base and a seat pan secured with the base. The seat pan can further include a first po... | 03/27/2007 |
| 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 |
| 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 |
| 7052088 | Reclining chair Reclining chair includes a leg (4), a seat base (3) and a backrest, with the seat base and backrest being able to be moved and tilted in respect of said leg, for maintaining the center of gravity. A tilting arrangement includes a first body (5) ... | 05/30/2006 |
| 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 |
| 7004543 | Chair A tiltable chair including a housing, a back support pivotally attached to the housing about a first horizontal axis and a seat support pivotally attached to the housing about a second horizontal axis. A leaf spring includes a first end engaging the housing and a se... | 02/28/2006 |
| 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 |
| 6957862 | Chair with a seat-inclination adjusting device A chair includes an upper frame disposed above and pivoted to a lower frame. An inclination adjusting device includes a latch mounted slidably on the upper frame and movable between a first position, in which the latch extends into and engages a selected one of enga... | 10/25/2005 |
| 6942295 | Reclining chair system A reclining chair system with a standard assembly supporting seat and backrest assemblies, which are pivotally mounted to each other and capable of providing a rocker effect to a user. A strut assembly provides substantially a bounce free shock absorbing function by... | 09/13/2005 |
| 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 |
| 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 |
| 6827401 | Leaf spring rocker mechanism for a reclining chair A rocker mechanism is provided for implementation with a chair assembly to enable forward and rearward rocking thereof. The rocker mechanism includes upper and lower castings resiliently interconnected by a pair of leaf springs extending at an angle therebetween. Th... | 12/07/2004 |
| 6783180 | Chair tilt lock mechanism This invention is an improved tilt lock device for chairs having a spindle and piston for raising and lowering the chair. The improvement consists of a pawl plate for engagement with the piston where the pawl plate is integral with a locking shaft that extends from ... | 08/31/2004 |
| 6773066 | Control for a seat, and a seat incorporating it A control for a seat, and a seat in combination with the control and a base, said control comprising an upper and a lower arm pivotally joined, with a flexure extending as a cantilever between them, such that a contactor contacts the flexure, and both permits and li... | 08/10/2004 |
| 6729688 | Seat and backseat assembly for seating, in particular office chairs The invention relates to seat and backrest arrangements in seat furniture, in particular office chairs, which comprise a seat plate, a seat-plate support and a backrest support and in which the seat plate (1), in the region of its front, knee-side edge (2 | 05/04/2004 |
| 6692075 | Chair having a synchronously adjustable seat and backrest A chair, in particular an office chair, has a backrest that is articulated on a seat carrier via a backrest carrier, and has a seat surface that can be moved synchronously with the backrest. The front region of the seat surface is connected to the seat ca... | 02/17/2004 |
| 6688689 | Multiple degree of freedom seat suspension system A seat suspension system includes a first seat (e.g., a base) member and a second seat (e.g., a seat) member preferably overlying the first seat member. At least one spring (e.g., elastic or rubber) mount is interposed between the first and second seat me... | 02/10/2004 |
| 6669298 | Seat assembly including resilent friction member A damper (20) for damping motion between two relatively moveable members, such as pivotal motion between components in office chairs (10). The damper (20) includes a outer member (22) having an internal recess (23) with a inner surface (24) and a crosswis... | 12/30/2003 |
| 6644741 | Chair A synchrotilt mechanism for a chair to provide improved control over the relative but synchronized tilting of the back and seat during tilting. The chair back is supported on a rigid upright assembly including lower lever arms which project under the chai... | 11/11/2003 |
| 6644742 | Seating element for a seating arrangement The invention relates to a novel seating device (1) with an elastic support element (2), at least one support leg (3) and a seat element (4), wherein the support element (2) has a substantially toroidal support body (9) standing on the ground. One great a... | 11/11/2003 |
| 6595593 | Locking mechanism suitable for use in office type chairs A locking mechanism (11) suitable for use with office type chairs comprising an operating lever (13) movable between a locking position in which locking takes place and an unlocking position in which unlocking takes place, a spring, which biases the lever... | 07/22/2003 |
| 6595584 | Seating for individuals and for groups of individuals with various degrees of accommodation and distraction Seating such as chairs and groups of chairs which include a base, a support for an occupant, and a control mounting the support to the base which optionally can enable a rocking motion for the support, and a control for this purpose. A plurality of seatin... | 07/22/2003 |
| 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 or a synchronized tilt control. In a second aspect, the a... | 07/08/2003 |
| 6547206 | Seat suspension for wheelchair A wheelchair seat suspension comprises at least one substantially horizontally, disposed elongate spring. The spring is adapted to be supported by the wheelchair frame. At least a portion of the spring is adapted to support at least a portion of the seat.... | 04/15/2003 |
| 6523897 | Chair adjustable to different heights and angles A chair includes an actuator having an actuator button disposed on top, a base secured on the actuator, a spring engaged in the base and having an actuator arm engaged on the actuator button for actuating the actuator button to release the actuator. A bar... | 02/25/2003 |
| 6250715 | Chair A tiltable chair including a housing, a back support pivotally attached to the housing about a first horizontal axis and a seat support pivotally attached to the housing about a second horizontal axis. A leaf spring includes a first end engaging the housi... | 06/26/2001 |
| 6209958 | Universal tilt mechanism for a chair An office chair includes a tilt control mechanism which connects a seat assembly to a base. The tilt control mechanism defines a pivot connection between the seat assembly and the base whereby the seat assembly effectively pivots about a pivot point in an... | 04/03/2001 |
| 6176548 | Tilt mechanism for chair having adjustable spring characteristics An office chair includes a tilt control mechanism which connects a seat assembly to a base. The tilt control mechanism defines a pivot connection between the seat assembly and the base whereby the seat assembly effectively pivots about a pivot point in an... | 01/23/2001 |
