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| Number | Title | Issue Date |
| 7396081 | Chair height adjustment mechanism A chair control mechanism has a rotatable shaft with a radially extending member abutting an actuating finger of a gas control cylinder. A slider may push a second radially extending member of the rotatable shaft in order to rotate the shaft. The slider has a tab ex... | 07/08/2008 |
| 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 |
| 7334840 | Glider chair with self-locking mechanism A glider chair includes a glider frame and a seat, swingably suspended by a plurality of hangers from a base disposable on a support surface. The seat is pivotable with respect to the glider frame between an upper position and a lower position, and biased to the upp... | 02/26/2008 |
| 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 |
| 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 |
| 6739664 | Chair A chair 1 allowing a person sitting thereon to move a part of the person's body above the waist which corresponds to the backrest of the chair is provided having a backrest portion located behind a seat portion, the backrest portion being divided into backres... | 05/25/2004 |
| 6659555 | Spring unit for weight adjustment of a chair A spring unit (11) for the weight setting of a chair (1), in particular an office chair, having a gas spring (12) and having a number of further spring elements (17, 18, 19; 27, 28) which can be connected up to the gas spring (12) individually or in combi... | 12/09/2003 |
| 6513879 | Chair adjustment mechanism This patent relates to ergonomically correct seating during long periods of time, especially for professionals who work with hands extended like dentists and hand surgeons, but also computer users and other office or assembly workers. While the immediate ... | 02/04/2003 |
| 6290296 | Anti-rattle pad A chair height control mechanism has a gas cylinder with a valve control finger extending from an upper end overlain by a tilting actuator. A resilient pad is adhered to the upper end of the gas cylinder surrounding the valve control finger and maintains ... | 09/18/2001 |
| 6045187 | Chair seat height adjustment mechanism A chair height adjustment mechanism which can be retrofit to a chair comprises a rod with a circumferential notch proximate one end for insertion through openings in the chair seat support bracket above a valve opening member of the chair height adjustmen... | 04/04/2000 |
| 5961179 | Operator-interactive adjustable workstation An operator-interactive adjustable workstation including a support frame, a seat adapted for engagement with an operator, and a worksurface having an enlarged upper surface. A motion connecting structure connects between the frame, seat and worksurface fo... | 10/05/1999 |
| 5577802 | Adjustable chair A chair comprises a base with a fixed stem extending vertically from the base and a track member mounted to the top of the stem. The track member is a segment of a circle, the center of which is forward of the chair and coincident with either the knee or ... | 11/26/1996 |
| 5383709 | Orthopedic chair with forwardly and rearwardly inclined positions A mobility chair is provided with a pair of mounting members projecting downwardly from armrests on opposite lateral sides of a seat frame approximately midway between a front end of the seat frame and a back frame. The mounting members are pivotally conn... | 01/24/1995 |
| 5056866 | Rocking chair, particularly office chair construction To provide for a compact seat adjustment mechanism, an elongated seat support (21) is secured to a floor support structure including a central post (13), to extend at an upwardly directed angle of inclination. The seat (17), attached to a seat support (29... | 10/15/1991 |
| 4790598 | Inclinable chair provided with balance or rocker structure The chair has a seat or seat portion equipped with a balance and its linkage structure has links fixed in articulated manner to a support arm and to which there is articulated a balance device in parallelogram-like manner. A slide is slidingly guided on t... | 12/13/1988 |
| 4732423 | Invalid's chair construction Invalid's chair has a support frame which includes a main support section, a seat support section pivotable on the main frame section and a back frame section, pivotable on the seat support section of the frame. The chair includes a seat cushion mounted o... | 03/22/1988 |
| 4664352 | Suspension device for vehicle seat A suspension device for a vehicle seat has a lower frame secured to a vehicle floor, an upper frame disposed above the lower frame in parallel for mounting the vehicle seat, link plates disposed in parallel on the front side and the rear side of a vehicle... | 05/12/1987 |
| 4632455 | Chair with occupant assisting features A chair having a seat pivotally connected to a base frame, the seat's pivotal axis being horizontal and parallel to the front of the chair and located intermediate the front and back of the seat proximal its center of gravity. A hydraulic cylinder is atta... | 12/30/1986 |
