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| Number | Title | Issue Date |
| 7367623 | Ergonomic chair An ergonomic chair having a cooperatively adjustable knee support and seat is herein disclosed. The knee support and seat may be adjusted to position a user of the chair in a physiologic attitude that approaches the neutral position. ... | 05/06/2008 |
| 7338133 | Body support chair with immovable means for maintaining the legs The body support chair for the physically challenged and disabled comprises a frame supporting an articulated structure comprising a back, a seat, a foot rest (33) supported by two uprights and means for holding the legs, at least in part immovable. The holdi... | 03/04/2008 |
| 7306289 | Seating apparatus with tilted surface and the chair with the same The invention provide the seating apparatus to be used on the chair of the horizontal sitting base plate in order to avoid the lower back pain. By sitting on the seating base plate tilted forward from 5 to 45 degree, the person can keep the angle between the spine a... | 12/11/2007 |
| 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 |
| 7093900 | Seat The invention relates to a seat with a stable base wherein the angle of inclination of the seating surface can be moved around a pivot provided between the base and the seating surface, the latter being forced to move continuously and cyclically. ... | 08/22/2006 |
| 7086702 | Kneeling stool A compactable kneeling stool apparatus includes a base portion and a seat portion which is operably coupled to the base portion via a seat post member disposed between the seat portion and the base portion. The pivot connection selectively enables the seat post memb... | 08/08/2006 |
| 6811225 | Ergonomic seat and method A seat apparatus and method particularly well adapted for use in mobile platforms, and more particularly in a commercial aircraft. The seat apparatus includes a seat portion with linkage that enables a user to lift and tilt the seat portion forwardly while simultane... | 11/02/2004 |
| 6595590 | Body support for automotive mechanics A mechanic's body support including first and second horizontally-oriented and spaced-apart base rails and first and second spaced-apart support rails. Each of the support rails has one end connected to a respective one of the first and second base rails.... | 07/22/2003 |
| 6540301 | Body support for automotive mechanics A mechanic's body support including first and second horizontally-oriented and spaced-apart base rails and first and second spaced-apart support rails. Each of the support rails has one end connected to a respective one of the first and second base rails ... | 04/01/2003 |
| 5782534 | Chair with knee support A chair having a seat plate, a seat back supported on a yoke and a knee support. The yoke together with the seat back is foldable forward to a position where the seat back can be used as a knee support.... | 07/21/1998 |
| 5733011 | Multiple position tool caddy seat A multiple position work is disclosed caddy seat or stool which has a base and at least two rest surfaces to support a worker. The stool and rest surfaces are constructed and arranged to properly balance the worker's weight and relieve stress and strain o... | 03/31/1998 |
| 5667278 | Combinational chair, recliner and typing stool A combinational chair, recliner and typing stool including a base frame, a seat fixedly mounted on a fixed panel, a first linking member, a second linking member, a first adjusting rod, a fixing member fixedly mounted on a fixed panel, a supporting rod ha... | 09/16/1997 |
| 5542746 | Variable posture component system seating device The present design is of a variable posture component system seating device, also called a work chair, which integrates user selectable and adjustable components. The components consist generally of a short base, a long base, height adjustment mechanisms,... | 08/06/1996 |
| 5536067 | Chair A chair on which a user assumes a kneel-like sitting posture. The chair includes a floor-engaging support and a seat mounted on the support. The seat includes a posterior and leg supporting seating portion articulatable with respect to the support between... | 07/16/1996 |
| 5330254 | Workplace chair An adjustable chair comprises a front seat assembly, a rear seat assembly, and a base assembly, the base assembly supporting the front and rear seat assemblies independently of one another. The front seat assembly has a front seat pivotally mounted for ro... | 07/19/1994 |
| 5261727 | Convertible chair The chair can be converted from a state where a person traditionally sits on the approximately horizontal seat (13) of the chair to another state where the person sits on the now inclined seat of the chair, one and the same means being used as back rest i... | 11/16/1993 |
| 5255957 | Arrangement in a chair, for example a combined chair Arrangement in a chair (1), for example a combi-chair allowing for a plurality of sitting positions, in which in order to make it easier for the user (20) when sitting down on the chair, and presenting a larger variety of sitting positions for the user (2... | 10/26/1993 |
| 5054857 | Convertible chair A chair constructed for alternate use as a conventional seat and back rest is adapted for ready conversion of its back rest to a knee rest. Novel converting means provide for independent conversion, movement, and fine adjustment of the seat and back-knee ... | 10/08/1991 |
| 4848841 | Sitting device A sitting device, adapted to be used in two different sitting postures comprising a main frame, a seat pivotally mounted on said main frame and a separate knee support, which is pivotally mounted in one end each of a pair of supporting arms, which have th... | 07/18/1989 |
| 4832407 | Variable posture chair and method A variable posture chair (1) including a horizontally oriented seat (2), a vertically oriented body support platform (2) and an upwardly inclined leg support platform (4) is disclosed. At least one of the body support platform (2) and leg support platform... | 05/23/1989 |
| 4793655 | Multi-position convertible therapeutic chair A chair is equipped with a seat rest cushion and support and a separate back rest cushion and support. The cushions are mounted on the chair frame and interconnected by a mechanism which permits swinging the back rest cushion downwards to a knee rest posi... | 12/27/1988 |
| 4765684 | Multi-purpose chair with retractable knee rest Attachments and adjustments are applied to conventional chairs which provide a knee rest normally positioned in a retracted position beneath the seat cushion. Special mechanisms permit withdrawal of the cushion to a position facing the seat cushion and ti... | 08/23/1988 |
| 4736982 | Convertible chair A chair that converts from a conventional seat and back rest type of chair to a seat and knee rest type of chair utilizes a seat that is pivotally connected to a base support that, when pivoted, is rotated from a generally horizontal plane when used as a ... | 04/12/1988 |
| 4650249 | Ergonomic seating assembly system with front chest support component, pelvic tilt seat component and related attachments The invention comprises an ergonomic support system for a person in a seated position comprised of torso support platform, a seat, a shin support platform all supported by a main frame generally the size of a common chair, related attachments for facial a... | 03/17/1987 |
| 4614378 | Portable reversible chair apparatus A portable reversible chair apparatus with pivotal connections enabling the device to be converted from a "posture" chair configuration to a conventional chair configuration simply and quickly. While the device is in the "posture" chair configuration adju... | 09/30/1986 |
| 4534590 | Chair with a back for reclining The present invention is directed toward an orthopedically improved chair that is designed so as to prevent pain in the waist or back of the user. In one embodiment of the present invention, the chair is adaptable for use as either a squat chair or a conv... | 08/13/1985 |
