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| Number | Title | Issue Date |
| 8371645 | Mechanism for self folding up and cushing a seat of portable chair A portable chair has a mechanism for self folding up and cushioning a seat. The mechanism includes a tension spring assembled between a seat frame and a rear leg for collapsing the seat, and a cushioning pad affixed on the rear leg. The tension spring has first and ... | 02/12/2013 |
| 8186754 | Worker's body support A worker's body support includes a base assembly which is preferably made of two spaced channel members. An upright assembly also preferably made of two spaced channel members is pivotally mounted at its lower end to the base assembly. An angular adjustment structur... | 05/29/2012 |
| 8109564 | Seat self-lifting device for portable chair A seat self-lifting device for a portable chair is mounted between a seat frame and a front leg of the portable chair. The seat self-lifting device includes a rotary axle, a spiral spring and a fixing rod. The rotary axle passes through the front leg and connects wi... | 02/07/2012 |
| 7784861 | Folding frame for a folding chair with seat back and seat cover A spring locking knob and a fixed stop at the upper ends of the front legs of a chair frame cooperate to restrict movement of a slideset joining the front legs, rear legs and seat support struts of a chair in making the chair with its cover seat more stable and resi... | 08/31/2010 |
| 7758112 | Foldable chair capable of being overlapped with other chairs vertically A foldable chair capable of being overlapped with other chairs vertically comprises two front legs, two rear legs and a seat plate. An inner side of each front leg has a recess for assembling the rear leg and a T shape buckle; each of two sides of a top end of an ou... | 07/20/2010 |
| 7753439 | Folding chair A folding chair that may be positioned in a folded position or a working position. The chair includes a front leg assembly that has first and second legs and a rear leg assembly that has third and fourth legs with first and second shafts slidably mounted therein. Th... | 07/13/2010 |
| 7717502 | Folding frame for a folding chair with seat back A spring locking knob and a fixed stop at the upper ends of the front legs of a chair frame cooperate to restrict movement of a slideset joining the front legs, rear legs and seat support struts of a chair in making the chair more stable and resistant to an inadvert... | 05/18/2010 |
| 7410211 | Folding chair with wheels A folding chair with wheels includes a backrest, a seat, a front leg frame and a rear leg frame pivotally connected to both sides of the seat, a plurality of wheel assemblies and a plurality of connection blocks. Each of the front leg frame and the rear leg frame co... | 08/12/2008 |
| 7311355 | Tent chair The tent chair includes a folding frame supporting a folding cover, with the frame attached to a folding or portable chair. The chair has a single rearward frame bow which is radially flexible but rigid orthogonal to the lateral bow pivot axis of the chair. A series... | 12/25/2007 |
| 7171709 | Accessories for a patient support apparatus A patient support with a removable foot section is provided. ... | 02/06/2007 |
| 7118173 | Baby-care implement provided with hood A baby-care implement comprises a hood which covers a top of a seat thereof. The hood comprises a mounting base fixed to a body of the baby-care implement, a first hood bone whose lower end is turnably connected to the mounting base, a second hood bone positioned on... | 10/10/2006 |
| 7080877 | Folding chair with sliding leg structure A folding chair is configurable into a use position and a storage position. The folding chair includes a backrest, a seat, and inner and outer support structures. The outer support structure includes substantially parallel first and second elongate outer support mem... | 07/25/2006 |
| 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 arranged to return the chair back to the home position. ... | 12/13/2005 |
| 6969113 | Folding chair with metal inserts A plastic folding chair comprises a support frame, a main frame and a seat frame. The support frame further comprises a pair of parallel rear legs. Each rear leg is reinforced by an internal insert and may haves a rear surface incorporating a wedge that facilitates ... | 11/29/2005 |
| 6953221 | Foldable chair A foldable chair includes a chair frame and a seat frame. The chair frame includes two spaced apart front legs, two spaced apart rear legs pivotally connected to the two front legs respectively, and a supporting member transversely extended between the two rear legs... | 10/11/2005 |
| 6948202 | Accessories for a patient support apparatus A foot section is provided for use with a patient support. The foot section includes a body and at least one support coupled to the body. ... | 09/27/2005 |
| 6863341 | Foldable chair A foldable chair includes a first leg, a second leg pivotally connected with the first leg, and a seat module pivotally mounted on the first leg and detachably locked on the second leg. The second leg is formed with a forward protruding holding portion formed with a... | 03/08/2005 |
| 6824210 | Collapsible chair A collapsible chair has a front leg, a rear leg, a cross brace, a seat support rod, and a back rest, coupled together such that the chair collapses in a single movement. In especially preferred aspects, a collapsible chair comprises a connector that is slidably coup... | 11/30/2004 |
| 6655731 | Therapeutic chair An orthopaedic chair including a frame for supporting a contoured chair seat and chair back; each of which is mounted for rotation on a horizontal axis. Horizontal adjustment for the axis of the chair seat and vertical adjustment for the axis of the chair... | 12/02/2003 |
| 6435607 | Folding massage chair structure A folding massage chair structure, the innovative features of which includes the fixing of guide sleeves at the rear surface of the chair back. The guide sleeves have inserted through them guide rods and the center sections of the guide rods are conjoined... | 08/20/2002 |
| 6361105 | Folding chair with retractable cup holder A chair includes a chair arm (20) coupled to a frame (22, 28) and a cup holder (24) mounted to chair arm (20) for movement between a retracted position lying underneath chair arm (20) to an opened position lying away from the underside of chair arm (20) t... | 03/26/2002 |
| 5154472 | Folding chair with continuously variable self-balanced tilting action A chair having a seating unit and two pairs of legs made slidably integral by couplings attached to the seating unit and designed to engage the relevant inserts located in such first pair of legs, which are made to slide in relation to the second pair of ... | 10/13/1992 |
| 5123697 | Multiposition chair A multiple-position chair has a main frame, a lower frame, and an intermediate frame. The main frame has a pair of parallel longitudinal side bars having lower ends normally engaging the ground and upper ends and a transverse bar interconnecting the lower... | 06/23/1992 |
| 5094509 | Deck chair to transform into a sun bed A deck chair comprising a cloth (20) and a frame (10-13) consisting of a number of components to be arranged in two different ways so as to obtain either a real deck chair with an inclined and adjustable seat or a sun bed with a substantially flat canvas ... | 03/10/1992 |
| 4793654 | Chair with height-adjustable seat A chair with continuously height adjustable seat, comprising a frame having a pair of guide portions and a seat movable along the guide portions and capable of being fixed to the guide portions. The frame comprises an outside frame and an inside frame both of ... | 12/27/1988 |
| 4252367 | Sling chair The sling is secured in a front cross-bar which is pivotally mounted in a suspended manner at the front of the chair to accommodate the various positions of an occupant. A flexible plate is also secured to the front cross-bar under the sling to increase t... | 02/24/1981 |
| 4245709 | Removable drill string stabilizers A stabilizer sleeve, or other sleeve, to be releasably mounted on a drill collar for centering a drill string in a well bore, includes an outer stabilizer sleeve to be mounted on the cylindrical periphery of the drill collar and having an internally threa... | 01/20/1981 |
