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| Number | Title | Issue Date |
| 8167373 | Height adjustment mechanism for a chair A height adjustment mechanism is disclosed that includes a pedestal height variability mechanism. The pedestal height variability mechanism includes a first member and a biasing mechanism. The biasing mechanism is configured to hold the first member in a first posit... | 05/01/2012 |
| 7905549 | Highchair A highchair with a foot part and a seat element mounted thereon has a length-adjustable gas-filled strut therebetween for support and height adjustment of the seat element. The gas-filled strut may be length adjustable with two-handed safety operation. The seat elem... | 03/15/2011 |
| 7673941 | Delayed gas spring chair A gas spring adapted for automatically re-adjusting to a predetermined position, the gas spring incorporating a delay mechanism so that the automatic re-adjustment is delayed by a predetermined amount of time, and articles incorporating such a delay gas spring, such... | 03/09/2010 |
| 7549703 | Elevatable-stand-adapted, wheeled chair apparatus A wheeled chair apparatus is adapted for connection with an elevatable stand, such as a hydraulic stand, and the subject wheeled chair apparatus includes a wheeled chair unit which includes a seat portion and a reclinable seat back portion connected to the seat port... | 06/23/2009 |
| 7407228 | Seat structure for a gaming machine A system for mounting a seat to the front of a gaming machine. A base platform is provided that has a front edge. At least one hole is disposed in the base platform proximate its front edge. A seat is attached to the base platform utilizing a vertical column. The ve... | 08/05/2008 |
| 7401856 | Seating device There is provided a sit-stand stool comprising a seat adapted to support a pelvis of a user and a base. The base supports the seat and is adapted to securely engage a floor. The base is adapted to provide a tilting motion of the seat, between a raised position and a... | 07/22/2008 |
| 7401858 | Chair having automatically adjustable backrest A system and method are presented for discovering mobile collaborators on a peer-to-peer (P2P) network. Each collaborator is identified on the P2P network by a unique ID. Each collaborator may also be identified by an identity file posted on the P2P network. Collabo... | 07/22/2008 |
| 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 |
| 7364183 | Seat rotating device for baby strollers A seat rotating device for a baby stroller includes a rotation unit connected to an underside of the seat and two insertions on two sides of an underside of the rotation unit are inserted into a positioning unit. The rotation unit has a disk and the seat is connecte... | 04/29/2008 |
| 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 |
| 7290834 | Hydraulic vehicle seat adjustment system A hydraulic vehicle seat adjustment system for providing positional adjustment of at least two seat adjustments of a vehicle seat. The system comprises a common source of hydraulic fluid, and a control unit which selectively controls and directs hydraulic fluid from... | 11/06/2007 |
| 7281374 | Hydraulic device for elevating/lowering chair A chair elevating/lowering hydraulic device includes at least a foot pump 3 which absorbs oil by an ascent of an operation lever 1, which discharges oil stored by a stepping-on of the operation lever, and which discharges stored oil by a stepping-on of... | 10/16/2007 |
| 7231866 | Opening and closing switch structure for valve pin control of gas cylinder The cable type opening and closing switch structure for a valve pin control of a gas cylinder is disclosed. There is provided a cable type opening and closing switch structure for a valve pin control of a gas cylinder, comprising a ball that is slide-contacted with ... | 06/19/2007 |
| 7219956 | Convertible stool A convertible stool is interchangeable between a utility function which has a seat movable up and down and has casters as feet at the end of legs connected with the seat through an upstanding member. In a second use, the casters are replaced by feet to give stabilit... | 05/22/2007 |
| 7198329 | Height adjustable work chair A height adjustable chair has an upper portion that moves relative to a lower portion. Push-off arm rests are provided so that a person need not leave the chair to adjust the seat height upwardly. A seated person can transfer their body weight to the push-off arm re... | 04/03/2007 |
| 7195215 | Suspension arm A suspension arm comprising a rising/descending device further consists of an inner sleeve; a retractable shaft and an elastic body inside, an outer sleeve connect to the inner sleeve, a clip ring on the top open of the outer sleeve. The outer sleeve can revolve on ... | 03/27/2007 |
| 7188819 | Object-support column Object-support column includes an end unit, a guide tube which has a nominal diameter, and end having an end diameter which is smaller than the nominal diameter, and a transition-length portion extending from the nominal diameter to the end diameter, the end being c... | 03/13/2007 |
| 7182323 | Arrangement with a height-adjustable component An arrangement with a height-adjustable component includes an approximately vertically extending upright which bears the component, the upright including a pneumatic spring. The pneumatic spring has a cylinder having a bottom end connected to a fixed part of the arr... | 02/27/2007 |
| 7134379 | Gas cylinder Disclosed is a gas cylinder, for improving sealing characteristics of the gas cylinder and improving convenience in manufacturing, including: a valve having a gas opening/closing pin at a through hole in its center, for intermittently passing a gas, and additionally... | 11/14/2006 |
| 7114781 | Office chair with high-technology armrest equipped with integrated control buttons for adjusting the movements of the seat and the seat back A high-technology armrest with integrated buttons connected to a command transmission cable for the adjustment of the seat and the seat back movements of an office chair with articulations for the synchronized movement of the seat plane and the seat back. The invent... | 10/03/2006 |
| 7108324 | Vehicle seat adjuster A pneumatic seat adjuster for moving a vehicle seat relative to a floor of the vehicle includes a body having a bore formed therein. The body is adapted to be connected to one of a floor and a vehicle seat. A piston is slidably disposed in the bore of the body. The ... | 09/19/2006 |
| 7059592 | Gas cylinder Disclosed is a gas cylinder capable of operating in a stable manner, including: a release arm connected to one end of a predetermined cable, for being rotated by pulling operation of the cable; a taper holder for receiving the release arm in its inside, and for supp... | 06/13/2006 |
| 7025367 | Adjustable air cushion bicycle seat An adjustable air cushion bicycle seat hydraulic ram system mounted within the seat post of a bicycle with one end of the ram attached to the bicycle seat, and the other end of the ram in communication with an internal reservoir associated with an adjustable pressur... | 04/11/2006 |
| 7014264 | Folding chair with pnuematically height adjustable seat A folding chair has a height adjustable seat whose height is controlled by a pneumatic cylinder having locking springs is seated inside each of the two tubular front legs of the chair. A trigger mechanism allows the user to release the locking aspect of the springs,... | 03/21/2006 |
| 7008328 | Controllably rotatable seat A controllably rotatable seat having an arm to which one or more seats are attached. The arm is rotatably connected to a carrier. An electrical motor, pneumatics, hydraulics, or any other mechanism that is well known in the art for producing rotation rotates the arm... | 03/07/2006 |
| 7007587 | Snap-in rotatable cylinder control A control for a fluid cylinder includes a cylindrical housing made of a polymeric material which pivotally receives a control arm having a cable release receiving member at one end and which can be snap-fitted within an open end of a pneumatic cylinder to lockably e... | 03/07/2006 |
| 6997511 | Seating device A seating device comprising a connecting element having an end portion dimensioned to be releasably and rotatably inserted into an aperture defined in a ground or floor. The aperture is dimensioned to receive the connecting element so as to support the seating devic... | 02/14/2006 |
| 6941621 | Boat seat release system A boat seat release system for assisting in the efficient and safe removal of a boat seat from a taper lock base. The boat seat release system includes a collar attachable to a pedestal and a pedal pivotally attached to the collar for selectively engaging a taper lo... | 09/13/2005 |
| 6928710 | Methods for retrofitting an adjustable chair A method for retrofitting an adjustable chair including a seat, a pedestal base, and a gas cylinder that extends therebetween is provided. The method includes the steps of uncoupling the gas cylinder from the chair, and coupling a height adjustment mechanism to the ... | 08/16/2005 |
| 6902238 | Personal transportation seat in particular for aircraft passengers A personal transportation seat, in particular for aircraft passengers, includes individually adjustable seat parts (3, 7). At least one seat part may be moved against a returning force, with a force reservoir (11), normally blocked by a locking device.... | 06/07/2005 |
| 6871912 | Highchair A highchair comprising a base portion, a pneumatic cylinder and a seat portion. The base portion is connected to the pneumatic cylinder by a retaining clip and a fixing block. The pneumatic cylinder is connected to the seat portion and can pivotally rotate to a fold... | 03/29/2005 |
| 6840484 | Gas cylinder Disclosed is a gas cylinder including: a spindle at least having a flange washer of a cavity shape having a region D1 and a region D2 whose inner diameters are different; a piston inserted to the open inside of the spindle; a piston rod whose one end i... | 01/11/2005 |
| 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 |
| 6761339 | Leg part for a barber or beauty chair According to a conventional hydraulic-pump-type barber or beauty chair having legs which spread out, radiately and in parallel to a floor surface, from the lower part of a pump, a seat part itself is large and heavy, which results in a high center of gravity. Thus, ... | 07/13/2004 |
| 6755473 | Fluid control system for an office furniture device A chair, or other office furniture device, includes a first and second support member. The first support member has a longitudinal extent and a fluid passageway formed within at least a portion thereof. A first piston, having a first and second end, is moveably disp... | 06/29/2004 |
| 6752459 | Adjustable chair An adjustable work chair such as an office chair has a height-adjustable seat comprising a front seat part (2) and a rear seat part (3) connected by a hinge (4) that extends transversely of the seat. A first arm (15) is coupled between th... | 06/22/2004 |
| 6726276 | Synergistic body positioning and dynamic support system A body-mimicking system ergonomically integrates a user with a work station while promoting active sitting and proactive positioning. Particularly, cooperative structures are provided to timely promote healthy and productive postures in task seating operations throu... | 04/27/2004 |
| 6726279 | Hydraulic controls for ambulatory care chair A chair for supporting a patient includes a base frame including a staging frame and a lower frame. The staging frame is mounted for vertical movement relative to the lower frame. An intermediate frame is coupled to the base frame for pivoting movement relative to t... | 04/27/2004 |
| 6702372 | Synergistic body positioning and dynamic support system The operator adjustable workstation facilitates adjustments ranging from a seated work level to a standing work level with an infinite number of health posture arrangements and work surface levels in between. Two trigger controlled height and angle adjust... | 03/09/2004 |
| 6692077 | Height adjustment chair control A chair height adjustment mechanism includes a lever positioned to overlay a valve opening member of a height adjusting cylinder. The lever may be depressed by a cam on a control arm when the control arm is rotated. The depressed lever then depresses the ... | 02/17/2004 |