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| Number | Title | Issue Date |
| 8182038 | Vehicle seat having a device for controlling a pneumatic suspension system A vehicle seat having a device for controlling a pneumatic suspension system, by means of which the vehicle seat is spring-mounted relative to a vehicle body part, including at least one directional-control valve which is pneumatically connected to the device for co... | 05/22/2012 |
| 8025336 | Dental chair A dental chair for supporting a patient during examination and the performance of procedures on the patient includes a patient support having a seat and a back, a base adapted to engage a floor surface, and a lift arm. The lift arm has a first end pivotally coupled ... | 09/27/2011 |
| 7810884 | Vehicle seat with slide valve The invention relates to a vehicle seat with a height-adjustable seat frame which comprises at least two seat frame parts which can move relative to one another and at least one fluid spring, in particular an air spring, arranged on the seat frame parts for height a... | 10/12/2010 |
| 7712836 | Vehicle seat comprising a height-adjustable seat frame A vehicle seat includes a height-adjustable seat frame which has at least two seat frame parts which can be moved relative to one another and at least one gas spring arranged between the seat frame parts for height adjustment purposes. The seat includes a control de... | 05/11/2010 |
| 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 |
| 7390062 | Seat having cushion height and recline adjustment mechanisms A seat includes a base portion and an upright portion pivotable with respect to the base portion. The seat includes a reclining mechanism that includes first and second toothed members that are selectively engaged and disengaged to resist and permit, respectively, t... | 06/24/2008 |
| 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 |
| 7246836 | Seat having suspension system A suspension system for an “All Belts To Seat” or “ABTS” style seat is provided that includes a floor bracket, seat bracket, and an equalizing bracket. Means for allowing motion between the seat bracket and floor bracket is provided by a set of cams. The equ... | 07/24/2007 |
| 7234779 | Armrest with height adjustment mechanism An armrest includes an armrest support and a subassembly supported thereon for vertical adjustment by a height adjustment device having a rotatable high-lead-angle threaded shaft, a mating nut, and a trigger. The shaft member is rotatable upon a vertical force being... | 06/26/2007 |
| 7222832 | Support mechanism A support mechanism comprises a base member, first and second support arms, first and second synchronizing arms, and a load-supporting platform. The first support arm is connected to a pivot bracket and the based member in a manner to permit pivoting movement of the... | 05/29/2007 |
| 7152839 | Vehicle seating system with improved vibration isolation A vehicle seating system includes a top frame for mounting to a vehicle seat. A bottom frame is provided for mounting to the vehicle and a middle frame or linking system movably mounts the top frame to the bottom frame. The middle frame includes two pair of scissor ... | 12/26/2006 |
| 7140684 | Seat, particularly a vehicle seat, preferably in an aeroplane A seat includes at least one inclinably adjustable seat component, such as a seat section (12), whose seat frame structure can be disposed on a floor structure (24) in such a way that the seating section is pivotable around its stationary legs (22 | 11/28/2006 |
| 7134721 | Vehicle seat with dual independently adjustable supports A vehicle seat, which provides an enhanced level of comfort, by the use of dual independently supported seat cushions is disclosed. The apparatus comprises an inner seat cushion and an outer seat cushion, each of which is independently supported by a compressed air ... | 11/14/2006 |
| 7124851 | Seat mounting structure for mitigating injury in side impacts A seat mounting structure is disclosed for reducing injury to vehicle occupants in side impact collisions. The seat mounting structure may include an inflation module, a linkage system, a sensor system, and a side airbag. The inflation module may include an inflatab... | 10/24/2006 |
| 7055840 | Lift wheelchair A wheelchair that enables its occupant to lower and raise their self to and from the surface on which the wheelchair is resting so that the occupant may enter the wheelchair from the surface without the aid of another person, the wheelchair a lower support frame, a ... | 06/06/2006 |
| 7000988 | Lift chair A chair is operable between a seating position and a rise-assist position. The chair comprises a base; first and second legs; a seat pivotally connected to the first and second legs; and a back pivotally connected to the seat. The chair further comprises first and s... | 02/21/2006 |
| 6814409 | Hydraulic drive system A hydraulic drive and fluid control system for a mechanism having at least two fluid actuated cylinder includes a bi-directional motor/gear pump. A monolithic block manifold has intersecting bores formed therein in which valving and control mechanism for the fluid c... | 11/09/2004 |
| 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 |
| 6739660 | Motorized remote controlled reclining child safety car seat A motor and reversible drive move a child safety seat between a sitting and reclining position on a base secured by a vehicle safety belt. A drive shaft and gear system, double action winch and cord system, hydraulic drive, screw drive, or other drive system positio... | 05/25/2004 |
| 6609760 | Chair control actuator with depiction A chair control actuator, such as a chair control paddle, is provided with a surface relief. The surface relief depicts a chair in two different positions illustrative of different chair positions which may result from use of said actuator. The surface re... | 08/26/2003 |
| 6371456 | Seat suspension system A seat suspension system includes a vibration dampener adapted to operate over less than the full range over which a seat may be raised and lowered by a seat height adjuster, such as an air spring. The dampener may apply dampening forces which vary non-li... | 04/16/2002 |
| 6361110 | Tilt control for chair A tilt control mechanism for an office chair includes a spring arrangement which permits forward and rearward tilting of the chair while also urging the chair to a normal upright position. The spring arrangement includes front and rear springs which act i... | 03/26/2002 |
| 6340152 | Seat suspension vibration damper A vibration damper module is described with a first member adapted for coupling to one of the vehicle and seat, and a shock absorber adapted to be coupled to the other of the vehicle and seat. The first member may take the form of a housing within which t... | 01/22/2002 |
| 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 |
| 6286819 | Vibration damper with latch A vibration damper for a seat suspension system is disclosed with a shock absorber which dampens seat vibrations when the shock absorber is coupled to the seat suspension system. The shock absorber includes a dampening cylinder housing with a dampening pi... | 09/11/2001 |
| 6155642 | Barber/beauty chair The present invention provides a barber/beauty chair which can freely set the lowest position and a movable area of an ascendable/descendable seat part as well as hoist and lower the seat part horizontally without displacement of the center position of th... | 12/05/2000 |
| 6113188 | Portable seating assist device A portable device is provided for assisting persons with the acts of sitting down and rising from a seated position. The device comprises a base a seat, an inflatable air chamber and a battery powered air compressor. The air chamber, the compressor and th... | 09/05/2000 |
| 6053576 | Bank of seats for amusement ride A bank of seats for use in an amusement type environment has at least two seats arranged in side-by-side orientation with all seats facing in the same direction. The bank of seats has a substantially planar platform and upstanding, forward support arms at... | 04/25/2000 |
| 5678889 | Moveable theater seats A modular assembly of theater seats aligned in a row. Each of the seats in the row moves with an identical motion in response to a coordinated sequence to create seat motions which can complement a scene being protrayed on a movie screen. Three or more ro... | 10/21/1997 |
| 5651585 | Knee action suspension seat A seat including a base; a housing vertically movable relative to the base; a pivot arm assembly pivotally movable relative to the housing between upwardly and downwardly pivoted positions; a seat cushion bracket movable relative to the housing in respons... | 07/29/1997 |
| 5630638 | Seat lift mechanism for an automotive vehicle A seat lift mechanism in an automotive vehicle incorporates a swivel base mounted on a stationary base secured to a compartment floor of the vehicle for rotation about a vertical axis so as to be moved between a forward-facing position where the front sid... | 05/20/1997 |
| 5542638 | Base assembly for use with a suspension system of a vehicle seat A base assembly for a suspension system of a vehicle seat utilizes lower and upper support frame and two pairs of elongated arms which are pivotally connected between the upper and lower support frames to accommodate forward and rearward movement (as well... | 08/06/1996 |
| 5490657 | Seat, in particular a vehicle seat Described is a seat (10) having a spring means (36) with which the springing characteristic of the seat (10) can be adjusted as desired. For that purpose a two-armed pivot lever (38) is provided on a back element (34) of the seat (10) at least approximate... | 02/13/1996 |
| 5366274 | Synchronous adjusting device for office chairs or the like A synchronous adjusting device for a chair is provided where the restoring movement of a back part is effected as a function of the weight of the user, a restoring moment occurring with the increase in inclination of the backrest. For this purpose, the ba... | 11/22/1994 |
| 5257851 | Shampoo chair A shampoo chair for positioning its occupant comfortably for a shampoo at a shampoo bowl includes a base which rests on a floor in front of the shampoo bowl and has tracks, a carriage which moves along the tracks of the base, a fluid-operated cylinder whi... | 11/02/1993 |
| 5253922 | Chair adjustable in height providing a weight bearing surface at any height, and having a seat that rotates so as to change its angle of inclination A chair which can support a person in both a seated and standing position includes a tiltable seat the angle of which can be changed with the height of the chair. In a preferred embodiment the uppermost surface of the seat is always horizontal.... | 10/19/1993 |
| 5203610 | Reclining lift chair having wheels for transport A powered reclining lift chair includes a first base member for supporting the chair during the lift mode and a second base member having wheels for selectively transporting the chair from one location to another. The chair is operable through both lift a... | 04/20/1993 |
| 5176355 | Control for height of a seat The housing of an air valve, the valve controlling the height of a vehicle seat supported on a suspension having an air spring, is pivotally connected to one of the frames of the suspension supporting the seat. A manual control lever connected to the hous... | 01/05/1993 |
| 4946145 | Air suspension device for vehicle seat An air suspension device for a vehicle seat which is capable of automatic adjustment of the height of the seat at a given neutral position. In the device, an air spring is adjusted in flow of air thereinto or therefrom via a directional control valve whic... | 08/07/1990 |
| 4913482 | Seat suspension system for automotive vehicle or the like A seat suspension includes a device which is responsive to a sensor which detects the condition of the road surface being traversed by the vehicle in a manner to produce relatively hard suspension characteristics when the vehicle is running on a rough roa... | 04/03/1990 |
