"We are probably nearing the limit of all we can know about astronomy."
Simon Newcomb, astronomer ; 1888
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7568675 | Scissor suspension A scissor suspension includes a first arm having a first end and a second end. The first end may be configured for pivotal attachment to a structure and a first bearing may be pivotally connected proximate to the second end of the first arm. A second arm having a fi... | 08/04/2009 |
| 7364130 | Artificial christmas tree stand An improved artificial Christmas tree stand includes a first unit and a second unit. A fixed piece is provided on a top portion of the first unit, and an upper hole is centrally provided in the fixed piece. A moveable piece is provided on each first and second unit,... | 04/29/2008 |
| 7341310 | Office chair with automated height adjustment An office chair includes a base structure having a pan mounted thereon. A motor driven scissor lift is positioned on the pan that expands and contracts to raise and lower a chair member. A pair of buttons control the motor allowing a user to automatically raise and ... | 03/11/2008 |
| 7255355 | Portable collapsible stand A portable collapsible stand includes first, second, and third support frames, a work surface frame, and a telescoping strut pivotably connected to the first and work surface frames. The second frame projects perpendicularly from a lower portion of the first frame. ... | 08/14/2007 |
| 7246784 | Spring-loaded shelf for a cooler A spring-loaded shelf for an existing beverage cooler, which obviates the need for a user to reach more deeply within the confines of the cooler for a beverage as the contents of the cooler become depleted. The spring-loaded shelf has a base, a platform pivotally at... | 07/24/2007 |
| 7185867 | Vehicle seat suspension and method A vehicle seat suspension that includes a suspension cartridge which houses suspension components that includes one or more of the following: one or more biasing elements, a suspension arm arrangement, a damper arrangement, a height adjust assembly, and a weight adj... | 03/06/2007 |
| 7175219 | Expansion linkage In a preferred embodiment, the present invention provides a vehicle mounting bracket having an adjustable linkage mounting portion. The mounting bracket is fixed to the vehicle and the linkage system, while adjustment bolts on the mounting bracket allow the user to ... | 02/13/2007 |
| 7172250 | Adjustable chassis for chair An adjustable chassis for a chair includes a base member, a support member, and two support levers. Thus, the drive lever of the base member is drawn and moved by the first wire so as adjust the height of the chair seat relative to the adjustable chassis. In additio... | 02/06/2007 |
| 7172251 | Frame structure of seat for vehicle A lifter for adjusting the height of a frame 10, 12, 14 that is to be vertically movably mounted on a vehicle floor is integrally formed with a suspension unit S for absorbing vibration inputted to the frame 10, 12, 14. The suspension unit S includes a... | 02/06/2007 |
| 7156404 | Adjustable height suspension An apparatus for adjusting a height of suspension of a vehicle frame includes a first end of a shock absorber mounted to a suspension arm and a top end of a shock absorber slidably attached to a frame of the vehicle and is movable in a first plane of travel. An adju... | 01/02/2007 |
| 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 |
| 7032874 | Suspension adjusting handle for a suspension system A suspension system for a seat. The suspension system includes a first frame member, a second frame member connectable to the seat and movably coupled to the first frame member, a suspension member coupled to both the first frame member and the second frame member a... | 04/25/2006 |
| 6957853 | Vehicle seating apparatus A vehicle seating apparatus has first and second seat suspensions and a seat assembly. The first seat suspension is located at a first longitudinal location on the vehicle and incorporates a first seat platform having a pair of seat brackets. The second seat suspens... | 10/25/2005 |
| 6935693 | Seat suspension A suspension for a seat that varies the preload, spring rate and damping rate of the suspension in direct proportion to the suspended weight of an occupant of the seat to provide the same effective vibration isolation for any occupant. The suspension includes an act... | 08/30/2005 |
| 6866236 | 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 ... | 03/15/2005 |
| 6616117 | Seat suspension height adjustment apparatus A height adjustable seat suspension having first and second bases connected by a linkage assembly with an air spring and shock disposed between the bases. The shock dampens vertical movement of the bases and the air spring increases in air volume to raise... | 09/09/2003 |
| 6616116 | Pneumatic motor vehicle seat with stabilized static height A pneumatic motor vehicle seat, whose static height is held constant independently of the weight of the respective seat occupant. The inventive device provides a magnetically actuated air valve (16) which is enclosed 20 in a plastic valve housing for aera... | 09/09/2003 |
| 6550740 | Shock absorbing platform A shock absorbing platform includes a bottom plate and a top plate joined to one another at their respective rearward and side peripheral edges by elongate rigid links that enable the plates to remain in parallel relation to one another as the top plate m... | 04/22/2003 |
| 6264163 | Vehicle seat The present invention relates to a vehicle seat, which can normally move between a lower end position and an upper end position. The seat comprises a bellows for cushioning/dampening movements of the seat in a vertical direction and also a belt reel which... | 07/24/2001 |
| 6126132 | Multi-function single motor seat track actuator assembly The preferred embodiment of a multi-functional apparatus employs a single electromagnetic device for selectively actuating at least two seat support movement mechanisms. In another aspect of the present invention, a single electric motor selectively actua... | 10/03/2000 |
| 5957426 | Mechanical seat suspension with multiple position, lift-type height adjuster A mechanical seat suspension between upper and lower supports comprises a scissors arms linkage and a support pivot assembly allowing height adjustment to multiple positions. The pivot assembly carries most of the seat load and comprises a pair of lever a... | 09/28/1999 |
| 5927679 | Adjustable vehicle seat suspension A vehicle seat suspension having a scissors arm linkage disposed between a platform and base with a link pivotally connected at one end to a scissor arm of the linkage at a point spaced from a pivot interconnecting scissor arms of the linkage and operably... | 07/27/1999 |
| 5871198 | Low profile seat suspension A vehicle seat suspension includes a bottom frame adapted to be mounted on the vehicle and a top frame located above the bottom frame and adapted to support a seat thereon. A substantially fully collapsible scissors linkage is interconnected between the b... | 02/16/1999 |
| 5833198 | Mechanically operated lift table A lift table includes a support table assembly mounted on a scissor arm mechanism. The support table assembly is raised and lowered automatically upon the imposition or removal of loads so that the height of the plane on which articles are being handled r... | 11/10/1998 |
| 5794911 | Adjustable vehicle seat suspension A suspension for a vehicle seat having a scissors arm linkage with a load carrying flexible member secured to a spring and in operable contact with a cam-shaped pulley carried by the linkage for producing a suspension of compact structure, which enables s... | 08/18/1998 |
| 5778803 | Adjustable height load bearing support structure A counterbalanced adjustable height load bearing support structure comprises a spring biased arm having a cam surface thereon cooperates with a follower of a vertically movable support assembly supporting a load bearing surface. The cam surface in preferr... | 07/14/1998 |
| 5722331 | Adjustable height load bearing support structure A counterbalanced adjustable height load bearing support structure with a pretensioning mechanism comprises a pair of pivotable arms each having a free end in engagement with a support assembly and being biased by a torsion spring. A lever arm is connecte... | 03/03/1998 |
| 5632209 | Lift table A lift table that consists of a base and a table attached on the right and left by pairs of scissor links. The table is raised through the use of a compression spring. The spring is compressed through the weight of the load on the table, thus creating a l... | 05/27/1997 |
| 5570866 | Seat suspension Disclosed is a shock absorbing suspension system supporting a seat on a floor of a vehicle. The suspension system includes a hydraulic bag filled with a liquid and coupled to support the seat on the floor, the hydraulic bag having a valve orifice. The sus... | 11/05/1996 |
| 5560582 | Foldable stand for threading machine A foldable wheeled stand is provided for supporting a motor driven pipe threading machine during operation thereof and for transporting the machine from one location to another. The stand includes a scissors-type leg assembly having lower ends which engag... | 10/01/1996 |
| 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 |
| 5364060 | Adjustable mechanized seat suspension A seat suspension system for supporting a seat support member on a base member includes support arms which cooperate with a spring suspension so as to suspend loads imposed on the seat. The support arms are connected to one of the seat support member and ... | 11/15/1994 |
| 5346170 | Method and apparatus for adjusting and maintaining the height of a spring-action passenger seat The value of the absolute seat height may be formed from the sum of a first, stationary basic component and a second, quasi-stationary regulation component. The value of the regulation component may be adjusted, independent of the weight of a person resti... | 09/13/1994 |
| 5279490 | Support structure for a seat A support structure for a seat squab includes a scissor support assembly on a base element. The support assembly has two support assembly elements which are not positively connected together but simply bear against each other. One element has one end conn... | 01/18/1994 |
| 5261724 | Sprung seat A sprung seat having an L-shaped base arrangement includes a spring means for adjusting the springing characteristic of the seat as desired. For that purpose the seat has a two-armed pivot lever mounted pivotably about a central horizontal mounting axis o... | 11/16/1993 |
| 5251864 | Suspension device for vehicle seat A suspension device for a vehicle seat, which comprises an upper frame, a lower frame, an X-shaped link interposed between the upper and lower frames, a vertically active elastic element for resiliently supporting the X-shaped link in the vertical directi... | 10/12/1993 |
| 5222709 | Vehicle seat suspension unit A vehicle seat suspension unit has a base frame mountable in a vehicle and seat support frame on which is mounted a vehicle seat. A scissor-arm assembly, with primary links and secondary links, interconnect the frames overlapping cam tracks, with cam prof... | 06/29/1993 |
| 5211369 | Sprung seat frame for a seat A sprung seat frame for a seat comprises a seat plate for carrying for example upholstery and a base plate for mounting the seat for example on a motor vehicle floor. A scissor-type lever assembly comprising first and second levers which cross and are piv... | 05/18/1993 |
| 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 |
| 5082218 | Container stand A supporting device which attaches to a wide variety of containers and exhibits a first, unobtrusive position for storing or transporting a container and a second, supporting position for holding the container in an upright orientation is disclosed. A bra... | 01/21/1992 |