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Class 248/631 - Fluid spring


Subclass of Class 248 - Supports
Definition: Structure wherein the resilient material comprises an elastic
No. of patents: 184
Last issue date: 03/03/2009


1          
NumberTitleIssue Date
7497413Object support post
The invention pertains to an object support post with a vertical tube, which has a support plate at one end and a guide bush at the other end, in which a pneumatic spring is guided with freedom to slide back and forth. The pneumatic spring has a pressure cylinder, t...
03/03/2009
7467774Adjustable-height chair column
An adjustable-height chair column comprises an upright tube and a gas spring that is disposed coaxially in the upright tube. The gas spring comprises a valve for actuation of the gas spring. This valve is embodied for opening upon relief of the casing of the gas spr...
12/23/2008
7431261Pneumatic suspension apparatus for a vehicle seat
The pneumatic suspension apparatus 3 includes at least one pneumatic bag 4 for being attached with a vehicle between the vehicle frame and the vehicle seat for restricting the vehicle seat laterally and dampening vibrations; a regulator 6 pneuma...
10/07/2008
7336009Hobby servo enhancements
An independent and modular apparatus is disclosed for extending the operational capacity of a servo motor. The apparatus includes a frame member having a servo motor and a rotatable shaft mounted therein. The output shaft of the servo motor and the rotatable shaft a...
02/26/2008
7306192Height-adjustable column
A height-adjustable chair column includes a vertical post axially extending along a longitudinal axis, a bottom plate, a guide cylinder bushing permanently inserted into the upper end area of the vertical post, and a guide tube inserted in the guide cylinder bushing...
12/11/2007
7290744Break-away basketball goal system
A breakaway basketball goal system is provided for absorbing shocks during playing conditions. In embodiments of the invention, the basketball goal system includes a base, a neck movably coupled to the base, a backboard attached to a distal end of the neck, and a sh...
11/06/2007
7285884Hobby servo attachment mechanisms
An apparatus for extending the operational capacity of a servo motor is disclosed. The apparatus includes a frame member. A first aperture is defined within the frame member and is configured to support a servo motor. A servo motor is positioned within the first ape...
10/23/2007
7273253Chair ride mechanism with tension assembly
A task chair, including a backrest assembly and a seat assembly pivotally coupled both to one another and to side portions of a fixed yoke member for synchronized movement, in which the seat of the seat assembly moves upwardly and forwardly concurrently with recline...
09/25/2007
7255355Portable 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
7232103Load-bearing pressurized liquid column
A load-bearing, pressurized-fluid column apparatus and method for supporting a load or mine ceiling with respect to a support surface or mine floor includes an elongated, flexible sleeve and bladder retain a substantially incompressible liquid. The sleeve and bladde...
06/19/2007
7195215Suspension 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
7188819Object-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
7182323Arrangement 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
7134634Column unit
The present invention relates to a column unit which connects a chair sheet to a base in which a wheel is installed. The present invention provides a column unit which comprises a base tube having a lower end portion vertically fixed to a base of a chair and having ...
11/14/2006
7083180Adjustable bicycle seat assemblies and methods of use
Adjustable height bicycle seat mounting assemblies, bikes using such assemblies, and methods of use are provided. One such adjustable height bicycle seat mounting assembly includes first and second tubes in telescoping arrangement. The first tube is adapted to be co...
08/01/2006
7077250Viscous damper for machinery mounting
A viscous damper for a machinery mount having a damping member disposed intermediate a top support engageable with at least a portion of a load and a bottom plate disposed beneath the support and spaced therefrom to thereby decrease or deaden vibrations. The damper ...
07/18/2006
7059592Gas 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
7025367Adjustable 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
7017872Height adjustable boat seat pedestal
A pedestal assembly for supporting a seat including a first cylinder having an inner surface with a plurality of longitudinally-extending channels, and a second cylinder having an inner surface with a plurality of longitudinally-extending channels and an outer surfa...
03/28/2006
7014264Folding 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
6964411Column unit
A column unit includes a fixed upright tube with a bottom upright-tube end and a top upright-tube end and a telescopic tube axially displaceably guided in the upright tube. A cylinder of a pneumatic spring is axially displaceably guided in the telescopic tube. A pis...
11/15/2005
6953109Vibration isolator with low lateral stiffness
A vibration isolator (200) for isolating a first assembly (202) from vibration from a second assembly (204) includes a housing (206) that is secured to the second assembly (204) and a pendulum assembly (208). The pendulum as...
10/11/2005
6935157Anti-bob system for cycles
A control system is operable to selectably activate shock damping devices associated with a bicycle so as to eliminate bobbing encountered under extreme pedaling conditions. The system includes a crank axle torque detector which operates to detect a level of torque ...
08/30/2005
6874432Vertically adjustable table
An adjustable height table includes a base frame, a slider frame assembly, a generally planar support surface and a lifting mechanism. The main portion of the base frame is formed by welding three tubular components to form an H-shape. Each of the end portions of th...
04/05/2005
6866238Furniture pillar
A furniture pillar includes an upright tube and a guide bushing which is inserted into one end of the upright tube and has an inner circumferential surface which is a guide for a supporting tube of the furniture pillar. The guide bushing has a radially inner guide t...
03/15/2005
6840484Gas 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
6817582Pneumatic extensible anchoring rack
A pneumatic extensible anchoring rack consists of an outer tube, an inner tube, a lid and an air cylinder. The outer tube is a hollow tubular member. The lid is located above the outer tube. The air cylinder is an extensible tubular member located in a hollow space ...
11/16/2004
6619611Pneumatic vibration isolator utilizing an elastomeric element for isolation and attenuation of horizontal vibration
A vibration isolator that has an elastomer which couples a support plate to a piston. The elastomer can provide horizontal damping of a payload that is coupled to the support plate. The piston can move within a first housing inner chamber that is in fluid...
09/16/2003
6616116Pneumatic 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
6585214Extended travel lift mechanism for a flat panel display
An extended travel lift system including a support frame and a display device frame. First and second arms are connected at first ends thereof by a hinge connector. A second end of the first arm is pivotally attached to a first slide mechanism on the supp...
07/01/2003
6547225Pneumatic isolator with barometric insensitivity
A pneumatic isolator for isolating payloads from vibrations consisting of a vertical isolator suspended from pendulum wires. A second downward-facing piston prevents changes in barometric pressure from generating disturbing forces on the isolated payload....
04/15/2003
6533230One-piece mounting bracket and vehicle damper assembly and mounting method
The invention provides a one-piece mounting bracket for mounting a vehicle damper assembly to a knuckle, a vehicle damper assembly, and a method for mounting a vehicle damper assembly to a knuckle. The one-piece mounting bracket includes a body having fir...
03/18/2003
6494422Length adjustable column with axial bearing, and method of installation of the axial bearing
A length-adjustable column for chairs or the like comprises an upright tube with a longitudinal axis and a piston-and-cylinder unit radially supported and displaceably guided in the direction of the longitudinal axis. A lengthwise end of the piston-and-cy...
12/17/2002
6474619Tube guide for a column unit
The present invention relates to a tube guide for a column unit, and more particularly to a tube guide for a column unit which can smoothly move a spindle upward and downward by forming a plurality of ribs on the inside surface of the tube guide which gui...
11/05/2002
6471178Device for adjusting the length of a support and method for producing same
The invention relates to a device comprising a substantially tubular inner part (10) and a fluid-impermeable piston (4) stored therein. The base (41) of the piston (4) and a seal (70) form a unit....
10/29/2002
6439662Spindle for a height regulating device
A spindle base which constitutes a height regulating device of a chair, and it is an object of the present invention to improve the corrosion resistance, the abrasion resistance, the fatigue strength, and the reverse bending stress of the spindle body by ...
08/27/2002
6361110Tilt 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
6343556Vertically adjustable table
An adjustable height table includes a base frame, a slider frame assembly, a generally planar support surface and a lifting mechanism. The main portion of the base frame is formed by welding three tubular components to form an H-shape. Each of the end por...
02/05/2002
6296221Universal seat suspension system
A seat suspension system having a seat cradle, a seat mounted in the seat cradle and an anchor body having a plain rectangular box-like shape disposed behind the backrest portion of the seat. A pair of spaced-apart plain parallel anchor plates encloses th...
10/02/2001
6276756Height adjusting assembly for a chair
A height adjusting assembly for chairs. The assembly includes a first member having a taper holder positioned near an opening/closing pin and a taper arm engaged with the taper holder so as to push the opening/closing pin. A second member having a case, a...
08/21/2001
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