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Patent No. 6295668

Maternity Beach Chair

A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.

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Class 188/312 - Having piston rod extending through ends of chamber


Subclass of Class 188 - Brakes
Definition: Device wherein said container is an elongated cylinder having
No. of patents: 95
Last issue date: 05/22/2012


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NumberTitleIssue Date
8181756Shock absorber
A shock absorber is attached coaxially with a reciprocating rod driven by a reciprocating unit to prevent a bending moment from being applied to the reciprocating rod in absorbing an impact force. The shock absorber has a hollow rod and an outer cylindrical body mou...
05/22/2012
8087500Vibrational energy absorbing apparatus
A vibrational energy absorbing apparatus 1 includes: a reciprocating member 2 which is reciprocatable in H directions between positive and negative maximum displacement positions D±max with respect to an origin position O; a damping-force generating m...
01/03/2012
7575110Built-in damper type front fork
A both-side rod type damper (11) is arranged in a storage chamber (40) formed inside an inner tube (2) and an outer tube (3), rods (31) and (32) of the damper (11) are coupled so as to move by the same quantity in acc...
08/18/2009
7377372Telescopic fork leg
A telescopic fork leg with damping system comprising piston and piston rod arrangements. The arrangements perform longitudinal shift motions in a medium-containing chamber. The chamber is situated in a tubular part belonging to the damping system. The piston rod arr...
05/27/2008
7325660Fluid flow regulation of a vehicle shock absorber/damper
Shock absorber components, such as a radial bypass damper, an anti-cavitation valve (ACV) and an incremental flow metering valve IFMV. The damper is of a continuous, unitary construction with a main hole and auxiliary holes interconnected by passageways. The ACV has...
02/05/2008
7316303Force-controlling mechanical device
A mechanical device for use in the control of mechanical forces. The device comprising first and second terminals which, in use, are connected to components in a system for controlling mechanical forces. These terminals are moveable with respect to one another. The ...
01/08/2008
7314124Vibration damping apparatus
A damping apparatus for damping vibrations in a vibrating system including a piston which is reciprocally movable in a hydraulic fluid filled damper chamber, piston movement in either direction of movement being resisted by fluid pressure in the damper chamber behin...
01/01/2008
7267641Muscle training device
A muscle training device includes a base seat, a first support arm connected pivotally to the base seat, a second support arm connected pivotally to an impeding unit, and two supporting cushions connected respectively to the support arms. The impeding unit has a hou...
09/11/2007
7267199Padded end cap for vehicle lifting hoist arm
A padded end cap made of resilient material for cushioning the end of lifting hoist arms of automotive lifts. One embodiment of this solid body cushioning apparatus (10) contains a plurality of vertical and horizontal attachment surfaces to affix the apparatu...
09/11/2007
7264095Vibration and displacement damper, in particular for cable stays
A vibration and displacement damper includes a plunger piston (10) sliding with a slight clearance inside a guiding cylinder (20). The plunger piston includes over a part of its length a piston ring (12) sliding inside a main chamber (13)...
09/04/2007
7234574Damping coefficient switching-type hydraulic damper
There is disclosed a damping coefficient switching-type hydraulic damper that may automatically switch a damping coefficient without needing supply of energy from the outside at all, and also may always surely exert an energy absorption capacity greater than that of...
06/26/2007
7226878Advanced body armor utilizing shear thickening fluids
An armor composite material has been invented which contains a ballistic fabric which has been impregnated with shear thickening fluid. This invention offers a ballistic resistant material that is more flexible and less bulky than comparable, conventional ballistic ...
06/05/2007
7172257Crawler track tension adjusting device
A crawler track tension adjusting device is provided in which a driving unit having a closed structure carries out automatic tension adjustment in response to a control signal to create optimum tension on a crawler belt. The crawler track tension adjusting device in...
02/06/2007
7143875Attenuation coefficient switching type hydraulic damper
A hydraulic damper used for reducing shaking of a structure, for example in an earthquake. The hydraulic damper has a cylinder, a piston movable in a reciprocating manner within the cylinder, hydraulic chambers at opposite sides of the piston, and a single on-off co...
12/05/2006
7140627Front wheel suspension system for vehicles having a single front wheel
A suspension system for the front wheel of single wheeled vehicles having a single front wheel, such as bicycles, tricycles and motorcycles. The suspension system consists of a frame with a variable arrangement of the steering points using at least one swingable arm...
11/28/2006
7111700Coaxial steering and suspension for motorcycle
A motorcycle or bicycle front end having coaxial steering and suspension components, and having telescopic forks. Swing weight of the forks is dramatically reduced by removing their suspension components to the central location, coaxially within the steering tube. R...
09/26/2006
7070027Magneto-rheological damper
A magneto-rheological (MR) damper including a piston guided in a cylinder that is filled with a magneto-rheological fluid, its work volume being formed oblique relative to the piston axis between the piston and the cylinder. ...
07/04/2006
7017720Front fork
An object of the present invention is to provide a front fork with a double-rod damper, which can improve an efficiency of an assembly operation thereof by simplifying alignment work of piston rods on assembly. To achieve this object, a front fork (30) compri...
03/28/2006
6974143Hydraulic shock absorber for vehicle
In a hydraulic shock absorber for a vehicle in which a slide pipe is slidably provided within a cylinder tube, and a working fluid chamber is provided within the cylinder tube and the slide pipe, a guide bush coated with a polytetrafluoroethylene and an oil seal sea...
12/13/2005
6971493Front fork
This invention provides a front fork that can be efficiently be filled with oil when it is manufactured. To achieve this object, the front fork comprising: an outer tube (1); an inner tube (2) inserted expansibly and contractibly into the outer tube (
12/06/2005
6971492Shock adapter
A shock adapter for converting a one-way shock absorber into a two-way shock absorber comprising a housing having a first slideable member located on one end and a second slideable member located on the opposite end with the housing having a chamber therein for rece...
12/06/2005
6938365Dampening apparatus
A dampening means for a tool, the dampening means controlling pivoting of the tool with respect to a support means of a support structure. ...
09/06/2005
6926500Fluid inertia drag damper for rotary wing aircraft rotor
A drag damper for use on a rotary-wing aircraft rotor comprises a body defining two variable volume chambers linked by a piston. The chambers filled with fluid in the damper are connected by a restrictor port in the piston or between the latter and the body, and via...
08/09/2005
6918466Lockable brake pedal fastener
An improved brake pedal fastener adapted for use with a tandem-type braking system is disclosed. In one embodiment, the brake pedal fastener can be selectively locked against and removed from varying sized brake pedals in a quick and easy manner. ...
07/19/2005
6824154Telescoping suspension fork having a quick release wheel axle clamp
A telescoping fork for the front wheel of a two wheel vehicle comprises a pair of outer tubes that each have a bottom end and a top end. An upper structural member and a lower structural member connect the outer tubes. Further, each outer tube tapers outwardly, both...
11/30/2004
6789652Resilient leg
A resilient leg as part of an attachment for the wheel of a motor vehicle. The leg is provided with a piston rod (4) that has a piston (5) attached to it, that travels into and out of a housing (1), that is attached at its outer end to the vehic...
09/14/2004
6736245Dampening cylinder incorporating stop valve
A dampening cylinder is provided. The dampening cylinder includes a cylindrical housing defining a cavity for receiving a fluid therein. A piston slidably extends through the cavity in the housing and includes a flange projecting radially therefrom. The flange is po...
05/18/2004
6454206Vibration damping apparatus
A damping apparatus for damping vibrations in a vibrating system including a piston which is reciprocally movable in a fluid filled chamber, piston movement in either direction of movement being resisted by fluid pressure in the chamber behind the piston,...
09/24/2002
6386311Limited independent steering device
A device and method for transferring steering responsibility from a first electro-mechanical actuator to a second electro-mechanical actuator comprises a cylinder and a first piston slideably disposed within the cylinder. A second piston is slideably disp...
05/14/2002
6371263Vehicle and vehicle suspension
A vehicle and vehicle suspension including a number of shock chambers to provide different levels of incrementally increasing shock absorption/cushioning. The suspension includes a shock tube having a first end and a second end; a first member telescopica...
04/16/2002
6357734Suspension damper with vehicle spring preload
A monotube damper and suspension spring assembly for a motor vehicle includes a tubular housing defining a chamber filled with damping fluid. A piston and piston rod reciprocate within the chamber. In order to compensate for volumetric changes of the cham...
03/19/2002
6352143Vibration damping system using a hydraulic damper with a field responsive fluid control
A vibration damping system for absorbing shock loads includes a hydraulic damper containing a piston slidably reciprocating within an oil filled chamber and dividing the chamber into a pair of subchambers. A hydraulic motor is in fluid communication with ...
03/05/2002
6244609Front wheel suspension fork for two wheeled vehicles and method
The present invention is a motorcycle suspension fork that combines a presently available conventional suspension with a presently available inverted suspension. The suspension of the present invention has two telescoping segments, with each segment capab...
06/12/2001
6219946Power shovel with dipper door snubber and/or closure assembly
Power shovels include a dipper door which must be held shut to retain a load of material within a dipper and which must be allowed to open to discharge the load of material from the dipper. Such dipper doors are extremely heavy and, as a result, the openi...
04/24/2001
6216831Frictionless hydraulic damper and damper-snubber
A damper including a cylinder, opposite end walls in the cylinder, an elongated shaft mounted for axial movement in seals in the end walls, a piston head on the shaft between the end walls, fluid-tight bellows mounted in sealed relationship between the sh...
04/17/2001
6196528Spacecraft antenna vibration control damper
A vibration control system is provided for an appendage such as an antenna 10 coupled to a platform such as a spacecraft 12. The antenna 10 is coupled at a base 14 so as to extend from the spacecraft 12. A plurality of guidelines 20 extend between remote ...
03/06/2001
6024370Damping cartridge for high performance suspension systems
A damping system having a lightweight, low-cost, thin-walled cartridge body sealed on both ends by mechanically deforming the cartridge body wall into sealing elements that seal the ends of the cartridge body. Preferably, the cartridge body wall is roll c...
02/15/2000
5984058Cushioned braking system for a monorail trolley
A cushioned braking system for cushioning the impact of a moving vehicle for amusement for children is disclosed. The braking system comprises a double ended air cylinder having a first cylinder end and a second cylinder end. A first head member and a sec...
11/16/1999
5947240Load vibration isolation apparatus
A damping mounting structure for use between two members for isolating motion changes which incorporates a plurality of dampers connected between the two members in a closed geometric shape and which uses cross connections between the dampers located on o...
09/07/1999
5918865Load isolator apparatus
A damping mounting structure for use between two members for isolating motion changes which incorporates a plurality of dampers connected between the two members in a closed geometric shape and which uses cross connections between the dampers located on o...
07/06/1999
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