Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
PatentStorm News
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 |
| 7438164 | Solenoid actuated continuously variable servo valve for adjusting damping in shock absorbers and struts A shock absorber includes a pressure tube with a piston slidably disposed therein. A separate valve includes a fluid circuit for fluid low in rebound and a fluid circuit for fluid flow in compression. Each fluid circuit includes a variable orifice which allows selec... | 10/21/2008 |
| 7367086 | String type air damper A string type air damper includes a cylinder formed in a tubular shape, defining a guide hole at one end portion thereof, a piston, which moves in the cylinder, a helical spring for biasing the piston toward the other end portion of the cylinder, and a string member... | 05/06/2008 |
| 7347308 | Damper A damper includes a piston with an orifice communicating in an axial direction and dividing a cylinder into two portions in the axial direction, and provides a braking force by resistance of a viscous fluid passing through the orifice when the piston moves inside th... | 03/25/2008 |
| 7337885 | Telescoping cylinder A telescoping fluid cylinder having an inner rod and outer rod moving between extended and retracted positions. A first piston and second piston move the outer rod and inner rod through the cylinder in which a valve of the first piston provides for independent movem... | 03/04/2008 |
| 7320388 | Stroke dependent damping A two-stage shock absorber has a pressure tube within which a valve assembly is slidably disposed. A piston rod is attached to the valve assembly and extends out of the pressure tube. A ring is slidably disposed within the pressure tube and engages the valve assembl... | 01/22/2008 |
| 7293634 | Hydraulic vehicle shock absorber A hydraulic shock absorber comprises a cylindrical chamber (3), which is closed at one end and in which is axially slidably guided a piston member 85), supported by a piston rod (8) and at its peripheral surface carrying a surrounding non-slotte... | 11/13/2007 |
| 7293633 | Controlled damper assembly with isolated electrical connection A controlled damper assembly includes a controlled-damper-assembly piston, a controlled-damper-assembly piston rod attached to the piston, an insulated wire, and an electrical connector. The insulated wire is positioned in the piston rod, has a first end operatively... | 11/13/2007 |
| 7270222 | Externally adjustable internal bypass shock absorber A shock absorber that combines both the suspension function and the shock absorbing function in one unit. It has an elongated shock body filled with hydraulic fluid and a piston mounted on a piston rod that reciprocally travels within the shock body. The shock body ... | 09/18/2007 |
| 7201260 | Subassembly for the amplitude-dependent absorption of shock A subassembly for the amplitude-dependent absorption of shock, especially in a dashpot for a motor vehicle with a piston and an oscillating piston rod. The piston (3) is accommodated in a housing (2), partitioning the housing into two compartments (... | 04/10/2007 |
| 7194785 | Buffer bar fastening structure A buffer bar fastening structure for fastening a buffer bar to a hinge of a cabinet door includes a barrel which has flanges on two ends to couple with arched portions at two ends of a latch member to couple the buffer bar on the barrel in a turnable manner. The lat... | 03/27/2007 |
| 7191877 | Fluid 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... | 03/20/2007 |
| 7175008 | High-resistance decelerating device, particularly for insertion between two members in relative motion A decelerating device includes a casing defining internally a chamber filled with a viscous fluid, e.g. silicone oil; and a movable member fitted in fluidtight manner to the casing, so as to be housed at least partly inside the chamber and immersed in the viscous fl... | 02/13/2007 |
| 7172058 | Vibration damper with amplitude-dependent damping force Vibration damper with amplitude-dependent damping force includes a cylinder, in which a piston rod, carrying a piston, is guided with freedom of axial movement, where the piston divides the cylinder into a working space on the piston rod side and a working space on ... | 02/06/2007 |
| 7172057 | Vibration damper with amplitude-dependent damping force Vibration damper comprising a piston rod, which is guided with freedom of axial movement in a damping medium-filled cylinder and which carries a piston, which divides the cylinder into two working spaces. At least one of the two working spaces has a flow connection ... | 02/06/2007 |
| 7125028 | Lower arm assembly of a vehicle A lower arm assembly comprises a lower arm, a front fluid-filled bushing, a rear fluid-filled bushing, and a fluid transferring pipe extending between the bushings. Each of the front and rear bushings has an outer pipe, an inner pipe, and a shock absorbing member. A... | 10/24/2006 |
| 7070028 | Frequency dependent damper A gas shock absorber has a pressure tube which defines a working chamber. A piston divides the working chamber into an upper working chamber and a lower working chamber. A flow path extends through the piston to provide fluid communication between the upper and lowe... | 07/04/2006 |
| 7063343 | Front fork damper for bicycle Disclosed is a front fork damper installed in a bicycle front fork formed of a fork pipe, a bottom case coupled and axially movable relative to the bottom case, and a hydraulic fluid filled in between the bottom case and the fork pipe. The front fork damper is joine... | 06/20/2006 |
| 7044219 | Shock absorber A shock absorbing tool for use in pipelines and oil wells, particularly in combination with perforation guns comprises a central mass supported on two springs between the end terminal members. The shock wave is absorbed in the free oscillation of the mass. The mass ... | 05/16/2006 |
| 7000907 | Spring system for bicycles The present invention relates to a spring system for bicycles having a first load-applying segment and a second load-applying segment as well as at least one positive spring and at least one negative spring arranged to be effectively operable between the first and t... | 02/21/2006 |
| 6981578 | Non-pressurized monotube shock absorber A shock absorber of a monotube type utilizes a mechanically fixed base valve to regulate oil flow between the compression and compensation chambers, and a compressible bladder in the compensation chamber to allow volume compensation, which, together, eliminate the n... | 01/03/2006 |
| 6974143 | Hydraulic 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 |
| 6427986 | Air suspension apparatus An air chamber (53) of a damping force adjusting mechanism (49) disposed in a hydraulic shock absorber (3) of a damping force adjusting type communicates with an air chamber (7) of an air spring through a tubular path (57). A free piston (51) is transferr... | 08/06/2002 |
| 6412615 | Hydraulic shock absorber for motor vehicles A hydraulic shock absorber for motor vehicles produces additional damping, starting at a certain immersion depth of the piston rod. This takes place by an auxiliary cylinder positioned axially inside the cylinder which, when the piston rod is immersed, is... | 07/02/2002 |
| 6412614 | Downhole shock absorber A shock absorber for damping shock energy generated by downhole perforating guns or stimulation devices is described. The shock absorber includes a spring assembly including at least a first spring and a second spring, the first spring having a tension gr... | 07/02/2002 |
| 6412606 | Damper/positioning structure A damper includes a barrel axially slidably mounted on a shaft, an elastic ring mounted inside the barrel around the shaft, arched pressure blocks mounted abutted against one another inside the elastic ring around the shaft, each arched pressure block hav... | 07/02/2002 |
| 6390257 | Suspension damper having piston plate with coined, continuously curved bypass A suspension damper or shock absorber for a vehicle suspension system includes a piston assembly across which damping fluid is metered to control relative movement between the vehicle body and chassis. The piston assembly includes a piston plate in which ... | 05/21/2002 |
| 6390457 | Soft-start, soft-return gas spring A gas spring includes an outer tube; a base plate; a head plate; an inner tube mounted to extend between the head plate and the base plate; a piston/rod assembly mounted to reciprocate vertically in the inner tube between a retracted, compressed position ... | 05/21/2002 |
| 6382373 | Frequency dependant damper A gas shock absorber has a pressure tube which defines a working chamber. A piston divides the working chamber into an upper working chamber and a lower working chamber. A series of extension passages extend through the piston and are opened and closed by... | 05/07/2002 |
| 6374966 | Shock absorber assembly The housing of a shock absorber is constructed to include an inner chamber surrounded by an outer chamber. The inner chamber is divided by the piston to which the piston rod is connected into two portions. One of these portion has a number of orifices tha... | 04/23/2002 |
| 6360857 | Damping adjuster for shock absorber A shock absorber comprises an adjustment component movable in two degrees of freedom. When the adjustment component is adjusted within one of its degrees of freedom of movement, a characteristic, such as the compression damping, is adjusted and when the a... | 03/26/2002 |
| 6352145 | Stroke dependent damping A two-stage shock absorber has a pressure tube within which a valve assembly is slidably disposed. A piston rod is attached to the valve assembly and extends out of the pressure tube. A ring is slidably disposed within the pressure tube and engages the va... | 03/05/2002 |
| 6298959 | Motion-damping arrangement, in particular for motor vehicles A motion-restraining arrangement is described, which has a motion restrainer, which has a housing that is essentially stationary. It includes a restraining device, and a connecting member movable relative to the housing. The housing can be connected to a ... | 10/09/2001 |
| 6206152 | Vibration damper with variable damping force A vibration damper with variable damping force, including a cylinder, in which a piston with a piston rod is arranged in axially movable fashion, whereby an adjustable damping valve is activated in dependence on the deflection distance and the activation ... | 03/27/2001 |
| 6182575 | Adjustable stop-wagon retarders with locking function for wagons at high speed and disposal methods thereof The invention relates to adjustable stop-wagon retarders with locking function for wagons at high speed and disposal methods thereof, which are suitable for railway marshaling yards or rail lines where it is required to prevent wagons from running away, w... | 02/06/2001 |
| 6129343 | Gas spring with speed regulation A gas spring comprising a cylindrical body in which a main piston is slidable and carries a piston rod extending in sealed manner outwardly of the cylinder. The main piston includes a bore connecting with a labyrinthine passageway. The interior of the cyl... | 10/10/2000 |
| 5957252 | Hydraulic suspension unit An improved hydraulic suspension unit has a springing force and rebound damping which are related to one another so as to allow certain wheel movements to occour without the resistance of rebound damping. A primary springing force provided by a pressurize... | 09/28/1999 |
| 5927448 | Shock absorber A shock absorber capable of exhibiting increased shock absorbing characteristics and constantly ensuring desired characteristics irrespective of applications intended. A cylinder is formed therein with a first hollow section of a large diameter and a seco... | 07/27/1999 |
| 5890568 | Continuously variable twin-tube shock damper A twin-tube shock damper has a hollow piston rod (5) which extends towards the top of the working cylinder (1), a baseplate (8) which closes off the working cylinder and a disc (7) which is arranged inside the working cylinder between the piston (4) and t... | 04/06/1999 |
| 5845749 | Linear motion absorber with synthetic components A linear motion absorber for damping linear movement utilizing a cylinder having a reciprocal piston located therein. The cylinder and piston are molded of synthetic plastic and the piston is of an extended length and a diameter slightly less than the inn... | 12/08/1998 |
| 5781873 | Apparatus and method for controlling damping force characteristic of vehicular suspension system In apparatus and method for controlling a damping force characteristic for a vehicular suspension system, a control force (F) based on an ideal Sky Hook theory is generated even when a low responsive characteristic and less expensive actuator such as a st... | 07/14/1998 |
