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| Number | Title | Issue Date |
| 8413774 | Shock absorber The flow of hydraulic fluid induced by sliding movement of a piston in a cylinder is controlled by a pilot-type main valve and a pilot valve to generate damping force. The valve opening of the main valve is controlled by adjusting the pressure in a pilot chamber thr... | 04/09/2013 |
| 8322499 | Damping valve for a hydraulic shock absorber The invention relates to a flow-control valve (1) for a hydraulic shock absorber. Components of the basic structure of the flow-control valve (I) are an axially movable slide (5) having a body (6) and a valve sleeve (7), an electromagneti... | 12/04/2012 |
| 8220604 | Damping force variable valve and shock absorber including the same A damping force variable valve includes a retainer having a main body connected at a central portion thereof to a high pressure part or portion of a shock absorber and having an outer peripheral region enlarging outwardly, and a spool rod integrally extending from t... | 07/17/2012 |
| 8181757 | Adjustable damping valve with a fail-safe damping force characteristic An adjustable damping valve including an actuator, which exerts an actuating force on a valve body against the force of a spring to influence the throttle cross section which determines the damping force, where an emergency valve is connected in parallel with the th... | 05/22/2012 |
| 8033368 | Bicycle fork having lock-out, blow-off, and adjustable blow-off threshold A bicycle fork includes a pair of fork leg assemblies, each of the leg assemblies having an upper leg telescopingly engaged with a lower leg. A damping assembly is provided in at least one of the legs. The damping assembly includes lock-out and blow-off compression ... | 10/11/2011 |
| 7743896 | Shock absorber having a continuously variable semi-active valve A shock absorber includes an external valve which controls the damping characteristics of the shock absorber. The external valve controls the flow of fluid between the lower working chamber of the shock absorber and the reservoir chamber and between the upper workin... | 06/29/2010 |
| 7703586 | Four-piece piston A shock absorber piston has an upper half, a lower half and a tuning disc disposed between the upper and lower halves. The design for the openings in the tuning disc can be selected to individually tune the high and low speed damping characteristics in both compress... | 04/27/2010 |
| 7699148 | Damping valve assembly with a progressive damping force characteristic Damping valve assembly includes a first damping valve, which, in a first operating range, opens as the flow velocity of the damping medium increases, where a second operating range with a progressive damping force characteristic is influenced by a throttle in conjun... | 04/20/2010 |
| 7628259 | 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... | 12/08/2009 |
| 7469776 | Rotation damper with valve A rotation damper for a vehicle that runs on rails, having piston and cylinder parts moving with respect to one another. This damper has a friction characteristics, that is to say the fluid connection over the piston is not a permanently open hole but exclusively co... | 12/30/2008 |
| 7387598 | Multifunctional portable pneumatic exercise device The multifunctional portable pneumatic exercise device is a muscular exercise and training device that may be used for a multiplicity of exercises and with a wide variety of muscle groups. The exercise device includes a telescopic tube that is sealed at a distal end... | 06/17/2008 |
| 7374028 | Damper with pressure-sensitive compression damping A self-pressurized damper, for example, a pressure-sensitive damper is described. At least one suspension spring is used to pressurize the damping fluid, a task typically carried out by a sealed moveable barrier, such as an internal floating piston (IFP) and a press... | 05/20/2008 |
| 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 |
| 7364143 | Adjustable suspension fork A suspension front fork includes a lower tube with a closed bottom and an upper tube is movably inserted in the lower tube. Hydraulic oil is filled in the lower tube and has an oil level in the upper tube. A damper assembly is fixedly received in the upper tube and ... | 04/29/2008 |
| 7357232 | Front fork in two-wheeled motor vehicle or the like In an inverted type front fork in a two-wheeled motor vehicle or the like, a stopper plate having a through hole formed in a center portion is fitted to an inner periphery of an upper end portion of an inner tube. A rod attached to an outer tube is inserted into the... | 04/15/2008 |
| 7347307 | Integrated damping adjustment valve A variable damper assembly (10) includes a cylinder head (42) with multiple valves (50) selectively blocking corresponding flow paths (54) to provide multiple dampening rates. Hydraulic fluid passing through flow paths (54) within ... | 03/25/2008 |
| 7322449 | Hydraulic shock absorber A piston connected to a piston rod is fitted into a cylinder in which a hydraulic fluid is sealably contained. A flow of the hydraulic fluid is generated in an extension-side fluid passage and a compression-side fluid passage according to a sliding motion of the pis... | 01/29/2008 |
| 7316409 | Front fork of bicycle with buffer apparatus A front fork of a bicycle, which has damping function, has a lower fork having a closed bottom. An upper fork tube is inserted into the lower fork for reciprocation relative to the lower fork, which has a nozzle at a top thereof. Oil is received in a space between t... | 01/08/2008 |
| 7308976 | Hydraulic dampers with pressure regulated control valve A suspension damper includes a housing bounding a main chamber. A hydraulic fluid is disposed within the main chamber. A piston rod is selectively movable between an advanced position wherein a portion of the piston rod is advanced into the main chamber and a retrac... | 12/18/2007 |
| 7252181 | Air pressure proportional damper A suspension system includes an air spring and a shock absorber disposed between the sprung and unsprung portions of a vehicle. A vehicle height sensor sends signals to a control system which adjusts the height of the vehicle by increasing or decreasing the air pres... | 08/07/2007 |
| 7216747 | Amplitude controlled orifice valving A dual tube shock absorber includes a spool valve located between the upper working chamber and the reserve chamber. The spool valve moves with the piston rod to open and close a flow path between the upper working chamber and the reserve chamber. This provides a lo... | 05/15/2007 |
| 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 |
| 7137491 | Shock absorber non-vibrating check valve assembly A check valve assembly for a shock absorber includes a tapered valve seat and a polygonal check valve which includes a plurality of flat surfaces. Each pair of flat surfaces intersects at a linear engagement surface which slidably engages a cylindrical chamber. When... | 11/21/2006 |
| 7134534 | Damper for front fork of vehicle A front fork for a vehicle includes an upper front fork tube, a lower front fork tube movably coupled to the upper front fork tube, a fluid contained in the upper and lower front fork tubes, and a damper fixedly sealedly mounted inside the upper front fork tube. The... | 11/14/2006 |
| 7118099 | Selfpumping hydropneumatic spring strut with internal level control in particular for a motor vehicle, includes a high pressure chamber containing a gas cushion acting as a spring, and a working cylinder which is filled with damping medium under pressure of the gas cushion. A working piston carried by a hollow piston rod divides the... | 10/10/2006 |
| 7104369 | Vibration damper with stroke-dependent damping force A piston rod with a piston is installed with freedom of axial movement in a damping medium-filled cylinder, where, as a function of the stroke position of the piston, a bypass connects the two working spaces separated from each other by the piston. The piston has at... | 09/12/2006 |
| 7048099 | Bottom valve apparatus of hydraulic shock absorber In a bottom valve apparatus of a hydraulic shock absorber in which a flow passage is formed in a bottom piece, and a check valve opening and closing the flow passage and a spring urging the check valve are fixed to one face side of the bottom piece by a fixing membe... | 05/23/2006 |
| 7011325 | Adjustable length suspension fork for a bicycle An improved, lightweight suspension fork for a bicycle with variable travel capability that maintains excellent torsional rigidity. This suspension fork allows for adjustable suspension travel adjusted at the handlebars of the bicycle. The suspension system includes... | 03/14/2006 |
| 6997959 | Multi-functional artifical knee joint An artificial knee joint connects a prosthetic lower leg to a residual thigh of a prosthesis wearer, and includes a knee-extending oil passage and a knee-flexing oil passage that is provided with a throttle valve. When the lower leg is pressed against the ground by ... | 02/14/2006 |
| 6978871 | Adjustable damper with control valve, mounted in an external collar A shock absorber according to the present invention includes a pressure tube having a working chamber disposed therewithin. A piston is slidably disposed within the working chamber and divides the working chamber into an upper working chamber and a lower working cha... | 12/27/2005 |
| 6969080 | Damper for front fork of vehicle A front fork shock-absorbing damper for use in between an upper front fork tube and a lower front fork tube of a vehicle's front fork for producing a damping effect upon movement of the upper front fork tube relative to the lower front fork tube includes a control r... | 11/29/2005 |
| 6938887 | Suspension system for bicycles The present invention relates to a spring damper system for bicycles having a first load-applying segment, a second load-applying segment, at least one spring mechanism, a damping means, and a regulating mechanism that automatically effects a damping behavior of the... | 09/06/2005 |
| 6926128 | Adaptive shock damping control A shock absorber damper assembly is provided that includes a working cylinder filled with fluid. A piston and rod are disposed in the working cylinder and move along an axis to provide dampening during a compression stroke. For a twin tube arrangement, a reservoir s... | 08/09/2005 |
| 6915885 | Oscillation damper with adjustable damping force Oscillation damper with variable damping force, comprising a valve device, in which an actuator for adjusting the valve device performs a rotary motion against the spring force of a torsion spring, the position of the valve device being determined from the manipulat... | 07/12/2005 |
| 6899206 | Air cylinder with high frequency shock absorber and accelerator High frequency shock absorber/accelerator built in at any or both end of conventional air cylinder that includes piston moving axially inside cylinder body and sealed against inner surface of body by sealing structure. Cylinder piston rod protrudes outside thru cyli... | 05/31/2005 |
| 6860370 | Controllable damping force hydraulic shock absorber A piston having a piston rod connected thereto is slidably fitted in a cylinder in which a hydraulic fluid is sealably contained. Extension-stroke and compression-stroke pilot type damping force control mechanisms are provided in the piston. Check valves are provide... | 03/01/2005 |
| 6860369 | Vibration damper with variable damping force A vibration damper with variable damping force, includes a cylinder filled with damping medium and in which a piston fastened to a piston rod axially moveably therein. The piston divides the working cylinder into two working spaces. The damping force for the directi... | 03/01/2005 |
| 6840357 | Hydraulic damping device Two oil chambers 28. 29 are formed in a cylinder 21. The piston rod oil chamber 28 is connected with a reservoir 50 formed on an outer section of the cylinder. Two parallel passages 33, 34 are formed in a sealing case 23 pro... | 01/11/2005 |
| 6802407 | Adjustable front suspension device A front suspension device includes an inner tube fixedly connected to the crown portion of the front fork and movably inserted in an outer tube. A valve member is received in the inner tube and connected to a sleeve which extends from the inner tube and an adjusting... | 10/12/2004 |
| 6715744 | Air spring shock absorber module with internal load-based damping adjustment A suspension assembly is provided that includes a shock absorber having a housing filled with hydraulic fluid. An air spring is supported on the shock absorber, and the air spring includes a bladder filled with air. A valve assembly is surrounded by the fluid housin... | 04/06/2004 |
