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| Number | Title | Issue Date |
| 7913822 | Ride height sensing shock damper A shock assembly includes a first tube having a cylindrical wall with an inner surface and an outer surface. A second tube is received within the first tube and includes a cylindrical wall having an inner surface and an outer surface. A piston assembly is received w... | 03/29/2011 |
| 7866452 | Vibration damper for vehicles A vibration damper for vehicles comprises a work cylinder in which a piston is guided axially by a piston rod. The piston divides the work cylinder into two work spaces filled with damping fluid. A tension stop is provided between the piston and a piston rod guide, ... | 01/11/2011 |
| 7845476 | Decoupling stabilizer and system A roll stabilizer for a vehicle includes a resilient member operatively connected between a movable end and a fixed end, and structure for activating and deactivating operation of the stabilizer by affecting compression of the resilient member. ... | 12/07/2010 |
| 7441637 | Hydraulic shock absorber In a hydraulic shock absorber (1), a piston rod (5) protrudes from a cylinder (3) filled with hydraulic fluid. A rebound cushion (8) is fitted to an outer circumferential surface of the piston rod (5) in the cylinder (3). A ... | 10/28/2008 |
| 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 |
| 7383108 | Vertical acceleration sensing vehicle brake system A vertical acceleration compensator is employed in the braking system of a vehicle wheel that undergoes vertical motion relative to the vehicle frame. The vertical acceleration compensator senses the vertical movement of the vehicle wheel relative to the vehicle fra... | 06/03/2008 |
| 7353922 | Air damper An air damper includes a cylinder having a bottom, a piston received inside the cylinder to move freely back and forth coaxially, and an orifice provided in the piston. The piston is formed of a synthetic resin, and has a piston rod extending toward a side of the cy... | 04/08/2008 |
| 7347427 | Wheel provided with driving means A wheel provided with an electro motor in the wheel. A wheel strut is attached to a vehicle, and a wheel is attached to the wheel strut. The electro motor causes a wheel attachment component to rotate about its longitudinal axis. Data from the wheel is exchanged wit... | 03/25/2008 |
| 7309063 | Gas-filled spring for a vehicle, such as a motor cycle, and valve for such a gas-filled spring A gas-filled spring (1) operates using gas (13, 14) and may be intended for a motor cycle. The gas-filled spring comprises a cylinder (2) and a piston (4), said cylinder comprising a compression chamber and a return chamber (8, 9).... | 12/18/2007 |
| 7299907 | Hydraulic shock absorber and method A hydraulic shock absorber has an outer body with a central bore. A first piston is telescopingly received in the central bore adjacent a closed end thereof, and has a generally annular shape with an inner surface defining a central piston bore, and an outer surface... | 11/27/2007 |
| 7281614 | Damper in a washing machine and fabricating method of the same A damper for a washing machine includes: a cylinder; a piston body having one end inserted into the cylinder; a first friction member interposed in a contact surface between the piston body and the cylinder; an extension bar extended from an inserted portion of the ... | 10/16/2007 |
| 7252031 | Cylinder apparatus In a cylinder apparatus such as a hydraulic shock absorber, a piston to which a piston rod is connected slidably is inserted into a cylinder which contains liquid oil. A rebound spring is wound around the piston rod with one end of the piston rod fixed to the piston... | 08/07/2007 |
| 7243766 | Rebound cushion for hydraulic shock absorber A cylindrical rebound cushion (8) is fitted to an outer circumference of a piston rod (5) inserted in a cylinder (3) of a hydraulic shock absorber (1). An upper end surface (8a) of the rebound cushion (8) comes Into c... | 07/17/2007 |
| 7240775 | Shock absorber A shock absorber of a built-in damper type is provided with a rod guide portion one end of which is fixed to an end of a cylinder for a damper, the rod guide portion slidably supporting a rod, and an oil lock piece disposed in the other end of the rod guide portion,... | 07/10/2007 |
| 7234714 | Roll control system for a motor vehicle (57) A roll control system (20) for installation between axially aligned wheels of a motor vehicle, the roll control system comprising a torsion bar (22); a damper (24) attached to one end (28) of the torsion bar and attachable to ... | 06/26/2007 |
| 7225493 | Support leg system and method for supporting a dock leveler A method and apparatus for supporting a dock leveler in a manner to reduce the effects of free fall and stump-out. The apparatus includes the use of a retractable support leg. The method includes maintaining the support leg in a support position and retracting the s... | 06/05/2007 |
| 7204104 | Damper of drum type washing machine A damper includes: a cylinder: a piston rod inserted to be movable linearly in the cylinder; a guide member provided with a coupling hole to which an insertion portion of the rod member is coupled at a center thereof, and provided with first and second grooves at an... | 04/17/2007 |
| 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 |
| 7156213 | Shock absorber having a hydraulic stop A shock absorber includes a hydraulic stop. The hydraulic stop includes two housings connected together by a spring. At the end of the stroke of the shock absorber, the piston causes the two housings to approach each other thereby causing fluid disposed between the ... | 01/02/2007 |
| 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 |
| 7073642 | Gas spring A gas spring comprises a cylindrical casing, in which a piston rod is guided for displacement concentric of a central longitudinal axis. A damping piston is mounted on the piston rod, dividing the interior of the casing into two sectional casing chambers. A filling ... | 07/11/2006 |
| 7065852 | Method of manufacturing hydraulic shock absorber and production system for shock absorber in plant A method of manufacturing a hydraulic shock absorber is provided with a piston main body manufacturing step 21 including the process of sintering of the piston main body and the process of forming of the molded sealing are performed, a piston assembly manufac... | 06/27/2006 |
| 7062813 | Support leg system and method for supporting a dock leveler An apparatus for supporting a dock leveler in a manner to reduce the effects of free fall and stump-out. The apparatus includes the use of a retractable support leg. ... | 06/20/2006 |
| 7047584 | Support leg system and method for supporting a dock leveler In one embodiment, a dock leveler includes a support leg system configured to remain in a support position when the dock leveler descends rapidly and retract when the dock leveler descends slowly. In another embodiment, a dock leveler includes a multi-tiered lip kee... | 05/23/2006 |
| 7048098 | Toroidal rotary damper apparatus A toroidal rotary damper apparatus includes a housing having a toroidal inner housing surface and a piston moveable in the housing having a curved outer peripheral piston surface in engagement with the inner housing surface. A fluid barrier is attached to the housin... | 05/23/2006 |
| 7032727 | Shock absorber having a hydraulic stop A shock absorber includes a hydraulic stop. The hydraulic stop includes two housings connected together by a spring. At the end of the stroke of the shock absorber, the piston causes the two housings to approach each other thereby causing fluid disposed between the ... | 04/25/2006 |
| 7021435 | Monotube strut with rebound cut-off feature A suspension damper including a tube and a damping piston assembly disposed within the tube and slidably mounted therein for reciprocal movement in the tube. The suspension damper also includes a piston rod extending through the tube and connected to the damping pis... | 04/04/2006 |
| 7011193 | Rod guide and seal system for gas filled shock absorbers A gas shock absorber has a pressure tube which defines a working chamber. A piston assembly divides the working chamber into an upper working chamber and a lower working chamber. A plurality of extension passages extend through the piston assembly and are opened and... | 03/14/2006 |
| 6959797 | Piston-cylinder assembly with braking device In a piston-cylinder assembly comprising a cylinder in which a piston rod is installed with freedom of axial movement and which is filled with a blocking medium, a braking device becomes active when the piston-cylinder assembly moves faster than a defined speed and ... | 11/01/2005 |
| 6945372 | High frequency shock absorber and accelerator A powerful high frequency shock absorber/accelerator uses compressed air but maintains a substantially uniform level of force throughout retraction and extension strokes. A piston moving in an inner chamber compresses gas in the chamber. Initially, an aperture allow... | 09/20/2005 |
| 6942204 | Extension spring strut An extension spring strut comprises a pre-loaded extension spring with a damper disposed therein. An operating element is disposed inside the extension spring, having an actuating tappet that is joined to an end of the extension spring. The actuating tappet is displ... | 09/13/2005 |
| 6931686 | Support leg system and method for supporting a dock leveler A dock leveler includes a support leg system configured to remain in a support position when the dock leveler descends rapidly and retract when the dock leveler descends slowly. A disengaging system is also included to disengage the support legs from retracting when... | 08/23/2005 |
| 6776269 | Twin piston shock absorber A two-stage piston has a twin piston design where one piston produces a high damping force and the second piston produces a low damping force. At specified positions along the pressure tube, by-pass passages are formed to allow fluid flow around the high damping for... | 08/17/2004 |
| 6739609 | Front fork The production of sharp shocks is prevented by increasing resilient gas characteristics in response to the compression stroke acting on a front fork. The front fork comprises a tube 1 connected to the vehicle body and a tube 2 connected to the vehicle ... | 05/25/2004 |
| 6736245 | Dampening 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 |
| 6691840 | MR damper with rebound cut-off feature A suspension damper including a tube and a damping piston assembly disposed within the tube and slidably mounted therein for reciprocal movement in the tube. The suspension damper also includes a piston rod extending through the tube and connected to the ... | 02/17/2004 |
| 6681906 | Device for increasing shock absorption A device for increasing shock absorption by hydraulic means in the terminal section (19 & 27) of hydraulic shock absorbers with a shock-absorption piston (3) that divides the shock absorber into two compartments. The width of a channel that conveys hydrau... | 01/27/2004 |
| 6644446 | Hydraulic shock-absorber In a hydraulic shock-absorber comprising a cylinder, a piston rod provided with a rebound stopper secured thereto, and a rod guide provided at an end of said cylinder which rod guide butts against the rebound stopper at an extension stroke end of the pist... | 11/11/2003 |
| 6634471 | Hydraulic tension stop for vibration dampers Hydraulic tension stop for vibration dampers, shock absorbers, or similar piston-cylinder assemblies, where each assembly has a fluid-filled working space, the boundaries of which are formed axially by a piston rod guide and the piston and radially by the... | 10/21/2003 |
| 6626274 | Vibration damper having a rebound A vibration damper includes a rebound, in particular a rebound spring. The vibration damper includes a piston which is formed on an axially movable piston rod and which separates two working chambers in a cylinder, the working chamber penetrated by the pi... | 09/30/2003 |
