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| Number | Title | Issue Date |
| 7441640 | Shock absorber apparatus A shock absorber includes a first cylinder having a first fluid port and a second cylinder having a second fluid port. A response adjustment mechanism is connected in fluid transmission relation between the first and second fluid ports. The response adjustmen... | 10/28/2008 |
| 7367435 | Shock absorber design method A shock absorber preferably used for an automobile aims at inhibition of noise caused by self-induced vibration. The shock absorber includes a piston, a working cylinder for housing the piston; and a rod, one end of which being attached to the piston and the other e... | 05/06/2008 |
| 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 |
| 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 |
| 7331434 | Impact absorber An impact absorber is provided for absorbing impact forces especially in case of a collision of a motor vehicle. The impact absorber includes an inner tube (1), which can be pushed into an outer tube (2) in a telescopic manner and which is closed with ... | 02/19/2008 |
| 7299908 | Shock absorber A device for absorbing shocks, in particular for two-wheeled vehicles, having at least a chamber filled with a fluid medium; at least a piston means (20) movable in the longitudinal direction of the chamber ... | 11/27/2007 |
| 7249736 | Process for landing a tailless aircraft A process for landing a tailless aircraft having a nose, wings that produce lift, a nose landing gear with a shock strut, and main landing gear, comprises the steps of allowing the nose landing gear shock strut to compress after touchdown to a point where the nose o... | 07/31/2007 |
| 7243763 | System comprising magnetically actuated motion control device A system that includes a magnetically actuated motion control device comprising a housing defining a cavity and including a slot therethrough. A movable member is located within the cavity and is movable relative to the housing. A magnetic field generator located on... | 07/17/2007 |
| 7201391 | Front fork in two-wheeled vehicle or the like A front fork of a two-wheeled vehicle or the like is disclosed in which an annular free valve is provided between a taper-like valve seat surface formed in an upper surface of a valve seat member fixed to an inner periphery of a lower end portion of an inner tube an... | 04/10/2007 |
| 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 |
| 7048164 | Setting device The present invention is directed to a combustion-operated setting device for driving fastening elements such as nails, bolts and pins into a substrate, with a setting mechanism comprising a driving piston (15) which is supported to be displaceable in a guide... | 05/23/2006 |
| 7025184 | Hydraulic shock absorber with self leveling function for vehicle height A hydraulic shock absorber with a self leveling function for a vehicle height is provided to prevent drop of a relief valve even if an excessive impulsive pressure is applied thereto. The relief valve is provided with a tubular valve case which is press-fitted into ... | 04/11/2006 |
| 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 |
| 6918473 | Stroke dependent bypass A shock absorber has a pressure tube with a piston assembly slidably disposed within the pressure tube and attached to a piston rod. The piston assembly divides the pressure tube into an upper working chamber and a lower working chamber. The piston assembly includes... | 07/19/2005 |
| 6918472 | Arrangement for a piston and cylinder device The hydraulic cylinder or shock absorber arrangement has a cylinder unit limiting an inner space in which a medium in the form of a gas or a liquid is intended to be placed. A forwardly and backwardly movable piston unit is placed such that it can slide within the s... | 07/19/2005 |
| 6763920 | Self-contained bidirectional end-of-stroke hydraulic snubber A bidirectional self-contained end-of stroke snubbing device (20) includes a housing (21), a rod (22) movable relative to the housing, a single fluid-filled variable-volume chamber (23) communicating with a fluid sump (24) through ... | 07/20/2004 |
| 6672435 | Shock absorber adjustable in compression An adjustable shock absorber includes a shock rod having a longitudinal axis. A shock body is disposed around a portion of the shock rod, the shock body defining a first fluid chamber therein and being slidable along the longitudinal axis. A piston is dis... | 01/06/2004 |
| 6467593 | Hydraulic shock absorber with progressive braking effect An hydraulic shock absorber with progressive braking effect comprising a cylinder (1,2) full of fluid and a piston (3) sliding axially into said cylinder. The piston (3) divides into two sequential chambers (8) and (9) the cylinder compartment (1). In the... | 10/22/2002 |
| 6032933 | Self-pumping hydropneumatic spring strut with internal level regulation A self-pumping hydropneumatic spring strut that continuously regulates the pressure in the low- and high-pressure work cavities of the work cylinder to control the height of the vehicle body during all vehicle operation situations. According to the presen... | 03/07/2000 |
| 5944283 | Crashworthy landing gear shock A shock absorber, optionally operable as a retractable landing gear actuator, includes a sealed cylinder divided by a cylinder head to define an upper chamber and a lower chamber, the lower chamber further divided by a piston having a piston rod passing i... | 08/31/1999 |
| 5878852 | Vehicular height control device A sudden change in the repulsive force of a piston rod and the resulting excessive increase of the vehicular height are to be suppressed. A small-diameter portion 10A and a large-diameter portion 10B are formed in the inner periphery of a pump cylinder 10, and... | 03/09/1999 |
| 5862895 | Adjustable variable oleopneumatic shock-absorbing device An oleopneumatic shock absorbing device including a hydraulic fluid-filled cylinder (1) combined with a movable assembly moved by outside forces for circulating the hydraulic fluid. The movable assembly consists of a hollow mobile piston (3) on the end of... | 01/26/1999 |
| 5826863 | Self-pumping hydropneumatic shock absorbing strut with internal level regulation A self-pumping hydropneumatic shock absorbing strut with internal level regulation contains a work cylinder which is filled with damping medium and is under the pressure of gas cushions, and a piston which can be displaced in the work cylinder on the end ... | 10/27/1998 |
| 5810128 | Shock absorber An improved shock absorber for a vehicle suspension system that incorporates an internal damping arrangement that permits a smooth transition between first and second damping rates. The mechanism includes a metering rod that is mounted in such a way that ... | 09/22/1998 |
| 5779007 | Shock absorber with hydraulic fluid control rod A shock absorber (10) is longitudinally compressible and extendable under the influence of vehicle suspension loads. The shock absorber (10) includes a tubular structure (16) which defines upper and lower hydraulic fluid chambers (52, 50) above and below ... | 07/14/1998 |
| 5682967 | Shock absorber having nonadjustable metering A nonadjustable shock absorber that can accommodate for variations in weight, and propelling force, and to provide a specific deceleration or reaction force. The shock absorber provides dual function metering that combines soft contact dampening with the ... | 11/04/1997 |
| 5680913 | Snubber for a hydraulic motor Snubbers are useful in dampening inertia loads at the end of stroke movement of a hydraulic motor. Known snubbers usually have a spear type annular orifice with an associated plunger which usually restrict fluid flow in the non-snubbing mode thereby slowi... | 10/28/1997 |
| 5509675 | Bicycle front suspension system A bicycle front suspension system includes a pair of V-shaped strut supports secured to a bicycle head tube in a spaced apart arrangement. Each strut support receives and secures the upper portion of a collapsible suspension strut to provide increased sus... | 04/23/1996 |
| 5509513 | Bidirectional snubber for a hydraulic suspension cylinder An end-of-stroke bidirectional snubber for a suspension cylinder includes an elongate snubber element having a first flow regulating end portion co-acting with an annular edge for gradually restricting fluid flow from a head end chamber as the piston appr... | 04/23/1996 |
| 5370429 | Bumper system having an extendable bumper for automotive vehicles A bumper system including an extendable bumper resiliently disposed in the direction of impact. The system is compact and, even at elevated impact speeds, protects the automotive vehicle against damage. The bumper is extended by an adequate amount before ... | 12/06/1994 |
| 5160123 | Velocity-controlled railway buffer A buffer for railway vehicles includes a plunger telescopically received within an outer cylinder. An internal speed control valve, essentially independently of the forces acting on the buffer, causes the buffer to move inwardly at a predetermined initial... | 11/03/1992 |
| 5154445 | Constant force air cushion arrangement for automotive side impact protection A constant force air cushion arrangement for side impact protection, including a plurality of air cells mounted on the inner door panel. A tapered stem is integrally molded on the inner surface of each cell so as to extend toward the inner door panel. An ... | 10/13/1992 |
| 5127634 | Hydropneumatic vehicle suspension strut A hydropneumatic suspension strut adapted to be connected between the chassis and a wheel of an automotive vehicle. The strut has a piston with a rod having an axial passage connected to a hydropneumatic accumulator, and slides in a cylinder. A hydraulic ... | 07/07/1992 |
| 5102109 | Hydraulic shock absorber A hydraulic shock absorber with a housing defining a high pressure space and containing a piston adapted to be moved by a mass to be damped. When the piston is moved for damping hydraulic fluid is displaced from the high pressure space so that there is a ... | 04/07/1992 |
| 4934749 | Metering pin for an energy absorber A moldable metering pin for an energy absorber unit includes an integral base having a plurality of openings. The base is press-fitted in an outer cylinder of the unit. The openings in the base prevent the formation of air pockets between the base and an ... | 06/19/1990 |
| 4883150 | Hydraulic shock absorber with piston rod position detecting means A hydraulic shock absorber is designed not only to support, for example, the body of a vehicle on an axle thereof, but also to adjust the level at which the body of the vehicle is disposed from the ground. The shock absorber has a shock absorber body, a p... | 11/28/1989 |
| 4834223 | Valve structure for telescopic hydraulic damper A telescopic hydraulic damper includes an outer tube filled with working oil, a pipe member mounted on the bottom of the outer tube, and an inner tube slidably disposed in the outer tube. A valve structure disposed in an inner end of the inner tube compri... | 05/30/1989 |
| 4787486 | Landing gear mechanism including controlled instroke and rebound damping and stroke overload protection Landing gear mechanism includes a variable area orifice to obtain the desired rebound damping of the landing gear mechanism during landing, and one or more check valve assemblies that operate in conjunction with the variable area orifice to provide the de... | 11/29/1988 |
| 4624346 | Multi-ratio hydraulic energy dissipater An hydraulic energy dissipater with multiple working ratios, of the telescopic type, comprising a member with a variable cross-section, penetrating into a bore provided on the bottom of a piston and into a chamber provided inside the rod of the piston, wh... | 11/25/1986 |
| 4452437 | Hydraulic-operating shock and vibration absorber and damper The invention relates to a hydraulically-operating shock and vibration absorber or damper, having a cylinder closed at one end, a piston slidable within the cylinder, the piston being connected with a hollow piston rod extending out of the open end of the... | 06/05/1984 |
