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| Number | Title | Issue Date |
| 7322568 | Damping spring for use in agricultural implements A damping spring assembly particularly but not exclusively useful for damping the motion of rake wheels in agricultural wheel rakes. The damping spring includes a pair of extended U-bolts and a coil compression spring. The extended U-bolts are connected to spring ho... | 01/29/2008 |
| 7244324 | Air spring and hanging label assembly and method of assembling same An air spring assembly including a first end member having a peripheral edge, a second end member in spaced relation to the first end member, and a flexible sleeve secured between the first and second end members at least partially defining a spring chamber. A label... | 07/17/2007 |
| 7213497 | Inflatable trajectory altering and blast energy absorption system An inflatable trajectory altering and blast energy absorption system has a plenum with walls that are spaced apart from one another when the plenum is inflated. Flexible members, dispersed in the plenum and coupled thereto, are placed in tension when the plenum is i... | 05/08/2007 |
| 7121538 | Arrangement at a press tool for breaking the piston/piston rod of a gas spring The invention relates to an arrangement in a pressing tool for braking the return movement of pistons/piston rods (D1) of gas-filled springs (D) and thereby also of a sheet metal holder (B) supported thereon after pressing has been performed. The invention is... | 10/17/2006 |
| 7034693 | Sport dog locator Described is a locator device for indicating the relative location of a dog in a sporting field and for indicating whether the dog is tracking or on point regardless of the orientation of the device. The locator device calculates whether a dog is tracking or on poin... | 04/25/2006 |
| 7028817 | Pressure adjustable shock and method A gas pressure adjustable aluminum shock absorber to pressurize oil therein mounts between a vehicle and an axle and includes a threaded aluminum shock body tube, a bore therein an aluminum body mounting loop with an internal female thread to couple in threaded enga... | 04/18/2006 |
| 7013017 | Microphone capsule support A microphone capsule support in which the microphone capsule is mounted elastically in a microphone housing using two annular diaphragms. The capsule is connected through the annular diaphragms to a bearing bushing and a cover is connected to the bearing bushing at ... | 03/14/2006 |
| 6935277 | Lead with ergonomic handgrip A lead (10) with ergonomic handgrip comprises a casting (11) containing a winding device for a cord or strap (12), a handgrip (14), as well as devices for the temporary blocking and rapid rewinding of said cord or strap (12); said ... | 08/30/2005 |
| 6934961 | Damper and vibration proof structure for mechanical chassis A damper has a flexible portion formed of a rubber-like elastic material, such as thermoplastic elastomer, and a lid portion whose inner peripheral portion is formed of the rubber-like elastic material. The flexible portion and the lid portion are respectively equip... | 08/23/2005 |
| 6830793 | Composite damping material A composite material is provided that includes an array of machine elements disposed within a matrix material. Each machine element includes a cross-section defining an internal space that is filled with a viscous fluid. Preferably, the machine elements are provided... | 12/14/2004 |
| 6578832 | Air damper used in glove box of automobile An air damper comprises a cylinder having first and second openings at both ends, a piston that moves in the cylinder, a piston rod coupled to the piston and moving in and out at the first opening of the cylinder; and a cap positioned at the second openin... | 06/17/2003 |
| 6547045 | Shock absorber In an air-type shock absorber, a piston is sealing situated in a cylinder chamber. A vacuum state occurs in a piston bearing side of the cylinder chamber when a piston is pushed. Also, an air reservoir is provided at a side opposite to the piston bearing ... | 04/15/2003 |
| 6520491 | Impact attenuation An apparatus for attenuating shock loads includes a flexible, non-rigid outer impervious envelope. The envelope is formed from a high strain resistance material. An inner, pervious baffle extends across the envelope between the first and second sides. The... | 02/18/2003 |
| 6439551 | Variable spring constant type damper filled with viscous fluid A variable spring constant type damper filed with visco fluid which has a great damping effect over a wide frequency band from a low frequency band to a high frequency band and to suppress a resonance magnification at a resonance frequency of a supported ... | 08/27/2002 |
| 6425467 | Actuation arrangement for movable components on vehicles An actuation arrangement for movable components on vehicles, particularly for trunk lids or hoods, doors, vehicle tops and top covers, including at least one hydraulic cylinder (1) pivotably coupled to a cylindrical pivot pin (11) on the vehicle and/or on... | 07/30/2002 |
| 6059273 | Gas spring arrangement The invention relates to an arrangement for a gas spring. The arrangement comprises a cylinder (1). At its one end, this is delimited by a fixed end wall (2), and at its other end there is a first guide (3) sealed against the inner wall of the cylinder (1... | 05/09/2000 |
| 6029958 | Shock absorber A shock absorber has a cylinder with a piston and piston rod arrangement in the cylinder. Working medium can be guided in different flow paths via shim stacks for the purpose of obtaining different dampings based on the position of the piston. The piston ... | 02/29/2000 |
| 5979882 | Direct fluid shear damper Disclosed is a vibration damping and isolation apparatus having a passive damping mechanism. The passive damping mechanism includes an outer tubular member and an inner member. The inner and outer members are linearly movable relative to one another upon ... | 11/09/1999 |
| 5833218 | Degressive gas spring The invention relates to a degressive gas spring. This has two cylinder-piston units (1, 2), one of which is selected as a working spring (1) and the other as a slave spring (2), the cylinders (1a; 2b) and the ends of the piston rods (1b; 2b) of which are... | 11/10/1998 |
| 5735509 | Seat suspension assembly A pneumatic seat suspension assembly including upper and lower support members with scissors linkages extending therebetween, a pneumatic spring operatively attached between one set of opposing parallel scissors arms, a height adjuster in communication wi... | 04/07/1998 |
| 5676325 | Traverse apparatus for a yarn winding machine A traverse apparatus for a yarn winding machine which non-linearly buffers the impact between the cam drum (4) and cam roller (13) due to the emission resistance and shear resistance of the viscous fluid (b) intervening between shock absorbers (10a,10b,10... | 10/14/1997 |
| 5584463 | Radial vibration damping arrangement A damping arrangement 20 (FIG. 1(b)) for radial vibrations in a turbomachine shaft 10 comprise two circumferentially limited, diametrically opposed damping chambers 22, 23 open towards the shaft and to which gas is supplied alternately by gas flow control... | 12/17/1996 |
| 5380100 | Squeeze film damper covered by torus shells A squeeze film damper covered by a pair of flexible torus shells, wherein the damping fluid is confined. The squeeze film provides the damping. The torus shells provide the stiffness within the clearance of the squeeze film. The torus shells separate the ... | 01/10/1995 |
| 5364081 | Motor vehicle suspension system A moved mass of hydraulic medium is used as a compensating mass at critical frequencies of the suspension system to achieve a frequency-selective dynamic damping, and a suitable hydraulic transmission ratio can ensure that a relatively small quantity of h... | 11/15/1994 |
| 5337991 | Low resonant frequency vibration isolation system A support system for supporting an experimental apparatus or a prime mover and decoupling the same from the environment comprises a vessel immersed in a tank of liquid and having support structure extending out of the liquid to support the experimental ap... | 08/16/1994 |
| 5236171 | Load supporting linkage with gas spring Mechanism for movably supporting a load, comprises a fixed frame, a pendulum lever pivotally connected at one end to the frame, and a link pivotally connected at one end to the other end of the pendulum lever. The other end of the link is connected to a v... | 08/17/1993 |
| 5042782 | Fluid spring In a gas spring having two working chambers, a pressurized gas is provided within both the working chambers. One of the working chambers is connected with a pressure reservoir. A shut-off valve is provided between the pressure reservoir and the respective... | 08/27/1991 |
| 4964491 | System for limiting snap load intensity A system which limits the intensity of a snap load imposed in a tether or cable, used, for example, in the recovery of an object at sea, includes a floating plate for connection to the cable and a support housing for connection to the object being recover... | 10/23/1990 |
| 4901806 | Apparatus for controlled absorption of axial and torsional forces in a well string A drill string apparatus for the controlled absorption of both axial and torsional forces exhibited on the well string during drilling operations. The device is adapted to be connected in the drill string above the drilling tool in order to control the fo... | 02/20/1990 |
| 4717129 | Tube with welded bottom design in particular for making high-pressure gas springs A tube having a welded bottom impermeable to gases under pressure, the tube including (a) a tube body having an end with an inner peripheral edge folded-over toward the interior of the tube body for forming an opening of reduced diameter; and (b) an end p... | 01/05/1988 |
| 4681303 | Shock-absorbent connector The invention provides a manually held leash, lead, line or the like for large and strong animals which incorporates a shock absorbing device for diminishing the effect of the force or strain transmitted when the animal suddenly and forcibly pulls, lunges... | 07/21/1987 |
| 4645189 | Hydraulic damping rubber engine mount Hydraulic-vibrationally damping rubber mount for motor vehicles with two rigid end surfaces opposite one another in the axial direction and at least two chambers containing damping fluid arranged one after the other, whereby the chambers are connected wit... | 02/24/1987 |
| 4629432 | Elastically supported thruster structure A propeller thruster installation includes a propeller unit rigidly supported in an inner tunnel tube which in its turn is elastically coaxially supported in an outer tunnel tube which is rigidly secured to the hull of a ship. In order to reduce the trans... | 12/16/1986 |
| 4578082 | Fluid cushioning apparatus acting as a pivoting medium of two objects having a pivoting feature A fluid cushioning apparatus acting as a pivoting medium of two objects having a pivoting feature includes a sleeve, a shaft and a partitioning piece. The shaft has two radially enlarged annulations being closely and rotatably mounted in the sleeve and a ... | 03/25/1986 |
| 4469316 | Elastomeric mount with hydraulic damping A mount for securing together two relatively displaceable bodies, such as a motor-vehicle engine and a vehicle chassis, with limited relative freedom of movement has a substantially closed liquid-filled chamber formed by a first resiliently deformable wal... | 09/04/1984 |
| 4215842 | Rubber elastic engine mounts or supports with hydraulic damping Elastic rubber engine mounts with hydraulic damping are provided, especially for engine suspensions in motor vehicles. The mounts comprise two separated liquid-filled chambers, defined in part by elastic rubber-like peripheral walls adheringly connected w... | 08/05/1980 |
| 4159091 | Damper device, in particular for the suspension of an engine The device comprises two armatures one of which is for connection to a support and the other is for connection to a suspended element. A block of elastic material is interposed between, and defines with, the two armatures a closed enclosure. A partition w... | 06/26/1979 |
| 4064910 | Fluid control valve A control valve for controlling the supply of pressurized fluid to a working element, such as a pneumatic spring, comprises a housing having a bore comprising first and second bore sections with a smaller diameter middle bore section. A connection for a s... | 12/27/1977 |
| 4029158 | Pile driving apparatus Apparatus for use in driving a pile by means of successive hammer blows at the same time as a vibratory force is to be applied to the pile comprises means for simultaneously transmitting, to a pile to be driven, a force produced by a hammer blow and a vib... | 06/14/1977 |
| 3995842 | Pneumatic spring with safety release A pneumatic spring of the piston-and-cylinder type for use with the engine compartment hood or trunk lid of a motorcar and subject to explosive destruction in the event of an engine fire or a collision is provided with frangible, reduced wall portions in ... | 12/07/1976 |
