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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 |
| 7296766 | Lightweight structural damping assembly A structural damping assembly includes a bonding plate, a stiffener layer, an elastomeric layer, and a constraining layer. The elastomeric layer is boned between the stiffener layer and the constraining layer. The bonding plate and the stiffener layer extend between... | 11/20/2007 |
| 7240580 | Single degree of freedom axis positioner A single degree of freedom positioner resistant to axial and rotational motion on two axes, and to rotation around a third axis, but permitting axial movement along the third axis. The axes are orthogonally related. The positioner is characterized by support of a st... | 07/10/2007 |
| 7201001 | Resonant linear motor driven cryocooler system A resonant linear motor driven cryocooler system, particularly suited for providing refrigeration to a magnetic resonance imaging system, wherein vibrations from the resonant linear motor and noise from pulsed gas are isolated from the cryocooler by work transfer pi... | 04/10/2007 |
| 7156468 | Adjustable grommet for a chair seat An adjustable grommet for a chair including an oval shaped member having a top surface, a bottom surface and a contiguous curved side surface. The adjustable grommet is positioned between the chair seat and the chair legs. The adjustable grommet can flex and compres... | 01/02/2007 |
| 7073624 | Loudspeaker baffle isolation system This invention provides a baffle isolation system for isolating a baffle from a housing in a loudspeaker mounting system. The isolation system may include an isolation mechanism that insulates the baffle from the speaker housing. The isolation mechanism may include ... | 07/11/2006 |
| 7048247 | Support leg device for equipment case A support leg for an equipment case is made of a support leg main body and a stand base. The main body defines a concave (recessed) portion in the bottom thereof. A spire head portion that defines a spike is disposed in the concave portion so the spike does not exte... | 05/23/2006 |
| 6911117 | Method and equipment for attenuation of oscillation in a paper machine or in a paper finishing device A method and apparatus for damping vibration in a paper machine. The apparatus having a dynamic damper which includes a weight suspended by a spring. The spring constant of the spring is changed by means of a control device in order to tune the natural frequency of ... | 06/28/2005 |
| 5735511 | Self-adjusting stop means for cushioning The present invention relates to a self-adjusting stopper for dampening movable parts, in particular for lids, hoods or the like in automotive vehicles, and comprises a stop element, a casing, a clamping element and a coupling element in cooperative relat... | 04/07/1998 |
| 4917211 | Seismic isolator A seismic isolator comprises: a friction device having upper friction plate and a lower friction plate, a friction plane of the upper friction plate and the lower friction plate having a characteristic of Coulomb friction; and horizontally placed springs ... | 04/17/1990 |
| 4526118 | Stitch length control dampening arrangement for a sewing machine Vibrational movements of a spring biased lever, which is selectively positionable by a stitch length control lever and controls the operation of feed regulating mechanism in a sewing machine accordingly, are dampened by the operation of a plunger that is ... | 07/02/1985 |
| 4371141 | Vibration isolation system with adjustable constant force, all-directional, attenuating seismic restraint A vibration isolation system includes a seismic restraint assembly that attenuates forces above a chosen magnitude transmitted to a unit from a support during a seismic event. Vertical friction elements on a vertical frame engage and support a vertical da... | 02/01/1983 |
| 4343452 | Spring support strut for drum-type washing machine An elastic support for a horizontally rotating washing machine or the like in which two spring support strut assemblies are disposed substantially in the middle of the machine and to either side of a vertical plane which includes the axis of rotation. Eac... | 08/10/1982 |
| 4295627 | Spring suspensions for vehicle seats A vehicle seat suspension, of the type comprising a seat frame supported on a base frame by two spaced pairs of scissor action linkage arms, has the ends of the linkage arms connected to one of the frames wholly by pivotal connections having freedom for d... | 10/20/1981 |
| 4266630 | Power unit suspension in motor vehicles In a forward engine compartment of a vehicle a power unit is suspended so as to have a controlled rearward movement in the engine compartment when exposed to excessive forces in the lengthwise direction of the vehicle during a collision. There is at least... | 05/12/1981 |
| 4238104 | Energy absorbing motor mount assembly An energy absorbing motor mount assembly is disclosed in which a mounting element, including an arm having an enlarged head portion, is mounted for reciprocation in fore and aft directions inside a containment housing. Resiliently displaceable energy abso... | 12/09/1980 |
| 4076194 | Snubbed pad resilient mount A resilient mount for attaching a relatively heavy engine to a frame includes a housing secured to the frame defining an internal chamber, a resilient pad disposed between the housing and the engine and upon which the engine rests, and a snubber spool fix... | 02/28/1978 |
| 4057237 | Snubber An illustrative embodiment of the invention relates to a mechanical shock suppressor sensitive to velocity or acceleration of a predetermined level capable of restraining relative movement associated therewith of structures supported by the suppressor. Th... | 11/08/1977 |
| 4040590 | Vibration isolator with integral non-amplifying seismic restraint The force transmitted to vibration-isolated equipment during a seismic event can be essentially limited to the force generated by the floor input acceleration by a combination of friction restraining devices and energy-absorbing stops constructed into the... | 08/09/1977 |
