Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8146720 | Shock absorber for a transportation means A shock absorber comprises a sleeve, a cylindrical piston with a seal attached to the cylindrical surface of piston with two side surfaces, a rod coupled with the piston, a piston cap enclosing the sleeve on the piston's side, and a rod cap enclosing the sleeve on t... | 04/03/2012 |
| 8033367 | Seismic and dynamic axial damper applicable to elements preferably having a cylindrical, rectangular or squared section An axial damper for elements having a cylindrical, rectangular or squared section, includes two identical fixing clamps, each fixing clamp including an upper part and a lower part connected to each other by a clamping device to be wound around the elements. At least... | 10/11/2011 |
| 7866451 | Damper and automobile seat having the damper A damper (1) has silicone-based unvulcanized rubber (4) interposed between a housing (2) and a shaft (3) which are disposed in such a manner as to be relatively rotatable about an axis (A) in (R) directions with respect to each other, and... | 01/11/2011 |
| 7320381 | Propshafts with honeycomb core dampers A propshaft assembly includes a shaft structure having a hollow cavity and an insert member being positioned within the hollow cavity and engaging the shaft structure. The shaft structure vibrates in response to receipt of an input of a predetermined frequency such ... | 01/22/2008 |
| 7278601 | Speed-adjustable life-saving apparatus Provided is speed-adjustable life-saving apparatus which comprises a housing, a drum disposed in the housing, a life rope and a resistance wheel hub motor. One end of the life rope is fastened and wound on the drum. The resistance wheel hub motor disposed in the dru... | 10/09/2007 |
| 7270215 | Loudspeaker enclosure with damping material laminated within internal shearing brace A loudspeaker cabinet with a laminated internal brace which has a first rigid layer coupled to a first exterior panel of the cabinet, a second rigid layer coupled to an a second exterior panel of the cabinet, and a damping layer affixed between the rigid layers wher... | 09/18/2007 |
| 7234897 | Area earthquake defense system An area earthquake defense system is disclosed which uses military planning principles; automated command and control systems; the technology of wave manipulation demonstrated in optical engineering, sonar, and anti-tank weapons and their countermeasures; and proven... | 06/26/2007 |
| 7232017 | Pole vibration damping assembly and method A pole vibration damping means includes an annular housing with internal radial pole encircling chambers in which lead spheres are provided for effecting damping of first mode harmonic vibrations with the assembly being attached to the upper end portion of the pole ... | 06/19/2007 |
| 7204355 | Shock absorbing structure of two-wheeled vehicle A shock absorbing structure of a two-wheeled vehicle capable of sufficiently absorbing shock and desirably maintain the steerability of the two-wheeled vehicle. The structure includes a shock absorbing member projecting from a front wheel, wherein the shock absorbin... | 04/17/2007 |
| 7191997 | Vibration dampening system A vibration dampening system including a upper mounting portion, a lower mounting portion, and a vibration dampening portion coupling the upper mounting portion and the lower mounting portion. In some embodiments, the upper mounting portion is adapted to operably co... | 03/20/2007 |
| 7165516 | Cooling unit for air-cooled internal combustion engine An inventive cooling unit for an internal combustion engine comprises a plurality of cooling fins provided on outer surfaces of a cylinder block and a cylinder head, and vibration control rubbers interposed between cooling fins that face each other so as form a cool... | 01/23/2007 |
| 7130099 | Micromirror unit with torsion connector having nonconstant width A micromirror unit is provided which includes a frame, a mirror forming base upon which a mirror surface is formed, and a torsion connector which includes a first end connected to the mirror forming base and a second end connected to the frame. The torsion connector... | 10/31/2006 |
| 7100907 | Braking- and damping device, in particular for movable pieces of furniture A braking and damping device for movable pieces of furniture has a fluid-cylinder (1) in which two pistons (2, 5) are arranged in a linearly displaceable manner. One of the pistons (2) is displaceable by a piston rod (3). Arranged between... | 09/05/2006 |
| 7051849 | Magnetorheological fluid damper A magnetorheological damper device is provided having an increased shear interface area per unit volume of the device, which enhances the stroking force of the damper. The damper generally includes a cylindrically shaped housing; a magnetorheological fluid disposed ... | 05/30/2006 |
| 7040658 | Deployable rigid system for crash energy management A deployable cellular structure providing impact energy absorption capability is disclosed. The structure may be packed when not in use and deployed automatically or manually to provide impact protection. The structure is useful in a variety of situations including ... | 05/09/2006 |
| 7022908 | Pick-up assembly for stringed musical instruments A pick-up assembly for a stringed musical instrument includes first and second identical pick-ups in respective housings. The first pick-up is positioned toward strings of the instrument and the second pick-up is positioned toward inside of the instrument. The first... | 04/04/2006 |
| 6976729 | Deployable rigid system for crash energy management A deployable cellular structure providing impact energy absorption capability is disclosed. The structure may be packed when not in use and deployed automatically or manually to provide impact protection. The structure is useful in a variety of situations including ... | 12/20/2005 |
| 6957727 | Impact absorber for vehicle An impact absorber for a vehicle includes an outer body including a cavity having an axis, and an inner body situated partially within the cavity for relative movement into the cavity when the absorber is subjected to an impact. The inner body has at least one later... | 10/25/2005 |
| 6955207 | Friction device for roll-up curtains and the like A friction device (10), applied to roll-up curtains and the like, includes a tubular roller (1), on which the curtain (2) rolls up, and which is rotatably carried on a horizontal axis. The friction device (10) includes a threaded shaft ( | 10/18/2005 |
| 6955250 | Apparatus for damping vibration using macro particulates A mass damping system for use in all temperature ranges, including extreme temperature environments, is provided. The system comprises a housing having bottom, side and end walls, and an inner peripheral surface that defines an interior, a mounting mechanism located... | 10/18/2005 |
| 6920966 | Remotely releasable support strut Methods and apparatus are provided for locking and releasing ends of a support strut coupled between a mounting platform and a load. In a preferred embodiment, the strut comprises a damping section coupled between the ends and having a gap therein when the strut is ... | 07/26/2005 |
| 6896098 | Lid for muffling noises produced by an internal combustion engine, and method for producing such lid A lid adapted to be mounted on the cylinder head of an internal combustion engine by attachment screws includes a cap and a carrier element adapted to be attached to the cylinder head by the attachment screws. To achieve an improved sound decoupling, the cap and the... | 05/24/2005 |
| 6802405 | Friction vibration damper A friction vibration damper for damping the vibrations of a vibrating component comprising a body, a chamber and a plurality of elements, the body defines the chamber which is partially filled with the plurality of elements, the friction vibration damper, in use, di... | 10/12/2004 |
| 6749397 | Fluidal machine In a fluidal machine with an impeller rotating to urge a fluid radially outwardly by a centrifugal force, a vane guiding the fluid discharged from the impeller, a vane member which includes a front end of the vane facing to the impeller so that the fluid discharged ... | 06/15/2004 |
| 6719108 | Virbration damping device for vehicles Vibration damping device for vehicles includes: a rigid housing member having an accommodation space and fixed to a vibrative member; and an independent mass member having a rigid mass body and an elastic body layer bonded on the outer surface of the rigid mass body... | 04/13/2004 |
| 6715591 | Spacecraft isolator launch restraint A spacecraft isolator including shape memory alloy components that are electronically heated to unlock the isolator. The isolator can be manually unlocked with an adjustment bolt. ... | 04/06/2004 |
| 6705440 | Cable stay damper band and method of use for reduction of fluid induced cable vibrations Fluid current induced vibrations, as well as vortex shedding vibrations induced in a cable stay or a similar elongated, cylindrical element are dampened and substantially eliminated by applying a plurality of flexible active or passive damper bands to the cable at s... | 03/16/2004 |
| 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 |
| 6634250 | Steering column damper A steering column damper for a power-driven vehicle comprises a jacket tube with a central longitudinal axis; a sliding tube displaceably guided in the jacket tube; a steering shaft, which is mounted for pivotability about the central longitudinal axis re... | 10/21/2003 |
| 6615959 | Damper with high dissipating power The invention relates to a shock absorber having high dissipating power and comprising a rod-and-piston assembly (12) slidably received in a cylinder (11) and defining on either side of the piston (13) respective working chambers (18; 19) containing hydra... | 09/09/2003 |
| 6543590 | Passive collision damping device A circular cylindrical container having sealed ends provides a device for dissipating mechanical forces. The container is filled with particulate material and has circular wheel-like structures having rims and spokes located in the interior of the contain... | 04/08/2003 |
| 6533221 | Device for supporting a payload in a launch vehicle of said payload The invention concerns a launch vehicle comprising a shroud (1a, 5a) supporting auxiliary propellers (2, 3) applying in operation excess flow of stresses to the shroud (1a, 5a), said device comprising means for coupling the payload (4) with the launch veh... | 03/18/2003 |
| 6533256 | High precision vibration damping system A damping system is disclosed which includes a housing that receives vibrations, a mounting platform movably disposed with respect to the housing, at least one bearing surface on or attached to one of the housing and the platform, and at least one frictio... | 03/18/2003 |
| 6520302 | Brake system There is disclosed herein a device which can function either as a brake or as a clutch and which relies upon the application of fluid which, under sufficient pressure, becomes essentially solid thereby providing substantial friction between a moving disk ... | 02/18/2003 |
| 6494444 | Vibration damping device for vehicles Vibration damping device for vehicles includes: a rigid housing member having an accommodation space and fixed to a vibrative member; and an independent mass member having a rigid mass body and an elastic body layer bonded on the outer surface of the rigi... | 12/17/2002 |
| 6435323 | Distributed aerodynamic and mechanical damping of cables with active smart control A system for the mitigation of cable stay vibrations, typically induced by wind and rain, utilizes a plurality of active damper bands positioned along the cable stay. Each damper band includes a shiftable mass and an energizing device for facilitating ass... | 08/20/2002 |
| 6386344 | Braking device A braking device including a chamber rotatably mounted on an axle, the chamber defining an inner cavity, a disc mounted on the axle in the inner cavity, the disc having opposing surfaces extending away from the axle, and a pourable material disposed in th... | 05/14/2002 |
| 6315093 | Hydraulic shock absorber A hydraulic shock absorber (10) is composed of a piston (3) that partitions the inside of a cylinder (1) into an extension side chamber (R1) and a compression side chamber (R2), a throttler (3c) for connecting the extension side chamber (R1) and the compr... | 11/13/2001 |
| 6296238 | Device for the damping of vibrations between objects The device dampens vibrations between objects, especially for preventing the transfer of vibrations from a primary object subjected to vibrations, to a vibration-sensitive secondary object. The secondary object is non-rigidly supported by a damping body, ... | 10/02/2001 |
| 6241055 | Rotor with viscoelastic vibration reducing element and method of making the same A modular brake rotor includes a core having a central wall and a plurality of support ribs extending radially outwards therefrom. A pair of friction rings are secured to the support ribs. A viscoelastic vibration reducing element is disposed between the ... | 06/05/2001 |
