Abstract: A vibration damping device comprises: a spindle member through which a shaft portion is inserted, the spindle member being movable along a length direction of the shaft portion; a first coil spring disposed between the spindle member and one end portion of the shaft portion in the length direction, the one end portion of the shaft portion being inserted through the first coil spring, and the first coil spring urging the spindle member toward a side of another end portion of the shaft portion in the length direction; and a second coil spring disposed between the another end portion of the shaft portion and the spindle member, the another end portion of the shaft portion being inserted through the second coil spring, and the second coil spring urging the spindle member toward a side of the one end portion of the shaft portion.
Abstract: An outboard motor for a marine vessel application, and related methods of making and operating same, are disclosed herein. In at least one embodiment, the outboard motor includes a horizontal-crankshaft engine in an upper portion of the outboard motor, positioned substantially positioned above a trimming axis of the outboard motor. In at least another embodiment, first, second and third transmission devices are employed to transmit rotational power from the engine to one or more propellers at a lower portion of the outboard motor. In at least a further embodiment, the outboard motor is made to include a rigid interior assembly formed by the engine, multiple transmission devices, and a further structural component. In further embodiments, the outboard motor includes numerous cooling, exhaust, and/or oil system components, as well as other transmission features.
Abstract: A seat suspension system for a vehicle comprising a system frame, an elongated seat bracket having one end pivotably mounted to said system frame and the opposite end adapted to support a seat, and a dampening device attached between said system frame and a location on said seat bracket between said one end and said opposite end thereof.
Abstract: A locking apparatus for a seat assembly for a vehicle is provides and includes a latching component attached to one of a stationary part or a movable part of a seat assembly, a receiving component disposed on the other of the stationary part or the movable part of a seat assembly, wherein the latching component engages the receiving component, and an activation component that activates the latching component. Upon activation of the locking device, the latching component engages the receiving component thereby locking the movable part to the stationary part in a collapsed state thereby reducing vibrational noise caused by the movable part during operation of the vehicle.
Abstract: A bracket for connecting an after-treatment component to a frame is disclosed. The bracket may have a clevis connectable to the after-treatment component. The bracket may also have a front link coupler. The front link coupler may have a tang connected to the clevis. The front link coupler may also have a first flange extending outward from the tang and a second flange extending outward from the tang opposite the first flange. In addition, the front link coupler may have a third flange spaced apart from the first flange and extending outward from the tang and a fourth flange spaced apart from the second flange and extending outward from the tang opposite the third flange. The first, second, third, and fourth flanges may be connectable to the frame.
Abstract: A portable sign including three legs movable between deployed and collapsed positions and a flexible covering bearing text, graphics or both includes a biasing mechanism urging the legs toward the deployed position. A support within the biasing mechanism secures three springs with the coils facing outward, one extension from each spring embedded in an upper support member and another extension movable within a plane tangential to a periphery of a lower support member and received by a hollow portion of one of the legs.
Abstract: A vibration isolation assembly is disclosed. The vibration isolation assembly comprises a first body member, a second body member, a first isolation member, a second isolation member, and a least one fastener. The first and second body members are configured to matingly engage one another and the first and second isolation members are partially retained by portions of the first and second body members, respectively. The fastener serves to securing the first and second body members together.
Abstract: A bracket assembly for a car shaker vibrator that includes a vibrator mounting member that is pivotally connected by a pivot pin, in a hinged or clevis arrangement, to a wedge member. The wedge member includes the male portion of a Gardner type bracket that is adapted for engaging a mating female portion that is mounted on a railroad car. The vibrator mounting member may be selectively rotated between a first position and a second position. The vibrator mounting member is retained at the first position by a locating pin during the emptying of a railroad car during the selective operation of the car shaker vibrator. The vibrator mounting member is retained at the second position by the locating pin when the dislodgement of the male portion from the female portion is desired together with the selective and subsequent operation the car shaker vibrator. An intermediate position may be provided between the first position and the second position and used when needed.
Abstract: A damped sleeve having a damping layer attached to a backing layer is disclosed. The damping layer is formed from a non-woven energy absorbing felt and is attached to the backing layer by lines of attachment which define pockets between the layers. The layers are positioned coaxially around an axis and define a central space for receiving elongated items to be protected from vibration. Resilient filamentary support members are arranged between the damping and backing layers to support the layers radially in spaced relation relative to the axis. The support members may be helically wrapped around the axis, circumferentially positioned or arranged in a zig-zag pattern transversely to the axis. A slit in the layers provides access to the central space.
August 8, 2002
Date of Patent:
April 12, 2005
Federal-Mogul World Wide, Inc.
Samuel B. Fryberger, Jr., Brian M. Snyder
Abstract: A universal mounting assembly for mounting exhaust pipe components to several different types of motor vehicles includes a bracket body having a mounting portion, an intermediate portion, and a support portion. The mounting portion has a first aperture and a second aperture spaced from the first aperture. The support portion includes a planar member, a first aperture located in the planar member, and a second aperture located in the planar member with the second aperture being spaced from the first aperture. First and second fasteners extend through the first and second apertures of the mounting portion for securing the mounting portion to a structural portion of an associated vehicle. The mounting portion is located in a first plane with the support portion being located in a second plane spaced from the first plane. The first and second planes are approximately aligned with the second plane being oriented at, at most, an acute angle in relation to the first plane.
Abstract: A flexible pivot with internal pivoting axis comprises two stages that are symmetrical with respect to a median plane perpendicular to the pivoting axis and separated by an external circular recess containing the median plane, each stage comprising an outer annular interface connected by a plurality of radial, flexible guiding arms to a common intermediate cylinder having an axis that is the same as the internal pivoting axis.
July 16, 1999
Date of Patent:
July 31, 2001
CSEM Centre Suisse d'Electronique et de Microtechnique
Pierre-Marcel Genequand, Philippe Schwab
Abstract: A vehicle seat mounting mechanism including oppositely disposed pairs of parallel links between a base and a seat carrier, and a first air bag spring operatively connected between the base and the links for absorbing vertical-upward motion induced by road shocks, and a second air bag spring secured between the base and the seat carrier for absorbing vertical-downward motion induced by road shocks. A separate shock absorber mounted between the base and the seat carrier serves to dampen the springing action of the first and second air bag springs.
November 17, 1995
Date of Patent:
September 30, 1997
Delbert D. DeRees, Kanaiyalal C. Mehta, Robert A. Vetter, Howard W. Meyer
Abstract: An exhaust muffler support apparatus is disclosed including a bracket assembly for clamping at least one end of the muffler to an exhaust pipe and a vehicle mount for mounting the bracket assembly on the vehicle, such as a truck cab. The vehicle mount includes a mounting plate and a pair of tab members formed integral therewith and extending laterally thereto for supporting a mounting shaft. A support arm having one end pivotally attached to the mounting shaft and its other end pivotally connected by a connector shaft to the muffler bracket assembly enables the bracket assembly to pivot about the two axes of such shafts. A shock absorber sleeve of elastomer surrounds the mounting shaft to reduce vibration and noise and to extend the life of the muffler support apparatus. Each bracket assembly includes two pairs of clamp members which are urged together by threaded bolts.
Abstract: An external rearview mirror for motor vehicle has a housing and a mirror support plate connected in the housing so as to be pivotable about two axes perpendicular to one another. A pivot joint is connected to the mirror support plate for pivoting the mirror support plate. An actuating lever for pivoting the mirror support plate is provided. Two push rods are pivotably connected with a first end to the mirror support plate at a distance from the pivot joint. An intermediate lever is pivotably connected to the actuating lever and to the push rods. The intermediate lever has a transverse rod with two ends in the form of bearing balls. The push rods have at a second end thereof a bearing cup, wherein each bearing ball of the transverse rod rests in one of the bearing cups.
Abstract: An convertible automotive vehicle having a unibody chassis with a single mass damper for reducing perceptible passenger compartment vibrations is disclosed. The single mass damper is uniquely tuned to the overall vehicle frequency response and suspended between a rail adjacent to a front suspension assembly and a bumper mounted to the rail with an energy absorbing device.
Abstract: The present invention is concerned with the improvement of bearings for use in supporting bridges or large-scale buildings. The invention comprises combining the advantages of a conventional metal bearings with synthetic rubber bearings to improve vertical resistance as well as horizontal and torsional rigidity under reciprocal seismic load. Relatively simple and inexpensive products are used to produce the invention.The invention is formed with the multilayer pattern of having metal plates as a bearing unit and metal bars, located in the center of the bearing unit, which anchor the top and bottom bearing plates so as to limit horizontal displacement. It utilizes synthetic rubber for sealing bearing units to protect the metal bearing units from corrosion.
Abstract: A seat suspension for resiliently mounting a seat for vertical floating movement between upper and lower positions comprising a base part mountable on a vehicle and a seat support part on which the seat is mounted. The base part has lower front and rear pivot axes and the seat support part has upper front and rear pivot axes that are vertically spaced apart. Front and rear links are pivotally interconnected respectively between the upper front and lower front pivot axes and the upper rear and lower rear pivot axes. An extension spring is located between the base part and the seat support part and is oriented so that its line of force is generally horizontal.
Abstract: A vibration damper for damping roll vibration of a power unit mounted on a vehicle body. The vibration damper is composed of a disc plate fixedly connected to the power unit in a manner that the axis of the disc plate is generally parallel with a roll axis of the power unit. The disc plate is sealingly disposed in a chamber formed in a generally circular casing which is coaxial with the disc plate. A viscous fluid is filled in a space defined between the disc plate and inner surface of the casing. The casing is formed of a plastic which has a higher linear expansion coefficient than a metal forming the disc plate, thereby allowing the space filled with the viscous fluid to expand along with thermal expansion of the viscous fluid.
December 3, 1990
Date of Patent:
April 14, 1992
Nissan Motor Co., Ltd., Oiles Corporation
Abstract: For use, for example, in mounting a personnel accommodation module on an offshore drilling rig to attenuate the transmission of vibration use is made of an anti-vibration mounting comprising a rigid fluid container having an opening, a rigid support member for closing at least a part of that opening, a flexible seal comprising at least one element of elastomeric material arranged to extend between confronting surfaces of the fluid container and rigid support member thereby to form a fluid chamber within the anti-vibration mounting, liquid supply passage for the flow of liquid to and from that chamber, and gas supply passage for the flow of gas to and from that chamber, the liquid and gas supply passage being independent of one another whereby the quantities of liquid and gas within the chamber may be varied independently by flow through the passage.
Abstract: A power unit support structure of a motorcycle having a power unit and a frame structure including a support member having a rear end portion terminating in conjunction with the power unit which comprises an elongated swing member positioned between the power unit and the rear end portion of the frame structure and having at one end thereof pivotally connected with the power unit. A pivot support assembly is provided on the rear end portion of the frame structure for pivotally supporting the elongated swing member. A pair of rigid arms is provided each of which is fastened onto the swing member at one end thereof. The rigid arms are associated at the other ends thereof with the rear end portion of the frame structure by way of damper means for dampening the swing motions of the swing member.
Abstract: A power-unit support structure of a motorcycle having a power unit and a frame structure including a tubular member having a hollow rear end portion, comprising a rigid bracket member secured to the tubular member and positioned in the vicinity of the rear end portion of the tubular member, a first pivot assembly positioned between the power unit and the tubular member and pivotally movable about an axis fixed with respect to the frame structure, a second pivot assembly mounted on the power unit and pivotally movable about an axis fixed with respect to the frame structure and parallel with the axis of pivotal motion of the first pivot assembly, rigid connecting members providing connection between the first and second pivot assemblies, a damper assembly rigidly connected to the first pivot assembly and elastically engaging the rear end portion of the tubular member.
Abstract: A floor system for seismic isolation comprises a floor member disposed above a foundation, a plurality of supports for supporting the floor member in a manner to be movable in a horizontal direction and a number of restoring devices disposed between the foundation and the floor member and each comprising first and second restoring units. The first and second restoring units have the same structure and are arranged in the directions perpendicular to each other.
Abstract: A floor structure for reducing vibration comprises a panel for mounting a load thereon and a plurality of shock absorbers elastically supporting the panel over a base floor, each shock absorber comprising a base plate slidably mounted on the base floor, a longitudinal spring fitted between the panel and the base plate and a damper swingably connected at respective ends thereof to the panel and the base plate respectively. At least one of the shock absorbers includes a plurality of horizontal springs normally maintaining such shock absorber at a predetermined position with respect to the base floor.
Abstract: A vibration damping mechanism particularly useful for accommodating both gradual displacements of piping or similar structures such as can be caused by thermal deformation and rapid vibrations such as can be caused by earthquakes or other externally applied forces. The mechanism comprises two housing portions movable relative to each other, one of the housing portions being attached at one end thereof to a stationary structure, such as a wall of a buidling, while the other housing portion is attached to a section of piping whose movement is to be damped. Substantially concentric wheel members are disposed internally of one of the housings, the wheel members being spring-biased relative to each other, to absorb both gradual and rapid displacements of the piping relative to the stationary structure.
Abstract: A leaf-spring supported, free-floating rocker undercarriage for a swivel chair wherein the spring flexural axis corresponds to and the swivel axis intersects with the rocking axis of the chair for support of the same.