Abstract: An improved damper, of the type comprising elements for progressively resisting, in exponential manner, the advance of a piston under the effect of a force of axial compression, which functions as a stop opposing any displacement of the piston beyond a predetermined value, in an intervertebral stabilization device.

Abstract: An automotive suspension strut upper mounting arrangement providing a one-piece elastomeric block isolator adapted for enclosure in a two-piece housing comprising upper and lower closure members. The isolator, which has a central generally tubular shape, is molded with an upper jounce collar and a lower rebound collar. A continuous internal radially extending tuning groove is formed in the jounce and rebound collars. By varying the axial dimension of the grooves the mount axial spring rate may be fine tuned to smoothly receive axially imposed suspension loads. Additionally, the isolator body outer surface may formed with a plurality of recesses defining predetermined voids providing selective tuning of laterally imposed suspension loads.

Abstract: Apparatus is provided for isolating a sensor from a vibrating surface. The sensor has first and second spaced surfaces, a bore extending between the surfaces and a groove in the second surface. The apparatus includes a flanged sleeve adapted to extend through the bore to the vibrating surface. The sleeve is sufficiently long when extending through the bore to provide a first gap between the vibrating surface and the second surface of the sensor and sufficiently narrow when extending through the bore to provide a second gap between the sleeve and the sensor. The flange overlays the first surface of the sensor and the second gap. The apparatus also includes a bolt, which extends through the bore and into engagement with the vibrating surface, for attaching the sleeve to the vibrating surface. The apparatus also includes a first O-ring positioned between the first surface of the sensor and the sleeve flange and a second O-ring positioned in the groove of the second surface.

Abstract: A rubber-metal bushing includes a seamless inner metal DOM tube surrounded by an elastomer cylinder. A flanged ferrule is press fit into one or both ends of the tube so that the flange engages an end portion of the cylinder. The bushing is cost reduced by replacing the DOM tube with a seamed tube formed from flat stock. An adhesive at the tube-ferrule interface maintains the two elements together.

Abstract: An automotive suspension strut upper mounting assembly providing increased stroke length and enhanced spring rate tunability with the major working area of the mount being located above the body panel attachment surface. The mount comprises a housing including upper and lower closures readily assembled to enclose a composite isolator mount comprising an inner metal cup bonded to an outer elastomeric ring. The composite ring has a concentric sleeve embedded therein defining inner and outer body portions providing an increased spring rate for stiffening lateral vehicle motion caused by handling maneuvers. The inner and outer body portions are each formed with a pair of diametrically opposed fore and aft voids selectively reducing the spring rate thereby softening longitudinally imposed impact loads.

Abstract: A cylindrical damping bushing for securing a rod-shaped vibrating body to a base. The bushing includes a cylindrical vibration-damping rubber body having an inner bore through which the vibrating body is inserted. An upper side surface thereof comes into contact with the base while the remaining outer side surface thereof is retained by a bracket which is secured to the base. First and second insert members, each having a rigidity greater than that of rubber, are respectively embedded in the axially central portion of the rubber body, except for both axial end portions thereof, in symmetric relation with each other with respect to the inner bore of the rubber body. The first insert member has a flat upper surface and an arc-shaped lower surface. The flat upper surface of the first insert member is flush with the upper side surface of the rubber body while the arc-shaped lower surface thereof is close to the inner bore within a predetermined interval.

Abstract: A slipper bushing is described as being comprised of a number of succeedingly larger cylindrical sleeves, beginning with a rigid, inner sleeve, followed by a polymeric sleeve, then a resilient elastomeric sleeve, and finally, a rigid, outer sleeve. The inner cylindrical surface of the elastomeric sleeve abutting the outer cylindrical surface of the polymeric sleeve, is provided with a number of circumferentially oriented grooves. A lubricant is placed between the interfaces of the polymeric and elastomeric sleeves and moves into and out of the grooves, as the bushing operates. End caps are used at the flange and barrel ends of the slipper bushing to cover the sleeves and seal the interfaces between them from contaminants.

Abstract: A compression-adjustable bicycle shock-absorbing apparatus includes an upper tube telescopically received in a lower tube. A plurality of compressive units are positioned inside the upper tube. A socket bolt member having a socket portion and a rod portion is mounted on a mount member of the lower tube by its rod portion while allowing its socket portion to be slidably received in a lower portion of the upper tube and to contact against a bottom one of the compressive members. An adjusting device is allowed to adjust the initial compression of the shock-absorbing apparatus. When the bicycle receives a shock from an uneven terrain, the upper tube slides downward inside the lower tube while the compressive members therein will be compressed, thereby absorbing the shock.

Abstract: An assembly and a method for quickly mounting a damper to a support structure in a vehicle includes an upper mount assembly mounted on a piston rod of a damper prior to assembly of the damper to a mounting tower. As the piston rod is guided through an opening in the mounting tower, a resilient ring is compressed until it passes through the opening. When the ring clears the opening, it expands radially outwardly to a diameter greater than the diameter of the opening, thereby quickly mounting the piston rod and damper to the vehicle.

Abstract: An engine mount for mounting an automotive vehicle engine to the automotive vehicle chassis. The mount comprises a vibration isolator portion which is designed with relatively low stiffness to provide increased vibration isolation. Excessive displacements are avoided by snubbers. Snubbing action in one direction is provided by a circular snubber that is disposed in spaced relation to the vibration isolator portion. Snubbing action in other directions is provided by the particular design of the vibration isolator portion. Embodiments of both a front and a rear engine mount are disclosed.

Abstract: A resilient connecting device between an internal combustion engine and an intake pipe thereof comprises an annular cushion of resilient material and two mounting elements that are coaxial with it and fastened to the components being connected. The cushion is axially demarcated at each face by supporting surfaces that extend essentially perpendicular to its axis. The mounting elements overlap and contact the supporting surfaces. A cup spring, made of a material that does not creep, is aligned with the ring.

Abstract: A sleeve and bushing assembly for mounting a shock absorber to a motor vehicle and reducing road vibration experienced by the motor vehicle, as well as a method of manufacturing the assembly. The sleeve and bushing assembly includes an elastomeric bushing having first and second ends and an axial bore extending therebetween. A tubular cylindrical sleeve extends through the axial bore and terminates in a first shoulder at one end thereof and in a second shoulder and neck portion at the other end thereof. A first retaining washer is mounted on the sleeve adjacent the first shoulder and the first end of the bushing. A second retaining washer is mounted on the sleeve adjacent the second shoulder and its neck portion of the second end of the bushing. A spacer ring is mounted on the sleeve's neck portion adjacent to the second retaining washer.

Abstract: A bellows shaped compression spring having a variable spring rate and formed of an elastomer having tensile characteristics such that the ratio of plastic strain to elastic strain is greater than 1.5 to 1, said spring being particularly adapted for use in the strut assemblies of light weight, low profile automobiles for minimizing noise, vibration and impact forces otherwise transmitted from the wheel to the vehicle body.

Abstract: Disclosed is a rubber bushing which includes an inner cylindrical member including irregularities formed on a part of an outer peripheral surface thereof, a ring made of resin, the ring disposed integrally on the outer peripheral surface on which the irregularities are formed, and the ring having an anomalous shape which is formed anomalously in radial directions with respect to a cylindrical axis of the inner cylindrical member, an elastic member made of rubber, the elastic member formed outside the inner cylindrical member, and an outer cylindrical member connected to the inner cylindrical member by way of the elastic member. Thus, the rubber bushing has an enhanced ratio of the spring characteristic in the axial direction with respect to the spring characteristic in the direction perpendicular to the axial direction. The rubber bushing having such an excellent spring characteristic can be mass-produced without increasing the conventional production cost.

Abstract: A structure of a vehicle includes a cross member which constitutes a part of a vehicle body. A rear suspension unit mounted on the cross member has two front and two rear suspension-supporting insulators and a transverse leaf spring. A spring support member for supporting the transverse leaf spring is secured to the vehicle body and positioned below the cross member. Two rear suspension-supporting bolts have upper end portions secured to the cross member, lower end portions secured to the spring support member, and middle portions secured to the rear suspension-supporting insulators of the rear suspension unit.

Abstract: An automotive power transmission mount is described as having resilient elastomeric springs radially disposed with a non-rigid intermediate mass which has its own spring rate and an outer member which is also of a non-rigid construction. The resilient elastomeric springs are located about a rigid, inner, hollow, metal core.

Abstract: A mounting to hang an engine to a frame, adapted to insulate the frame from predetermined high-frequency and small-amplitude vibrations. The mounting comprises an envelope, a cover in the form of an elastomeric diaphragm associated with the side walls of the envelope, a pin adapted to receive the engine weight, engagement parts connecting the envelope to the frame. The mounting is comprised of a rocking system consisting of two masses and three elastomeric bodies with rigidities K2, K3, K4. The two masses are connected to each other by one elastomeric body and are in parallel to the elastomeric diaphragm being connected to the pin and envelope by interposition of the two other elastomeric bodies. The diaphragm and the parallel system when high-frequency and small-amplitude vibrations occur, give rise to a dynamic rigidity defined by two peaks and a valley therebetween; one of the peaks has a lower height than the other.

Abstract: A cylindrical elastic mount with a vibration damper, including radially spaced-apart inner and outer sleeves, an elastic body interposed between the inner and outer sleeves so as to elastically connct the two sleeves, and a generally cylindrical rigid split member disposed between the inner and outer sleeves and elasticallly supported by the two sleeves through the elastic body, such that the elastic body is divided by the rigid split member into radially inner and outer portions. The rigid split member and the elastic body cooperate with each other to provide the vibration damper. The generally cylindrical rigid split member consists of a plurality of rigid segments which are embedded in the elastic body such that adjacent segments of the plurality of rigid segments abut on each other at circumferentially opposed end faces thereof so as to assume a generally cylindrical shape.

Abstract: A slipper bushing assembly includes a rigid, inner cylindrical member, a hollow, concentric cylindrical elastomeric member having flanged ends force-fitted to the inner member and in sliding contact with the lubricated inner surface of concentric rigid polymeric outer member having recessed end portions to receive the flanged ends of the elastomeric member. The assembly is provided at each end with flanged tubular end caps press-fitted to the inner surface of the inner member to effect a seal of the lubricated interface.

Abstract: A shock absorber mount for an automobile is described as having a pair of concentrically disposed pressed fittings in abutting end-to-end relation. Each fitting includes a pair of radially spaced, cylindrical metal sleeves separated by a rubber insert which has an inwardly directed annular cavity or void which confronts an annular cavity in the opposed pressed fitting.

Abstract: A vibration-isolating mount for heavy machinery, such as bus engines, large electrical motors, and similar rotating machinery, comprising a first soft urethane body having fan annular shoulder which rests on the surface of the vehicle frame and a cylindrical neck which has an axial length that extends into a hole in the frame. The mount also has a second soft urethane body having an annular shoulder which rests on the opposite surface of the frame and a cylindrical neck which has an axial length that extends into the hole from the opposite surface of the frame. The axial length of the neck of the first body is substantially less than the axial length of the neck of the second body with a total length of the first neck and the second neck being equal to the axial length of the hole in the frame. The mount additionally has a hard urethane sleeve for adding rigidity to the first and second bodies.

Abstract: A buffer cartridge for absorbing energy having a hydraulic component coupled with an energy-absorbing material component, the hydraulic component having a cylinder-piston arrangement, the cylinder being surrounded by a stack of pads made from resilient energy-absorbing material, each pad being separated by a spacer. The free end of the piston emerging from the cylinder is connected to an intercoupling member which can simultaneously apply a force to both the piston and the stack of pads. A stretchable accumulator seal surrounds a piston rod within the cylinder and provides a sealing sliding path for the piston rod to isolate the moving portion of the piston rod from hydraulic fluid. The piston rod terminates in a piston having a piston hub encapsulated in resilient material and provided with orificed passageways for flow of fluid to both sides of the piston.

Abstract: Elastic bearing comprising an inner bushing and an outer bushing located at some distance from it, and an elastic part inserted between them, whereby between the elastic part and at least one surface of one of the bushings, there is lubricant in a cavity, the bushings and elastic part being rotatable relative to one another. To increase the useful life and to guarantee correct lubrication, in the cavity the elastic part has elevations on its surface, which are arranged to guarantee a proper distribution of the lubricant.

Abstract: An elastomeric mounting comprises an annular elastomeric diaphragm shaped to deform by both bending and shear over a normal working range to accommodate relative longitudinal movement between two members between which the diaphragm is located. The diaphragm is provided in combination with elastomeric axial buffer operable to restrain relative movement of the interconnected members outside the normal working range and elastomeric transverse load bearing to restrain relative transverse movements.

Abstract: A bush assembly includes an inner cylindrical member for supporting an elongated member, a rigid sleeve slidably fixed to the outer surface of the inner cylindrical member via a slipping member, and an outer cylindrical member fixed to the outer surface of the rigid sleeve via an elastic member. The rigid sleeve has a greater diameter portion at one end thereof so that an annular space is formed between the greater diameter portion and one end of the inner cylindrical member. The bush assembly further includes a sealing member which is disposed in the annular space for preventing muddy water or the like from getting into the interfaces between the slipping member and the inner cylindrical member and between the slipping member and the rigid sleeve. The elastic member has a radially extending projection for interrupting muddy water or the like getting into the interface between the outer cylindrical member and a member which is to be connected another member via the bush assembly.

Abstract: A cylindrical vibration damping bushing is provided which has an outer cylinder, an inner cylinder coaxially disposed within the outer cylinder, and having a radially outwardly expanded portion in its axially central portion, a pair of vibration damping rubber members press-fitted between the outer cylinder and the inner cylinder from both ends of the outer cylinder, and a pair of inserts, each being made of a resin material having good slidability and embedded in an inside end portion of each vibration damping rubber member so that an inside end surface thereof abut on each other. Each insert has a concave surface having a configuration conforming to that of the spherical outer surface of the expanded portion of the inner cylinder to enable the inserts to be slid on the spherical outer surface of the expanded portion.

Abstract: A bumper rubber is disclosed and includes: a bumper rubber body being elastically deformable and having a substantially cylindrical shape, wherein the bumper rubber body is inserted into a rod extending from a top end portion of a cylinder of a shock absorber, a top end surface thereof is brought into contact with a bottom end portion of a suspension insulator disposed on a vehicle body, and a bottom end surface thereof is brought into contact with a top end portion of the cylinder, thereby being elastically deformed and absorbing the excessive displacements of the shock absorber; and a rigid ring integrally insert-molded on an outer periphery surface of the bumper rubber body and having an engagement groove on an exposed outer periphery surface thereof to be engaged with a dust cover, and the engagement groove going round on the exposed outer periphery surface of the rigid ring in a ring-like shape.

Abstract: A fixation element and a method for producing such fixation elements for a vibration-insulating assembly of a first component 20 upon a second component 19 is disclosed. The fixation element comprises bearing plates 10, 11 which are positioned at a distance axially spaced from each other and which have projecting snap-in members 13, 18 which are intended to engage corresponding openings defined within each component 19, 20, so that the two components are made to bear in a stable manner against the bearing plates 10, 11. In this respect the snap-in members 13, 18 form an integral part of each bearing plate 10, 11. Moreover, the plates are mutually connected by means of a bridging part 12 of elastomeric plastic material. According to the method, the bearing plates are cast as a single piece 21 within a first casting mold, such that they are connected by at least one breakable bridge 22. The single piece 21 is placed within a second casting mold consisting of two halves 23, 24.

Abstract: A fluid-damped resilient bush, e.g. for use in a vehicle suspension comprises an outer sleeve and an intermediate sleeve between which a rubber bush is moulded as a one-piece moulding. Cavities are formed between the intermediate sleeve and an inner member, which is mounted within the one-piece moulding and sealed to the one-piece moulding by axially separate annular areas of the moulding which engage but are not bonded to the inner member. The cavities communicate with one another and are filled with damping fluid, the arrangement being such that displacement of the outer sleeve relative to the inner member causes displacement of fluid between the cavities.

Abstract: A tiltable element, e.g. an operator's cab, is resiliently supported on a body frame by a plurality of pivotable mounting devices. Each device comprises a pair of parallel bracket members and a support element. The support element and the bracket members have coaxial openings therethrough with a generally cylindrical shaft positioned in the openings. The shaft has first and second externally threaded end sections and an intermediate section. The diameter of the first end section is greater than the diameter of the intermediate section so as to form a first shoulder therebetween. The opening in one bracket member has internal threads to matingly receive the threads on the first shaft end section. An annular shell has an inner diameter at least as large as the diameter of the intermediate shaft portion and less than the diameter of the first shaft end section. An annular resilient sleeve is mounted between and in contact with the annular shell and the support element.

Abstract: Rubber sleeve spring with an hydraulic damping, including two connecting pieces which enclose one another in a relationship parallel to their axes and are radially spaced apart and, in which, in the gap formed by this space, there are two spring bodies successively disposed in radial direction and preferably made of a rubber elastic material of which the external spring body encloses liquid filled chambers with a basically cross-like configured profile. At least two chambers of the external spring body which are opposite to one another are connected via a dampening opening and an intermediate mass is provided between the external and the internal spring body. The intermediate mass comprises two opposing half shells 7.1, 7.2 associated with the vertical center plane of the external spring body 4 in a mirror-inverted relationship. The half shells 7.1, 7.

Abstract: A vehicle suspension system includes an arm member whose outer end is connected to a wheel and whose inner end is connected to the vehicle body by way of front and rear rubber bushings at positions spaced from each other in the longitudinal direction of the vehicle body so that the arm member can vertically rotate relative to the vehicle body. Each of the front and rear rubber bushings has an outer tubular member which is substantially cylindrical and extends in the longitudinal direction of the vehicle body, an inner tubular member which is received in the outer tubular member substantially coaxially therewith, and a rubber member interposed between the inner and outer tubular member. One of the inner and outer tubular members is connected to the vehicle body and the other is connected to the suspension arm.

Abstract: A suspension system for a vehicle includes a suspension arm. The outer end portion of the suspension arm is connected to a wheel support for rotatably supporting a wheel. The inner end portion of the suspension arm is bifurcated and has first and second branch arms spaced from each other in the longitudinal direction of the vehicle body. Each of the inner end portions of the first and second branch arms is supported by a slide member so that the inner end portion is slidable relative to the vehicle body in the longitudinal direction of the same. A coil spring is provided for at least one of the first and second branch arms and urges forward the suspension arm. A stopper defines the foremost position of the suspension arm which is urged forward by said coil spring.

Abstract: An insulator device for a strut type suspension system of an automobile includes a rubber member disposed between a bearing case and an insulator housing and having an asymmetrical configuration so as to become a larger outside portion thereof than an inside portion thereof and a smaller spring constant of the inside portion thereof than an outside portion thereof so that the moving centrode of the car wheels relative to the car body can be controlled by the displacements of the bearing case since a camber is increased in the negative direction upon encountering a bumping of the car, thereby increasing the tread.

Abstract: A top cap and housing cooperate to create an internal void wherein is located two elastomeric springs, one on top of the other. Two different solid stop systems are incorporated into the top and housing. An interlocking system also movably secures the top cap and housing such that the two thermoplastic elastomeric springs can be subjected to a preload. The thermoplastic elastomeric springs are designed and housed so that through a cycle from free height to solid height they are folded and flexed rather than compressed.

Abstract: A resilient mounting intended primarily to withstand compressive loading is of a tubular and interleaved construction comprising a pair of end plates and an intermediate annular plate which serves to stiffen a tubular elastomeric body provided between the end plates. A buffer member is secured to one of the end plates and extends longitudinally within the tubular body to lie normally free from contact with the tubular body. A protective cushioning layer provided between the buffer member and internal edge of the intermediate plate prevents direct contact between the buffer member and intermediate plate under transverse load.

Abstract: A rear axle suspension for a motor vehicle with a wheel guide member retained directly at the wheel carrier which includes a first wheel-outer guide arm and a second wheel-inner guide arm. Both guide arms are pivotally connected at the vehicle body by way of elastic joints, whereby one joint of the first guide arm is constructed yielding longitudinally and together with the further elastic joint of the second guide arm forms an approximately transversely extending guide rotary axis and an imaginary wheel guide pole to the rear of the axis of rotation of the wheel and outside of the track width. The wheel guide member includes a spring strut connected with the guide body by way of a wheel-adjusting device which is constructed as part of a wheel inner guide member and is positioned obliquely to the vehicle longitudinal center axis. The spring strut has as part of the wheel inner guide member a smaller length than an adjoining rigid guide member part of the guide member.

Abstract: A device for changing the axle orientation in a balance beam suspension operates by introducing a variable axial eccentricity between an axle carrier and the beam hanger to vary the amount of yaw on the axle to enable the wheels on the axle to be oriented in alignment with the vehicle axis.

Abstract: An elastomeric spring useful as an automotive shock or strut end-of-travel bumper having at least three distinct spring rates made possible by a series of roughly cylindrical, hollow elastomeric tubes stacked with the axes of the tubes normal to the axis of deflection of the spring. The tubes collapse sequentially to yield multiple spring rates. Non uniform wall thickness tubes, roll axially over the outer peripheral surface of the thicker walls of adjacent tubes during deflection.

Abstract: A vibration damping insulator for supporting a structural member on a vehicle chassis. The insulator comprises a first tubular member connected to said structural member, a second tubular member disposed coaxially within the first tubular member and connected to the vehicle chassis, a first elastomeric body interconnecting the first and second tubular members and arranged to undergo shear when the tubular members are displace in one direction and compression when the tubular members are displaced in a second direction relative to each other, a stiffening plate disposed in the first elastomeric body between the first and second tubular members, a vibratable mass, and a second elastomeric body separate from the first elastomeric body and interconnecting the vibratable mass and one of the tubular members. The second elastomeric body and the vibratable mass define a dynamic damper having a resonance characteristic which suppresses transmission of vibration from the structural member to the chassis.

Abstract: A suspension including a swing arm extending in a longitudinal direction of a vehicle and swingably connected with a vehicle body at a joint portion through a connecting member. The suspension comprising a joint structure between the joint portion of the swing arm and the connecting member for allowing a swingable movement of the swing arm in both vertical and horizontal directions relative to the vehicle body and a damping member provided in the connecting member for absorbing a vibration of the swing arm in the longitudinal direction.

Abstract: A mounting mechanism which directly connects a compressor of an automotive air conditioning system to an automobile engine. A flange portion projects from an outer peripheral surface of the compressor and bolt-nut mechanisms connect the flange portion of the compressor to the automobile engine. The flange portion has at least one first hole having a vibration absorbing coupling mechanism disposed therein. The coupling mechanism includes at least one cylindrical bushing which is fixedly disposed within the first hole and includes an outer cylinder, an inner cylinder and a vibroisolating rubber member which is fixedly disposed between the outer and inner cylinders by adhesion. At least two attaching members having cylindrical portions with holes for receiving a bolt-nut mechanism, are provided with bars which are securedly inserted into the bushing inner cylinder.

Abstract: A hydraulically damped elastic sleeve spring comprises an inner tube, an outer tube enclosing the former at a radial spacing and a spring body of rubber or similar elastic material that is adhesively connected to the tubes in the gap formed therebetween. The spring body comprises a partition forming at least two chambers disposed one behind the other with respect to the plane in which the force to be damped is applied. The chambers are separated by the partition, filled with liquid and connected to each other via at least one choke opening. The partition may comprise two sections that bridge the gap on both sides of the inner tube in a direction essentially transverse to the force application direction. At least one of the partition sections is stiffened against transverse displacement by a reinforcement body that may be formed as a column. The reinforcement body may extend at a radial distance from the inner and the outer tubes parallel to the longitudinal extent of the tubes.

Abstract: A high-capacity elastomeric combination journal-thrust bearing comprises at least one encapsulated lobe. The encapsulated lobe comprises an outer tubular member having a first ring joined along substantially all of its outer periphery to the inner periphery of the outer tubular member at a first end and having a second ring joined along substantially all of its outer periphery to the inner periphery of the outer tubular member at a second end. The encapsulated lobe further comprises an inner tubular member having the same longitudinal axis of the outer tubular member, and having a third ring joined along substantially all of its inner periphery to the outer periphery of the inner tubular member, spaced between the first and second rings. An elastomer separates and joins the rings to each other and to the tubular members, and the tubular members to each other. As the radial distance from the longitudinal axis increases, the thickness of the elastomer increases.

Abstract: A liquid-filled rubber cartridge spring is composed of an outer tube and a window tube which are mounted statically at rest one inside the other and together define a gap which is sealed at both ends by rings of elastic material adhesively bonded to the window tube and/or to the outer tube. The rings are disposed at the end faces of the window tube and the outer tube has inwardly turned flanges over-reaching the sealing rings and pressing compressively against the latter.

Abstract: The present invention features an insulator unit for supporting a suspension arrangement on a chassis or the like. The main elastomeric body of the insulator is arranged to have sufficient rigidity as to limit the displacement of the suspension with respect to the chassis. The device further includes a vibratory mass or masses which upon being excited cancel vibrations which would otherwise be transmitted through the main elastomeric member.

Abstract: A molecular joint for axle struts, connecting rods, and similar parts of motor vehicles comprising a substantially cylindrical housing having a joint pivot lying approximately in the middle axis of the housing, and a sleeve-like joint body of an elastomer material, which is arranged between the housing and the joint pivot and adheres to both, with a prestressing. On the inner surface of the housing, there is provided a material recess in a central or middle zone, which reduces the prestress of the sleeve-like joint body in this zone an thereby produces a progressive characteristic of the molecular joint in the direction of loading.

Abstract: A fluid filled resilient bushing assembly for rotary vibratory motion control, particularly adapted for use in a joint between a motion inducing member and a base member, having an elongate outer rigid sleeve member, an elongate inner rigid member rotatable with respect to the outer rigid sleeve member and a resilient means interposed between the inner and outer members. The resilient means defines at least two spaced chambers interconnected by an elongate restricted passageway filled with incompressible fluid. The bushing assembly further has a pressure differential inducing means creating a differential in the fluid pressure of the chambers due to the rotary motion of the inner rigid member to permit contraction of one of the chambers, expansion of the second chamber and fluid flow therebetween providing damping of the rotary vibratory motion.

Abstract: A fluid-filled resilient bushing having inner and outer sleeves, and a resilient member interposed between the inner and outer sleeves for primarily damping and isolating vibrating applied in a first diametric direction of the bushing. The bushing has a pair of first fluid chambers disposed in mutually opposed relation with each other in the first diametric direction, a pair of second fluid chambers disposed in mutually opposed relation with each other in a second diametric direction perpendicular to the first diametric direction, and at least one orifice through which the pair of first fluid chambers communicate with each other, so as to permit a working fluid to flow between the first fluid chambers upon application of the vibrations.

Abstract: A device for changing the axle orientation in a balance beam suspension operates by introducing a variable axial eccentricity between an axle carrier and the beam hanger to vary the amount of yaw on the axle to enable the wheels on the axle to be oriented in alignment with the vehicle axis.