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| Number | Title | Issue Date |
| 7234693 | Bearing for a motor vehicle Bearing for a motor vehicle, with an inner part 1 with an outer surface 7 having a first undulated contour 10 extending in a longitudinal direction L, an outer sleeve 2 surrounding the inner part 1 and having an inner surface 11... | 06/26/2007 |
| 7207583 | Spacer apparatus for suspension beam bushing assemblies A spacer apparatus for insulating a beam bushing assembly of an axle/suspension system from direct metal-to-metal contact with the vehicle frame hanger on which the assembly is pivotally mounted. In one embodiment, an integrally-formed one-piece apparatus includes a... | 04/24/2007 |
| 7144031 | Suspension isolator equalizer An isolator for use in a suspension system includes a front shaft and a rear shaft. A front spring arm and a front transitional arm are mounted to the front shaft. A rear spring arm and a rear transitional arm are mounted to the rear shaft. A resilient member is mou... | 12/05/2006 |
| 7000940 | Equalized rear suspension for multi-use vehicle An equalized suspension system for a vehicle includes a first trailing arm, a second trailing arm, first and second wheels, and a cushion. The first trailing arm has a lower end pivotally secured to the first wheel, and an upper end pivotally secured to the frame. T... | 02/21/2006 |
| 6478321 | Rubber shear spring assembly for tandem axle trailer A rubber shear spring assembly for mounting between inner ends of adjacent leaf springs of a tandem axle including a hanger for mounting on a vehicle frame, hanger sides on the hanger, a rubber shear spring assembly between the hanger sides, the rubber sh... | 11/12/2002 |
| 5238262 | Bracket and bushing assembly for walking beam of vehicle wheel suspension system An improved bracket and bushing combination for the end of a walking beam forming a part of a wheel suspension system of a large truck. The bracket is a hollow housing having an end opening and side holes for receiving bolts which are threaded into the en... | 08/24/1993 |
| 5033769 | Asymmetric tandem axle suspension system for vehicles A tandem axle suspension system distributes a vehicle load asymmetrically to a drive and drag axle of a vehicle, the system comprises a compensator member that is pivotally connected between a front axle seat supporting the vehicle drive axle and a hanger... | 07/23/1991 |
| 4789181 | Wheeled vehicle suspension A suspension for tandem axles of a vehicle comprising a pair of walking beams to which the axles are attached in a manner permitting either beam to swing relative to the other, with an elastomeric interposed between the body of the vehicle and the beams, ... | 12/06/1988 |
| 4690069 | Suspension for axle control with empty car spring Spring suspensions for the sprung mass of railway cars are disclosed and which provide torque arm support of both empty and loaded cars and control of axle movement, as in curving by hinging the outer ends of radial torque arms in support of the sprung ma... | 09/01/1987 |
| 4623162 | Dual trailing arm vehicle suspension system An improved vehicle suspension system for use on axles of trailers, trucks, and the like. A pair of wheels are individually rotatably mounted on stub axles attached to a pair of trailing arms which are connected to and extend radially rearwardly from a pa... | 11/18/1986 |
| 4494771 | Suspension system with U-joint mounted load carrying torque arm A first embodiment of a suspension supports a vehicle from a drive axle and includes a forward hanger and a rearward hanger depending downwardly from the chassis, an axle seat assembly attaching the suspension to the axle, a first torque arm pivotally con... | 01/22/1985 |
| 4445707 | Suspension system with parallelogram axle stabilization and central elastomer spring A first embodiment of a suspension supports a vehicle from a drive axle and includes a forward hanger and a rearward hanger depending downwardly from the chassis, an axle seat assembly attaching the suspension to the axle, a first torque arm pivotally con... | 05/01/1984 |
| 4400009 | Stabilized axle seat for cantilever mount A stabilized axle seat for mounting a suspension in cantilever fashion from an axle for a nonpowered vehicle prevents axle windup as the brakes are applied and yet permits limited oscillation of the axle to follow the varying contour of the road. The stab... | 08/23/1983 |
| 4357032 | Vehicle suspensions A tandem axle vehicle suspension comprising a beam extending between and pivotally connected at each end to a respective one of a pair of axles and a spring acting between the beam and a vehicle mounting. The spring comprises a pair of springs the axes of... | 11/02/1982 |
| 4352509 | Damped rubber tired vehicle suspension The suspension includes a moveable load arm assembly adapted to support a vehicle axle, at least one elliptical cross-section rod spring carried by the load arm assembly in load bearing relation with a vehicle body, a frictional damping surface connected ... | 10/05/1982 |
| 4278271 | Suspension system with central elastomer spring A tandem axle vehicle suspension system has a pedestal mounted to a chassis member and extending downwardly to support a trunnion shaft extending the width of the vehicle and between two suspension systems. A compensator is pivotally attached to the trunn... | 07/14/1981 |
| 4191398 | Vehicle suspension system The present invention discloses a multiple axle articulated suspension structure and system for vehicles wherein road and tire excitations of each axle are isolated from their opposing axle, as well as from the sprung mass. This is accomplished in a prefe... | 03/04/1980 |
| 4109934 | Self-contained frictionally damped resilient suspension system A shock insulated suspension system is provided with unique variable rate rod springs and co-related variable rate friction damping means. Each rod spring includes an elongated solid body of elastomeric material which, when subjected to radially directed ... | 08/29/1978 |
| 4082316 | Multiple axle suspension with load equalizer beam A multiple axle suspension for vehicles has a first arm pivotally mounted at its rearward end from the vehicle chassis to suspend a first vehicle axle and a second arm pivotally mounted at its forward end from the vehicle chassis to suspend a second vehic... | 04/04/1978 |
| 4013016 | Railroad car truck suspension system The present invention includes a suspension system for use with railroad freight car trucks, or the like, wherein vertical, transverse and longitudinal movements of the car body sprung mass are restrained and isolated from rail-induced excitations and dam... | 03/22/1977 |
| 4000914 | Vehicle suspensions The vehicle suspension system includes an axle structure comprising at least one axle, and a vehicle-supporting frame structure. A pair of mountings pivotally support the frame structure on the axle structure at each end of the axle. Each mounting consist... | 01/04/1977 |
| 3994512 | Undercarriage for grain buggy or farm wagon An undercarriage for farm wagons and similar vehicles in which the frame of the vehicle is mounted on one or more axles by units at each end of the axles, each unit consisting of plates connected to the axle, a plate connected to the frame and a member of... | 11/30/1976 |
