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| Number | Title | Issue Date |
| 8177246 | Axle seat for vehicle suspensions Axle seats are disclosed for incorporation into vehicle suspensions of the type having a laterally extending axle and a longitudinally extending leaf spring. The axle seat includes a seat portion, a clamp group mounting surface, and an air spring mounting flange. A ... | 05/15/2012 |
| 8172245 | Leaf spring suspension system A leaf spring suspension system for supporting a vehicle chassis (104) relative to a vehicle axle (105), the suspension system being arranged to be connected between first and second spaced connection locations of said vehicle chassis. The suspension s... | 05/08/2012 |
| 8136825 | Tubular axle beam suspension mount A suspension mount for a vehicle axle includes first and second mount components that are positioned on opposing sides of the axle. A spring is supported by the first and second mount components. The axle is comprised of a tubular beam body that encloses a cavity. T... | 03/20/2012 |
| 8029008 | Vehicle suspensions having leaf springs and alternative clamp groups A vehicle leaf spring suspension having a low spring rate is disclosed. The suspension has an axle seat secured to a vehicle axle. The leaf spring is clamped at its spring seat area to the axle seat at the clamp group mounting surface of the axle seat and with certa... | 10/04/2011 |
| 8006990 | Spring hanger and method for attachment An improved suspension that may be used in any dynamically loaded beam structure, such as a trailer chassis. Specifically, an improved spring hanger and method for attachment are discussed, in which the improved spring hanger is welded to the web of a support beam, ... | 08/30/2011 |
| 7931287 | Isolated spring clamp group A clamp assembly of a vehicle leaf spring suspension is disclosed. The clamp assembly has an axle bracket secured to a vehicle axle and a top cap secured to the axle bracket by mechanical fasteners to define an axle seat. The axle bracket and top cap may include int... | 04/26/2011 |
| 7866682 | Pivot assembly for tandem suspension A pivot assembly for a tandem suspension is provided which includes a balancer and an elastomeric assembly operable to allow the balancer to rotate about a vehicle chassis. In addition, an elastomeric assembly for a suspension system is provided which includes an el... | 01/11/2011 |
| 7744105 | Isolated spring clamp group A clamp assembly of a vehicle leaf spring suspension is disclosed. The clamp assembly has an axle bracket secured to a vehicle axle and a top cap secured to the axle bracket by mechanical fasteners to define an axle seat. The axle bracket and top cap may include int... | 06/29/2010 |
| 7722065 | Composite spring with resilient attachment interface A leaf spring for a vehicle suspension is formed from a composite material and includes first and second ends that are longitudinally spaced apart from each other. A resilient element is attached to at least one of the first and second ends. The resilient element in... | 05/25/2010 |
| 7712754 | Vehicle front end suspension A leaf spring assembly for a vehicle having a frame and an axle. The leaf spring assembly includes a first leaf spring and a trailing arm having first and second ends. The first end of the trailing arm adapted to be coupled to the frame to form a trailing arm attach... | 05/11/2010 |
| 7669867 | Shackle structure for suspension leaf spring A pair of left and right shackles operative to support the vehicle-rear-side end portions of a pair of left and right suspension leaf springs. The left and right shackles have structures whereby the rigidity center positions of the leaf-spring-side bushings are offs... | 03/02/2010 |
| 7537226 | Light truck support lift A light truck support lift which is positioned between the existing leaf spring eyelet and the truck body which incorporates fastener adjustable members for varying the height of the lift. ... | 05/26/2009 |
| 7533893 | Rubber auxilliary suspension with stages under tension for vehicle axles in general An auxiliary suspension system operating on stages of loaded rubber for axles of vehicles in general includes a pair of concentric tubes, one outer and one inner, with rubber applied to the surfaces of contact. As the tubes turn one inside the other, they put the ru... | 05/19/2009 |
| 7520517 | Leaf spring assembly having safety spring with retaining elements A leaf spring assembly features a stack of leaf springs having mounting couplings attached at opposite ends. The mounting couplings each have first and second mounting elements clamped together about at least a main spring and a safety spring. The safety spring has ... | 04/21/2009 |
| 7500688 | Air spring/coil spring combination suspension system A supplemental suspension system for a vehicle having a rear axle and a leaf spring suspension system including a pair of leaf springs mounted over respective ends of the rear axle, the supplemental suspension system including a lower support member which is positio... | 03/10/2009 |
| 7360778 | Traction device A traction device for a motor vehicle provides a rear support assembly positioned proximate to a rear axle and an adjacent portion of a leaf spring and a front rocker support assembly. The front rocker support assembly includes a front leaf spring bracket assembly a... | 04/22/2008 |
| 7354051 | Independent suspension system for a wheeled vehicle An independent suspension system for a wheeled vehicle includes a modified shock absorber, a leaf spring, and a wheel carrier. The shock absorber includes a cylinder, and a rod passing through the cylinder. The shock absorber is vertically mounted in a condition whe... | 04/08/2008 |
| 7325821 | Suspension mounting system and a method of assembling the same A suspension mounting system and a method of assembly of the same are disclosed. The system has an axle housing having two hollow arms and an upper portion and a lower portion. At least one suspension bracket is located between the upper portion and the lower portio... | 02/05/2008 |
| 7322590 | Fuel tank and suspension structure The lower side of a fuel tank positioned above a torsion beam is downwardly convexly formed, and the torsion beam is also downwardly convexly bent in correspondence to the lower side of the fuel tank, thereby providing a sufficient capacity of the fuel tank and spac... | 01/29/2008 |
| 7311347 | Golf cart windshield attachment The present invention provides a light weight windshield attachment adapted for easy attachment and detachment from a vehicular supportive frame. The attachment includes a circumscribing frame and a tautly stretched film possessing a high order of elastic memory so ... | 12/25/2007 |
| 7287769 | Retention for utility vehicle drive train sub-frame An engine and rear axle are mounted on a drive train sub-frame of a utility vehicle, with two generally parallel plates spaced from each other on the first end of the drive train sub-frame. A cross bolt extends laterally between the two plates and through an opening... | 10/30/2007 |
| 7267348 | Vehicular suspension systems A vehicular suspension system has a hanger to attach beneath a vehicle, a rocker pivoted at a first end to the hanger and attached proximate a second end to an axle, a shock absorber extending between the hanger and an intermediate position on the rocker, as well as... | 09/11/2007 |
| 7264252 | Rubber auxiliary suspension with stages under tension for vehicle axles in general An auxiliary suspension system operating on stages of loaded rubber for axles of vehicles in general includes a pair of concentric tubes, one outer and one inner, with rubber applied to the surfaces of contact. As the tubes turn one inside the other, they put the ru... | 09/04/2007 |
| 7246808 | Wheel suspension for vehicles A wheel suspension for vehicles that includes leaf spring assemblies mounted in pairs on each side of the vehicle in the longitudinal direction of the vehicle and also at least one damper device mounted on the vehicle in conjunction with at least one wheel axle. The... | 07/24/2007 |
| 7229088 | Shackle assembly A shackle assembly is shown to include a shackle bracket, wear pads, a shackle stop, shackle plates and elastomer bushings. The shackle bracket includes legs forming portions thereof, which serve as contact surfaces for the wear pads and the shackle plates. By provi... | 06/12/2007 |
| 7213825 | Leaf spring retaining bracket A one-piece leaf spring retaining bracket may be welded to a longitudinal member of a vehicle frame. The leaf spring retaining bracket is symmetrical along two planes, and the same bracket may be used on either side of the vehicle frame. The bracket has an upper sec... | 05/08/2007 |
| 7210673 | Method for relieving spring seat mounting stresses A spring assembly includes a spring seat clamped to a leaf spring at a center portion. The spring seat includes a cutout for distributing clamping stresses in a substantially uniform manner across the leaf spring. The cutout provides a relief for a central portion o... | 05/01/2007 |
| 7204500 | Motion control arm bracket assembly A bracket assembly for mounting a control arm, such as a leaf spring, of a vehicle suspension. The bracket assembly includes a first, relatively more rigid member including a first mounting flange and a second, relatively more flexible member including a second moun... | 04/17/2007 |
| 7195260 | Steer axle suspension A suspension for coupling a steer axle assembly to a vehicle frame is provided that provides lateral stability to the steer axle assembly without the use of a track rod or stabilizer bar. The suspension includes a body that is coupled to the axle beam of the steer a... | 03/27/2007 |
| 7182354 | Bushing A non-torque reactive air suspension exhibiting excellent roll stability characteristics is shown to include frame hangers mounted to frame rails extending longitudinally on opposite sides of a vehicle. Longitudinally extending beams are connected to the frame hange... | 02/27/2007 |
| 7175190 | Horizontal mount of suspension element to axle A clamp arrangement is utilized to secure a suspension element to an axle. The clamp arrangement includes a pair of spaced clamp halves that are tightened to cam a pair of holding frame elements together and hold the suspension element to the axle. Preferably, a pai... | 02/13/2007 |
| 7159880 | Force connection strut A connection strut of a chassis of a passenger car or utility vehicle for the connection between the chassis and the wheel carrier, preferably an axle strut or a chassis control arm, with an elongated basic body and at least two mount supports arranged at the end fo... | 01/09/2007 |
| 7070177 | Sandwich design of four bag suspension for bus and coach rear drive axles A suspension assembly comprises four springs spaced at four distinct locations. A first plate extends to support each of the springs at each location. An axle is connected to the first plate. ... | 07/04/2006 |
| 7070195 | Boat trailer A boat trailer comprising two side beams positioned adjacent to each other, wherein each of the side beams has a forward tongue forming portion converging toward the other side beam. The side beams can be connected to a towing vehicle and the side beams may also hav... | 07/04/2006 |
| 7066479 | Axle housing suspension seat assembly A vehicle axle assembly is provided including an axle housing having legs extending along an axis. Each housing leg has a wall defining an interior cavity with the wall having a first locating feature formed therein. The first locating feature may be an indentation ... | 06/27/2006 |
| 7052001 | Dual rate leaf spring suspension for utility vehicle A dual rate leaf spring suspension supports a frame member over an axle of a small utility vehicle. The dual rate leaf spring suspension includes a full-length leaf spring and a half-length leaf spring. A spacer plate is the only connection point between the full-le... | 05/30/2006 |
| 7014202 | Golf car suspension A method of attaching an axle of a golf car to a leaf spring of the golf car, comprising the steps of aligning the leaf spring adjacent the axle and a bottom plate, inserting an end of a fastener initially through a first aperture associated with the axle and subseq... | 03/21/2006 |
| 6991223 | Composite leaf spring having an arcuate attachment arrangement for vehicle mounting A suspension system includes a composite leaf spring having an arcuate segment that is located between a retaining pin and a bumper. The retaining pin includes a shank surrounded by a resilient tube. The bumper is located adjacent a rear wall of the bracket opposite... | 01/31/2006 |
| 6966568 | Multi-function bracket for an air suspension A suspension system includes a primary structural support such as an axle beam. To dampen movement of the beam, a leaf spring is attached to longitudinal mainframes which extend parallel to a vehicle centerline. A bracket assembly attaches the beam to the leaf sprin... | 11/22/2005 |
| 6962360 | Air suspension anti-roll stabilization system An air suspension anti-roll stabilization system includes air suspension devices, such as at least one pair of air bags air spring mounted upon an axle via leaf spring suspension arms of an associated vehicle on respective opposed sides of the longitudinal axis of t... | 11/08/2005 |
