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| Number | Title | Issue Date |
| 7377501 | Aerostatic suspension system for rolling equipment and vehicles An aerostatic suspension system (1) for rolling equipment and vehicles that takes advantage of atmospheric pressure to create, via cylinder and piston sets, forces that are transmitted by levers having an adjustable point of application of force and that at t... | 05/27/2008 |
| 7350612 | Shock absorbing hydraulic system for all-terrain load-carrying vehicle, and all terrain load-carrying vehicle including such a hydraulic system A shock-absorbing hydraulic system for cushioning a structural part of an all-terrain load-carrying vehicle, said hydraulic system having a first, hydraulic front cylinder and a first, hydraulic rear cylinder (1, 2) being connected in series and being arrange... | 04/01/2008 |
| 7322567 | Air spring assembly An air spring assembly is mounted to a shock absorber to form a strut assembly. The shock absorber includes an outer cylinder with an internal piston and piston rod mounted within the outer cylinder. The piston rod is mounted to a vehicle frame member and the outer ... | 01/29/2008 |
| 7201388 | Rigid axle for a vehicle, comprising integrated trailing arms A vehicle rigid axle includes an axle beam with axle journals or wheel carriers arranged at the ends thereof, and at least two trailing arms rigidly fixed to the axle beam. Each half of the vehicle rigid axle—viewed from the middle of the axle—includes an axle b... | 04/10/2007 |
| 7044565 | Torsion beam axle suspension In the torsion beam axle suspension of the present invention, by providing mounts formed on one end of each of trailing arms with a three-dimensional slant angle, when a transverse force is applied to a turning outer wheel at a rear suspension during cornering of a ... | 05/16/2006 |
| 6932419 | Aerodynamic guiding arrangements for vehicles An aerodynamic guiding arrangement for a vehicle that includes a forward gap enclosure with an upper element and a lower element. The gap enclosure is configured to be positioned and attached proximate a forward end of the vehicle. The guiding arrangement includes a... | 08/23/2005 |
| 6921098 | Independent suspension system for light and medium duty vehicles The present invention relates to an improved vehicle suspension system. More particularly, the present invention relates to an independent suspension system for light and medium duty trailers which utilizes a flexible bladder mounted between the vehicle frame and th... | 07/26/2005 |
| 6840525 | Air spring and pedestal A suspension system includes a longitudinal member, an air spring, a damper and an axle assembly. The air spring is not directly attached to the chassis but is mounted to contact a locating plate attached to the chassis. The locating plate includes a lip such that t... | 01/11/2005 |
| 6769703 | Air bladder suspension system A vehicle suspension system having a central beam pivotally mounted to hanger brackets at one end and rigidly attached to an axle at another end along substantially the entire length of the axle. The hanger brackets being mounted to the vehicle frame. The vehicle su... | 08/03/2004 |
| 6598538 | Rail wheel stop mechanism for road/rail vehicle For use with a road/rail vehicle that is convertible from a road mode for traveling on a road, to a rail mode for traveling on rails, an apparatus for mounting a rail wheel to the vehicle. The apparatus comprises an air bag bearing against the rail wheel ... | 07/29/2003 |
| 6431532 | Variable geometry dampening and trailing arm suspension including same Vibration dampening assembly alone and in vehicle trailing arm suspension has a link member, a shock absorber and a lever member. The link member has a first end pivotally interconnected with either of the trailing arm or the vehicle frame at a first supp... | 08/13/2002 |
| 6354389 | Suspension mechanism for a snowmobile Devices and methods for suspending a vehicle are disclosed. A suspension mechanism in accordance with the present invention includes a suspension arm having a first end and a second end, a swing arm having a first end pivotably coupled to the first end of... | 03/12/2002 |
| 6220587 | Vibration dampening assembly A vibration dampening assembly and a suspension system for use, for example, between a cab and a flame of a truck, has a link with a first end pivotably interconnected with a second plate at a first support pivot, a lever with a first end pivotably interc... | 04/24/2001 |
| 6199671 | Shock absorber A piston-type rail retarder includes a shock absorber having a cylinder defining a cavity between a pair of end walls. A piston rod extends axially through one of the end walls, and a piston is mounted on the piston rod between the end walls so as to divi... | 03/13/2001 |
| 6056277 | Air spring arrangement The invention relates to an arrangement which includes an air spring (2), an ancillary volume (4) and a connecting line (6) which connects the air spring (2) and the ancillary volume (4) to each other. A valve (12), which is actuated by air pressure, is d... | 05/02/2000 |
| 6015030 | Vibration damper with variable damping force A vibration damper with variable damping force, including a cylinder, a piston and a piston rod arranged in the cylinder so as to be axially movable, an adjustable damping valve connected between the piston rod and the cylinder, and controlled as a functi... | 01/18/2000 |
| 5950489 | Variable geometry linkage configuration A variable geometry linkage configuration for use between a support structure and suspended body comprises a link member having first and second ends, a first pivotal interconnection for pivotally interconnecting the first end of the link member with a su... | 09/14/1999 |
| 5845896 | Counter balanced suspension A vehicle suspension system (110) having a primary suspension system (112) and a secondary suspension system (114). Vertical motion of a vehicle wheel (120) places a force on the vehicle frame (126) which, in turn, places a force on the vehicle body (124)... | 12/08/1998 |
| 5667240 | Air spring suspension that reduces dynamic braking loads on the air spring An air spring suspension system for vehicle axles reduces the dynamic force on the system's air springs during braking and acceleration of the vehicle and thereby prevents the diving of the vehicle chassis toward the road surface on application of the veh... | 09/16/1997 |
| 5566971 | Vehicle air suspension system An air suspension system for a motor home wherein a frame supports a body and the suspension system supports the frame relative to the axles of the motor home. A structure at the front and rear ends over the axles includes arm portions extended laterally ... | 10/22/1996 |
| 5549320 | Combined vehicle suspension torque rod and sway bar A suspension assembly comprising a combination torque rod and sway bar is shown and described. In a preferred embodiment, the assembly comprises two arms that are pivotally coupled at a first end to a first and second end of a crossmember, the second ends... | 08/27/1996 |
| 5332258 | Motor vehicle axle suspension An axle of a motor vehicle axle includes a rigid axle body and at least one leaf spring arrangement on each of opposite sides of a longitudinal median plane of the vehicle. The spring arrangement is hinged at a front end thereof to a chassis-stationary be... | 07/26/1994 |
| 5253853 | Vibration dampening device A vibration dampening suspension device for isolating a truck cab from the force vibrations of a vehicle frame, which includes an impact plate mounted to the truck cab, and a support plate mounted to the vehicle suspension. The device further includes a l... | 10/19/1993 |
| 5183287 | Suspension system for road wheel of a track laying vehicle A suspension system (28) for a track laying vehicle includes a support arm (30) that defines a cavity (36) and has a first end (32) about which the arm pivots under the control of a stationary crank arm (38) and a cylinder of (42) supported for swiveling ... | 02/02/1993 |
| 5085457 | Independent front air suspension apparatus and method A method and system for effecting pneumatically cushioned independent front steer axle suspension for s Class 8 (33,001 lb+GVW) highway truck. An air spring rocker is provided to improve the fit arrangement of the front suspension components. By its pivot... | 02/04/1992 |
| 5052712 | Torque beam, equalized pneumatic and hydraulic axle suspension An active, frequency damping suspension system for vehicles having a chassis and at least one axle comprises a pneumatic spring connected mechanically between the vehicle axle and the vehicle chassis to absorb vertical movements of the vehicle axle and pr... | 10/01/1991 |
| 5039124 | Motor vehicle frame and suspension assembly A frame and suspension assembly is capable of a low frame rail orientation and enhanced on-road stability when incorporated in a motor vehicle. An air spring suspension system is mounted outwardly of the frame rails and the frame rails include a reinforce... | 08/13/1991 |
| 4911417 | Tapered bushing member A bush is disclosed particularly for flexibly mounting an axle assembly on the chassis of a vehicle. An elastic bush is inserted in a sleeve mounted on the axle assembly. The elastic bush as a tapered bore. A pin with a tapered outer face is inserted in t... | 03/27/1990 |
| 4762308 | Damping valve for air spring suspension systems An air spring for motor vehicles to absorb road shocks includes first and second axially spaced end members with an intervening flexible sleeve forming a fluid pressure chamber therebetween. An improved two-way damping valve connects the pressure chamber ... | 08/09/1988 |
| 4712780 | Hydropneumatic spring suspension device The invention relates to a hydropneumatic spring suspension or shock absorber device, in particular for heavy motor vehicles, which a spring element comprising a housing for a spring bellows filled with a hydraulic medium which is in flow connection with ... | 12/15/1987 |
| 4700970 | Suspension element for a heavy vehicle The suspension element comprises an arm (1) through which extends a wheel stub-axle (2) of the vehicle which is rotatively mounted on a fixed part (3) integral with the chassis of the vehicle with interposition of bearing means between the fixed part (3) ... | 10/20/1987 |
| 4664407 | Air ride vehicle front suspension assembly An improved vehicle front suspension assembly is disclosed utilizing pneumatic springs for use with a conventional vehicle body and frame configuration and with a conventional vehicle front axle housing and wheel assembly. A left air spring and a right ai... | 05/12/1987 |
| 4563022 | Vehicle suspension systems A vehicle suspension system for a pair of wheels has two torsionally stiff members each of which carries an axle for a respective wheel. The load on each wheel is supported by a gas spring to which relative movement of the wheel and vehicle body is transm... | 01/07/1986 |
| 4518154 | Pneumatic spring, especially for motor vehicles A pneumatic spring for motor vehicles which includes a closed spring volume and two spring surfaces of different sizes adapted to be subjected to pressure acting in opposite directions. The two spring surfaces each have an effective spring surface which i... | 05/21/1985 |
| 4497507 | Vehicle axle suspension An auxiliary vehicle axle suspension which is pivoted to the frame for up and down movement. An air bellows unit is provided to force the axle down to a load-supporting position. Apparatus is provided to lift the axle to an elevated position when pressure... | 02/05/1985 |
| 4274338 | Transversely adjustable suspension system A guided vehicle having a body with rubber-tired steerable running wheels mounted on axles. A suspension system for the axles includes transversely extending upper and lower link arms which are parallel with each other and have equal arm lengths. Each of ... | 06/23/1981 |
| 4171830 | Vehicle suspension lift system The vehicle suspension provides an axle assembly which may be mounted either on a truck-tractor or a truck-trailer to provide an additional axle. The suspension includes an axle which is suspended from a vehicle frame by means of a spring structure. A dra... | 10/23/1979 |
| 4162799 | Truck suspension system The present invention discloses a multiple axle truck 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 via deflections ... | 07/31/1979 |
| 4061361 | Vehicle suspensions A suspension for a vehicle having wheel-supporting axles arranged in tandem. The suspension comprises a walking beam pivoted intermediate its ends to the frame of the vehicle. The axle support of one road engaging wheel is secured to one end of the walkin... | 12/06/1977 |
| 4026579 | Liquid/gas suspension systems In a liquid/gas suspension system for a vehicle wherein shock loads caused by the vehicle moving over an uneven terrain are transmitted from a road wheel to a piston reciprocable in a cylinder fixed relative to the chassis, the piston pressurizing a liqui... | 05/31/1977 |
