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| Number | Title | Issue Date |
| 7341272 | Expanding independent load suspension system An expanding independent load suspension system that incorporates a square walking beam, unique bushings, and multiple expanding sliding units to spread the load bearing tires evenly over the surface instead of grouping them close together. With the weight of the ve... | 03/11/2008 |
| 7004270 | Suspension apparatus of multi-axle vehicle A suspension apparatus of a multi-axle vehicle capable of realizing high traveling stability is provided. For this purpose, the suspension apparatus forms a quadric link structure (31) by a vehicle body (9), a front link (21) with an upper end p... | 02/28/2006 |
| 6666474 | Semi-balanced tandem suspension A suspension system provides a pair of walking beams mounted parallel to a longitudinal main frame of a vehicle subframe. The walking beams support tandem axles. The walking beams are mounted to lower outboard brackets extending from each axle. A spherica... | 12/23/2003 |
| 6089583 | Stabilizer A stabilizer for vehicle with a framework incorporates a torsion bar which extends transversely to the longitudinal direction of the vehicle and is supported swivellingly relative to the framework of the vehicle by a first bearing in a first end region of... | 07/18/2000 |
| 5775868 | Movable-deck trailer A movable-deck trailer is provided which includes a frame with front and back ends, a tongue assembly mounted on the frame front end and a deck mounted on top of the frame. A wheeled carriage is mounted on the frame between its front and back ends and inc... | 07/07/1998 |
| 5482326 | Apparatus providing a pivot axis to rear wheels Apparatus providing a pivot axis for rear wheels of a vehicle is disclosed. The vehicle has a chassis, an arm pivotally attached to the chassis and four rear wheels divided into two forward wheels and two rearward wheels. The apparatus of the present inve... | 01/09/1996 |
| 5447324 | Stabilized tandem axle drive suspension with elastomer spring in compression and shear A tandem axle vehicle suspension is provided which, in variant embodiments, employs one or two torque beams each supporting an axle of a tandem axle vehicle and each pivotally connected to a load compensator where a single elastomer spring is mounted betw... | 09/05/1995 |
| 5074580 | Torsion bar suspension assembly for an articulated vehicle An articulated vehicle includes an articulated frame formed by front and rear frame sections which are pivotally joined. A hydraulic motor is coupled to a front pair of wheels rotatably mounted to the front frame section. An oscillating axle assembly whic... | 12/24/1991 |
| 4951350 | Composite hinge pin A hinge pin of segmented form with its components in threaded connection with one another. The components of the pin include tool receiving surfaces engageable by a wrenching tool for applying torque during assembly and disassembly of the pin. The compone... | 08/28/1990 |
| 4185854 | Oscillating double axle assembly An oscillating double axle assembly comprising a bogie chassis including a transverse beam and two longitudinal beams, with a central pivot assembly located in alignment with the transverse beam and supporting each longitudinal beam for pivotal movement w... | 01/29/1980 |
