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| Number | Title | Issue Date |
| 7077070 | High clearance fertilizer application system An application system for applying nitrogen to the soil. The system is a tool bar provided with a plurality of long arms, coupled to disks. Coupled behind the disks is a nitrogen dispensing system, coupled to a large fluid tank on a vehicle. By utilizing a high clea... | 07/18/2006 |
| 5810383 | Suspension and steering linkage for a tricycle A suspension and steering linkage for a front wheel of a tricycle type vehicle includes an upper and lower control arms joined by a pivot arm. The control arms are parallel and of the same length and are pivoted at the vehicle so as to move together in ve... | 09/22/1998 |
| 5762155 | Wheelchair frame and castor assembly A wheelchair frame comprises a base frame part (1, 2) with a plurality of wheels (3, 33), including two front wheels (3), wherein each of said front wheels can be driven by an electromotor (4). The base frame part carries at the back side a castor assembl... | 06/09/1998 |
| 5447321 | Oscillation stop mechanism for compact tractors An oscillation stop mechanism for use in conjunction with a compound steering mechanism adapted for use on a compact tractor is disclosed wherein an elongated stop link is positioned on opposing sides of the steering axis about which the pivoted axle rota... | 09/05/1995 |
| 5447320 | Steering mechanism for compact tractors A compound steering mechanism for improving the turning radius of a compact tractor is disclosed wherein the front axle is pivotally mounted to the tractor chassis by upper and lower pivot joints, the lower pivot joint being transversely swingable relativ... | 09/05/1995 |
| 5259635 | Wheelchair A wheelchair for competition use comprising a steerable front wheel assembly with a return mechanism to keep the wheel assembly in dead centre in absence of steering command. The rear axle of the wheelchair includes articulated connections to perform camb... | 11/09/1993 |
| 5207398 | Device for locking a support for steerable wheels The locking device of the invention comprises a locking device mounted to pivot relative to a beam and having ends associated with an axle to lock the axle in a first position of the locking device and to release the axle by the locking device pivoting to... | 05/04/1993 |
| 4364577 | Steering mechanism A steering mechanism for a use in a conveying and hoisting wheel vehicle having at least one steered vehicle wheel, comprises: a steering shaft; a first wheel rotatably driven by the steering shaft; a second wheel pivoting and steering the steered vehicle... | 12/21/1982 |
