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| Number | Title | Issue Date |
| 7357211 | Steering system for off-road vehicle An off-road vehicle includes a frame and wheels. An engine powers the wheels through a drive system that includes a front differential gear unit. A housing encloses the front differential gear unit. The housing is positioned generally on a longitudinal center plane ... | 04/15/2008 |
| 7353904 | Steerable primary axle A steerable primary axle for a fairway mower or other machine includes a pair of motors mounted in fixed positions on opposing ends of an axle. The mechanical drive system includes a pair of input shafts having input bevel gears, a pair of output shafts with output ... | 04/08/2008 |
| 7290637 | Hydraulic steering mechanism and driving-steering-wheel support mechanism The hydraulic steering mechanism according to the present invention includes an axle case, a first steering case, a second steering case, a first arm, a second arms, a third arm, a hydraulic actuator, and a tie rod. The first, second and third arms are provided to t... | 11/06/2007 |
| 7231999 | Steerable primary axle A steerable primary axle for a fairway mower or other machine includes a pair of motors mounted in fixed positions on opposing ends of an axle. The mechanical drive system includes a pair of input shafts having input bevel gears, a pair of output shafts with output ... | 06/19/2007 |
| 7213488 | Three way swivel divider gearbox for agricultural drive systems A swivel gearbox system having multiple drivetrain outputs is disclosed. The system comprises a swivel gearbox and an angled divider gearbox where the power input and divided power output shafts are not in the same plane. The swivel gearbox is a right angle gearbox ... | 05/08/2007 |
| 5765659 | Dirigible drive wheel assembly A dirigible drive wheel assembly includes a transmitting and steering shaft extending approximately vertically, with an axis thereof inclined, for drivably connecting an axle of a wheel to a transmission shaft, a first driving gear disposed in a lower end... | 06/16/1998 |
| 4637271 | Flexible universal gear box system with yokes A flexible universal gear box for motor vehicles that mounts a pair of yokes movable relative to one another about a pivot member. The yokes are secured to different portions of the motor vehicle. The pivot member can be the main drive shaft of the motor ... | 01/20/1987 |
| 4613011 | Vehicle king pin and drive assembly A vehicle such as an agricultural tractor comprises drivable ground wheels, each front wheel steerable about its king pin's axis. A drive shaft assembly in each king pin comprises two parts axially relatively displaceable so that loads supported by the wh... | 09/23/1986 |
| 4609065 | Wheel drive structure for agricultural tractor A wheel drive structure for an agricultural tractor comprising a drive case housing a differential mechanism and reduction mechanisms to transmit power from said differential mechanism to wheels. The drive case comprises first and second case portions and... | 09/02/1986 |
| 4553624 | Front-wheel driving apparatus A front-wheel driving apparatus for use in tractors and the like has bevel-gear cases one each of which a front-wheel case is fitted for free rotation about a kingpin axis, the front-wheel case being adapted to support a front wheel and accommodate therei... | 11/19/1985 |
| 4442914 | Front wheel driving device of vehicle A front wheel driving device for agricultural vehicle or the like. The device has a front axle housing accommodating a front wheel drive shaft. An inner gear case is attached to the outer side of the front axle housing. An outer gear case is steerably sec... | 04/17/1984 |
| 4355697 | Vehicular steering and suspension system This invention relates to an improved steering and suspension system for use on off-road type vehicles. The system comprises a gear train at each drive wheel made up of three gears: an input gear, an intermediate gear and an output gear. The input gear is... | 10/26/1982 |
| 4301886 | Front wheel drive In a drive for driving front wheels through transmissions disposed at the ends of front axles to be drivingly rotated, a cylindrical front axle case for enveloping and rotatably supporting the front axles is integrally formed with transmission cases for e... | 11/24/1981 |
| 4205730 | Mounting and driving mechanism for the steerable wheels of a multi-wheel off-road vehicle This invention relates to a mounting and driving mechanism for the steerable wheels of a multi-wheel, off-road vehicle of the type utilized for transporting long loads, such as trimmed tree trunks or whole trees, over roadless terrain. Such vehicles gener... | 06/03/1980 |
| 3980151 | Front wheel drive assembly for four-wheel drive tractor Front wheel drive assembly comprising a tubular front wheel axle housing and rotatably supporting a differential yoke shaft having a bevel pinion at its outer end, a gear case fixedly mounted on the outer end of the front wheel axle and having a pin porti... | 09/14/1976 |
