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| Number | Title | Issue Date |
| 7766104 | Differential lock control in articulated machine A method of operating an articulated machine includes sensing an articulation angle and a wheel steering angle of the machine, and controlling a locking state of a differential responsive to a steering radius of the machine. An articulated frame wheeled machine is f... | 08/03/2010 |
| 7690449 | Output yoke shaft and assembly A drive axle assembly is provided with a reduced part count and improved alignment. The assembly includes a drive axle housing with input and output shafts and an inter-axle differential that is driven by the input shaft. The inter-axle differential is drivingly cou... | 04/06/2010 |
| 7306536 | Tandem axle system A tandem axle system for vehicle having an optimized inter-axle driveline is depicted and described. The system has a forward drive axle system having a forward pinion gear drivingly connected to a drive side of a forward portion of a forward ring gear. The system a... | 12/11/2007 |
| 7291083 | Inter-axle differential assembly An inter-axle differential assembly includes a forward side gear and a rear side gear that are supported by an input shaft. The forward and rear side gears are in meshing engagement with a plurality of inter-axle differential pinion gears that are supported on a spi... | 11/06/2007 |
| 7252173 | Differential gear for a vehicle A differential (2) for a vehicle is proposed for the apportionment of a drive torque conducted via a drive shaft on a crown gear (7). The drive torque is engendered by a motor (1) onto two output shafts (3, 4) and differential is to serve... | 08/07/2007 |
| 7201250 | Utility vehicle having hydrostatic drive A vehicle that has a frame, a front axle secured to the frame near the front thereof and a pair of rear axle shafts secured to the frame near the rear thereof. The vehicle also has a seat for at least two occupants and a dashboard. The vehicle further includes a loa... | 04/10/2007 |
| 7168518 | Multi-wheel-drive vehicle with a front transaxle device A multi-wheel-drive vehicle has at least six wheels, a transmission with a first brake, and a transaxle device for the front drive wheels. The transaxle device includes a drive axle, an input shaft rectangular to the drive axle for receiving power from the transmiss... | 01/30/2007 |
| 7152720 | Automated inter-axle differential lock actuation sensing method The present invention relates to an automatic inter-axle differential lock actuation sensing method for a vehicle having a tandem drive axle. The inter-axle differential lock actuation sensing method comprises providing a clutch locking mechanism of an inter-axle di... | 12/26/2006 |
| 7134829 | Cargo trailer A trailer for carrying cargo includes a frame, at least two axles mounted to the frame, and a deck. The axles have wheels at opposite ends of the axles for movably supporting the frame above the ground. The deck is pivotally mounted to the frame and is pivotable abo... | 11/14/2006 |
| 7096990 | Double disconnect assembly for multi-axle vehicles An axle disconnect system is provided whereby axles of a tandem or multi-axle vehicle may be easily and quickly engaged and disengaged as required and whereby the ring gear and differential gears remain stationary when the axle is disengaged. In multi-axle vehicles,... | 08/29/2006 |
| 7093685 | Utility vehicle having hydrostatic drive A utility vehicle is disclosed within. The utility vehicle includes a front axle, a pair of rear axle shafts, a seat with a minimum capacity of two occupants secured to the vehicle, an engine, having an engine output shaft, mounted between the front axle and the rea... | 08/22/2006 |
| 7051619 | Vehicle axle assembly with internally-splined input shaft A motor vehicle axle assembly includes a hollow cylindrical, internally-splined input shaft that is adapted to be connected to an externally-splined shaft of an end fitting of a driveshaft assembly. By using the mass centerline or center of balance of the end fittin... | 05/30/2006 |
| 6964310 | Multi-wheel-driving vehicle A multi-wheel-driving vehicle including at least three parallel axles each of which is provided on both ends thereof with respective drive wheels and including power dividing means for permitting the rotary speed among the axles, is improved in its effect of braking... | 11/15/2005 |
| 6957710 | Tandem drive axle assembly A tandem drive axle set includes a forward drive axle and a rear drive axle coupled to the forward drive axle with a connecting driveshaft where input torque is distributed to both the forward and rear drive axles without differential action. The forward drive axle ... | 10/25/2005 |
| 6918851 | Concentric shift system for engaging an interaxle differential lock An interaxle differential is provided which includes a side gear, a clutch gear torsionally locked on a first input shaft and axially slidably mounted thereon and an annular piston mounted in a differential casing for urging the clutch gear into engagement with a si... | 07/19/2005 |
| 6877573 | Multi-wheel-driving vehicle A multi-wheel-driving vehicle including at least three parallel axles each of which is provided on both ends thereof with respective drive wheels and including power dividing means for permitting the rotary speed among the axles, is improved in its effect of braking... | 04/12/2005 |
| 6868983 | Method and apparatus for positioning an article handling device An article handling apparatus embodied, for example, as a vending machine, includes a controllably positioned hose-type dispenser for retrieving articles from an article storage area. A first end of the hose receives article securing energy (e.g., suction), and a se... | 03/22/2005 |
| 6824488 | Vehicle driveline A vehicle driveline for a multi-axle vehicle includes a through drive axle unit; which is a close-coupled assembly comprising a torque transfer mechanism with an associated differential unit and an axle differential unit. An output shaft of the through drive unit is... | 11/30/2004 |
| 6648788 | Forward carrier assembly for tandem axle A tandem axle assembly includes a forward drive axle coupled to a rear drive axle with a connecting driveshaft. An inter-axle differential (LAD) located in a carrier assembly for the forward drive axle takes driving input and splits the input between the ... | 11/18/2003 |
| 6631773 | Articulated truck for carrying a load through a plurality of work cycles An articulated truck for carrying a load through a plurality of work cycles is disclosed. An embodiment includes a frame assembly, an articulation. joint, a plurality of axles, a plurality of ground engaging devices, an operator compartment, a body, an en... | 10/14/2003 |
| 6604589 | Drive for a vehicle intended to transverse rough terrain A drive for a vehicle traversing rough terrain including first and second drive units and first and second pairs of tires. The first drive unit includes a first differential and axle. The second drive unit includes a second differential and axle. A second... | 08/12/2003 |
| 6499552 | Drive axle control system Tandem drive axles include a pair of drive axles interconnected by a thru-shaft. An inter-axle differential allows speed differentiation between the pair of axles. Differences in tire rolling radii and variations in axle load distribution between the pair... | 12/31/2002 |
| 6085853 | Drive system for multi-axle motor vehicle The drive system for a motor vehicle having a front axle and a plurality of rear axles, which are driven or can be driven, consists of a central differential, an inter-axle differential, following the central differential in the direction of the power flo... | 07/11/2000 |
| 5950750 | Drive arrangement for a motor vehicle A drive train arrangement for a motor vehicle that includes a pair of front and rear transfer cases each having a single-input shaft and dual-output shafts for providing drive to a front axle and to a pair of rear axles located in tandem and in which the ... | 09/14/1999 |
| 5860889 | Tandem forward rear axle lockout A tandem rear axle assembly for vehicles including trucks comprises an interaxle differential and a differential lockout mechanism which includes a friction clutch or clutch pack comprising a multiplicity of parallel annular clutch disks arranged in inter... | 01/19/1999 |
| 5417297 | Gear mechanism for tandem axles A heavy duty work vehicle for rough terrain is provided with tandem axles wherein engine power is transferred equally to both the front and rear wheels of the tandem axles. A gear train having a torque divider splits any unequal torque on the front and re... | 05/23/1995 |
| 5370018 | Internally vented interaxle differential assembly lockout shift unit A shift unit (60) for a tandem drive axle (10) interaxle differential lockout clutch (48) is provided. The shift unit includes an actuator piston (72) dividing a cylinder (78) into a constantly open chamber (80) and a selectively pressurized and exhausted... | 12/06/1994 |
| 5366040 | Braking device for a working vehicle The present invention relates to a braking system for an axle driving system for a working vehicle. The braking system comprises disc brake units which are disposed in recesses provided at the right and left sides of a transmission case, and a brake pedal... | 11/22/1994 |
| 5285866 | Drive train The invention provides a drive train for propelling a vehicle capable of being used for transporting ore, coal or broken rock in underground mining operations. The vehicle has front and rear wheelsets, each comprising a right and left side wheel. The driv... | 02/15/1994 |
| 4977972 | Tridem drive axle system A tridem rear drive axle system (100) comprising a front-rear drive axle assembly (112) a middle-rear drive axle assembly (22) and a rear-rear drive assembly (24) is provided wherein torque is distributed substantially equally to each of the three rear dr... | 12/18/1990 |
| 4969530 | All-terrain vehicle An all-terrain vehicle having two bogies movably joined at their inner ends and pivotally mounted on each side of the vehicle and two main wheels mounted on the ends of one of the bogies and a third wheel mounted on the other end of the other bogie. The o... | 11/13/1990 |
| 4966244 | Vehicle having plural axles and drive system therefor An all-terrain vehicle is provided with eight wheels on four equidistant axles all driven from a single engine via two transfer boxes and differential gear units on each axle. The axles are fully floating beam axles on long travel coil springs and control... | 10/30/1990 |
| 4948167 | All-terrain vehicle An all-terrain vehicle having two bogies movably joined at their inner ends and pivotally mounted on each side of the vehicle and two main wheels mounted on the ends of one of the bogies and a third wheel mounted on the other end of the other bogie. The o... | 08/14/1990 |
| 4914979 | Axle drive unit An axle drive unit, for use in a tri-axle drive, comprises a casing (10) with an input member (18) at one end connected to the planet carrier (30) of a spur gear epicyclic differential gear whose sun gear (28) is connected to a tubular shaft (43) and then... | 04/10/1990 |
| 4823897 | Drive arrangement for all-wheel drive vehicles A drive arrangement for all-wheel drive vehicles equipped with two axle groups, wherein the input shafts of the axle transmissions of the two axle groups are located on different sides relative to the axle transmission centers; the axle transmissions have... | 04/25/1989 |
| 4821825 | All-terrain vehicle An air-portable all-terrain vehicle is provided with six wheels on three equidistant axles all driven from a single engine via two transfer boxes and differential gear units on each axle. The axles are fully floating beam axles on long travel coil springs... | 04/18/1989 |
| 4706770 | Utility hauling vehicle having four wheel drive A utility hauling vehicle includes at least one steerable wheel suspended from the forward end of a rigid frame of the vehicle and front and rear pairs of unsuspended drive wheels mounted to the rigid frame rearwardly of the steerable wheel. The front pai... | 11/17/1987 |
| 4194586 | Geared torque selector An auxiliary transmission unit is connected to the input of a power divider, which power divider is connected between a pair of pinion shafts for respectively driving the front and rear axles of a tandem axle construction. The power divider includes at le... | 03/25/1980 |
| 4050534 | Drive axle system useable in 6 × 6 vehicle A drive axle system of the type useable in a 6 × 6 vehicle, especially one utilizing a tandem axle assembly to transmit torque from the vehicle transmission to first and second rear drive axles. The system comprises torque dividing means within the tande... | 09/27/1977 |
| 3976154 | Drive line differential apparatus for a vehicle A vehicle drive train includes a pair of drive shaft portions, and an intershaft differential connecting them. One drive shaft portion drives a pair of drive axles through a differential mechanism, each drive axle in turn driving a pair of wheels in tande... | 08/24/1976 |
