Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7347434 | Four-wheel steering assembly A steering assembly for a vehicle includes a forward apparatus positioned toward the front of the vehicle and having a first front wheel assembly and a second front wheel assembly. The steering assembly includes a gear having teeth and being pivotable about a pivot ... | 03/25/2008 |
| 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 |
| 7232140 | Steering knuckle pin bearing In a wheel support structure of a commercial vehicle including an axle with a jaw structure having two bearing bores and a stub protruding into the jaw structure with a pin extending into the stub and into the bearing bores, the bearing bores are closed adjustably b... | 06/19/2007 |
| 7232000 | Drive-steer axle for motor-driven vehicles The invention concerns an axle (1) comprising a differential (6), two transmission lines (8) from the differential and adapted each to drive a drive wheel (2), members (4) for directional control of the drive wheels (2), eac... | 06/19/2007 |
| 7168723 | Front wheel drive for toy vehicles Front wheel drive mechanism for toy vehicles in which supports are attached to the vehicle, with a drive bar being positioned between them, at each end of which is mounted a respective sub-assembly including a clasp and a cross link, of which two legs are fitted int... | 01/30/2007 |
| 7159819 | Mounting structure for mounting a turboprop under an aircraft wing A mounting structure for mounting a turboprop under an aircraft wing includes a rigid structure provided with an aft underwing box, and at least one forward rigid section. Each forward rigid section has two transverse frames at a spacing from each other. At least on... | 01/09/2007 |
| 7073625 | Exhaust gas muffler and flow director Either or both of an exhaust pipe coupled to the output end of an automobile engine collector pipe or the plurality of pipes coupled to the input apertures of the collector pipe from the engine are apertured along their lengths and contained within a further surroun... | 07/11/2006 |
| 7055895 | Protective plate assembly for land vehicle drive line and wheel differential The protective plate assembly may protect a wheel differential and drive line of a land vehicle from damage and from causing damage. A wheel differential plate may have two axle mount members extending upwardly therefrom and a plate mounting bracket may be attached ... | 06/06/2006 |
| 7044258 | Direct drive suspension A skid steer vehicle is supported on four gearboxes that function both as control arms and as speed reduction gearboxes. Each side of the vehicle's chassis has two gearboxes to which it is coupled. A hydraulic motor is fixed to each side of the chassis to drive the ... | 05/16/2006 |
| 7024843 | Self-propelled mower having enhanced maneuverability A method for operating a mower comprises defining a reference axis of rotation at a desired point along a path segment of the mower. A controller orients wheels of the mower generally tangentially to a circular region about the reference axis. A drive motor applies ... | 04/11/2006 |
| 7024842 | Self-propelled mower having enhanced maneuverability A frame of a mower supports wheel assemblies, a propulsion unit, and a mowing deck. Each wheel assembly is associated with a corresponding wheel, a corresponding electrical steering motor, and a corresponding electrical drive motor. A controller controls a direction... | 04/11/2006 |
| 6942049 | In-wheel motor for electric automobiles The present invention provides an in-wheel motor for an electric vehicle allowing a drive motor to be freely mounted onto a chassis irrespective of the shape, structure, and characteristics of the drive motor as well as allowing free selection of a reduction gear ra... | 09/13/2005 |
| 6739422 | Assembly for supporting and drivingly connecting a wheel An assembly (10) for supporting a wheel of a motor vehicle and for drivingly connecting the wheel to a driveshaft, comprising a wheel carrier (11) which is attachable to the motor vehicle and is provided with an annular part (15) and a plurality... | 05/25/2004 |
| 6513614 | Transmission on all wheel steer power machine A power machine including a transmission, a chain case, a motor and a hydraulic cylinder having a rod end and a base end and a plurality of hose couplings. The hydraulic cylinder coupled to a chain case such that the base end and all of the hose couplings... | 02/04/2003 |
| 6449933 | Lawn mower A lawn mower with a vehicle body; an engine mounted on the vehicle body; caster-type front wheels; a rear wheel unit having a left rear drive wheel and a right rear drive wheel; a mower unit disposed between the front wheels and rear wheel unit; a left st... | 09/17/2002 |
| 6425453 | Transmission on all wheel steer power machine A transmission in a power machine includes an axle having an inboard and outboard end. The outboard end is coupled to a wheel through a universal joint. The inboard end is coupled, through a sprocket assembly and chain drive linkage to a hydraulic motor. ... | 07/30/2002 |
| 6148945 | Steering drive axle In a steering drive axle, particularly for agricultural tractors, the transverse transmission members (16-20) which bring the drive from a central differential (12) to the wheel hubs (13a) comprise a half-shaft portion (18) having a first end connected to... | 11/21/2000 |
| 6105984 | Independent coil spring suspension for driven wheels A modular independent coil spring suspension for steerable/non-steerable wheel assemblies and driven/non-driven axles having a single coil spring with a low spring rate secured (a) to the lower of two vertically spaced control arms which connect the chass... | 08/22/2000 |
| 5841209 | Driving axle for an industrial truck An industrial truck, in particular a fork-lift truck, has a driving axle which is fixed to the industrial truck at two mounting locations at least. A rotor of an electric propulsion motor is disposed within an axle housing (3a, 3b, 3c) of the driving axle... | 11/24/1998 |
| 5667032 | Self propelled mower with low radius pivoted rear wheel steering A riding or walk-behind self-propelled lawn mower has pivoted rear axles so that the mower is steerable to a low turning radius as measured off a lateral edge of the mower deck. The rear wheels are supported on a crossbar which is fixed at its middle to t... | 09/16/1997 |
| 5494129 | Insertable unit for a bearing assembly An insertable unit for a wheel bearing has an integrated constant velocity universal joint, which is axially insertable into the wheel carrier from the outside and which permits easy dismantling and re-assembly. The outer joint part at the wheel end can b... | 02/27/1996 |
| 5052979 | Shaft assembly for the wheel drive of a motor vehicle A wheel drive shaft assembly for a motor vehicle including two universal joints, at least one of which is a plunging joint to enable axial movement of the shaft assembly, with one of the universal joints further including a splined journal engaging into a... | 10/01/1991 |
| 4733744 | Steerable driving axle A steerable driving axle assembly is provided with a centrally located differential assembly which is fixed to a vehicle frame member and includes a pair of axle drive shafts having inner ends coupled to output shafts of the differential assembly. Each of... | 03/29/1988 |
| 4697662 | Driven axle for commercial vehicles An axle for commerical vehicles with wheels which are independently guided is provided which enables double-jointed universal shafts to be used. The intersection of the axes of the wheel guides is at a distance from the articulation of the wheel shaft on ... | 10/06/1987 |
| 4613009 | Wheel supporting structure for riding type working vehicles A wheel supporting structure (200, 300, 400) for riding type working vehicles (1) comprises a knuckle holder (80, 90) fixed to a body (2) of the vehicle and formed with a plurality of fixing holes, (83, 84, 85, 93, 94, 95) vertically spaced apart from eac... | 09/23/1986 |
| 4565389 | Vehicle suspension system A vehicle suspension system comprising a knuckle arm supporting a wheel, upper and lower arms connecting the knuckle arm to a frame of a vehicle body, and a radius rod and a stabilizer each having an end attached to the lower arm in the vicinity of an end... | 01/21/1986 |
| 4545458 | Drive mechanism for steering wheels of vehicle A drive mechanism for the steering wheels of a vehicle. The drive mechanism includes a housing adapted to be mounted on the frame of the vehicle and a differential gear in the housing adapted to be operatively connected to the drive shaft of the vehicle. ... | 10/08/1985 |
| 4530415 | Power transmission device for front-engine front-drive car A power transmission device for a front-engine front-drive car having right and left drive shafts different in length from each other. The turning moments applied to right and left front wheels when the car is accelerated are made equal to each other by m... | 07/23/1985 |
| 4413701 | Transmission with offset differential and deep wide groove radial ball bearing supporting intermediate shaft A transmission includes two drive shafts of equal length, each flexibly drivingly coupled at its outer end to a driven wheel; a differential axially located closer to a first one of the wheels and further from the other, which has a first power output sha... | 11/08/1983 |
| 4377298 | Vehicle wheel suspension In a vertical telescopic strut and transverse lower control arm type suspension, such elements are interconnected at a point substantially inboard between the ends of the control arm and the wheel support knuckle is substantially outboard of the strut axi... | 03/22/1983 |
| 4372418 | Front set of wheels for an automobile vehicle Each half set of wheels comprises a telescopic shock absorber - suspension spring assembly which is fixed in its upper part to the body of the vehicle and is rigid in its lower part with, on one hand, a ball of a ball joint articulation of a suspension ar... | 02/08/1983 |
| 4365686 | Transmission shaft for a front wheel drive vehicle having an automatic gear box This transmission shaft comprises a first transmission element having high torsional elasticity which is rigidly connected to rotate at its ends with the output shaft of the engine unit of the vehicle and a front wheel, and a second transmission element h... | 12/28/1982 |
| 4300651 | Vehicle wheel mounting and driving assembly including constant velocity universal joint In a vehicle wheel mounting and driving assembly, power from a vehicle drive unit is transmitted through a differential gear system to a first universal joint assembly and then to a second universal joint assembly mounted in the wheel of the vehicle. The ... | 11/17/1981 |
| 4271922 | Wheel suspension system An independent suspension system in which a steering knuckle is employed with an upper ball joint connection to an upper control arm and a lower ball joint connection to an axle outer end.... | 06/09/1981 |
| 4216843 | All-wheel-drive type vehicle for construction work A vehicle with a pair each of front and rear wheels. Every wheel has respective reduction gearing operatively connected with a common driving engine. Either one of the front and rear pairs is a pair of dirigible wheels, and the reduction gearing for these... | 08/12/1980 |
| 3983951 | Front end drive mounting A mounting for the front wheels of an automobile in which the wheels are driven by spherical gears, and in which the wheels may be turned about a vertical axis to a position at 90° to the normal straight forward position at least toward one side of the a... | 10/05/1976 |
| 3951222 | Lightweight automobile An conventional size automobile having lightweight monocoque construction with the outer skin shaped to form a clean external body envelope. Forces due to air flow around the body shape are used to stabilize the designed vehicle load at desired speeds. Th... | 04/20/1976 |
| 3948337 | Independent front suspension for front wheel drive This invention relates to an independent suspension system for the front steerable wheels of a motor vehicle having front wheel drive. The suspension for one of the wheels includes a transverse suspension arm and a longitudinal radius arm that are rigidly... | 04/06/1976 |
