Class 74/391 - Central driving shaft in axle

Subclass of Class 74 - Machine element or mechanism
Definition: Gearing usually for driving a motor vehicle wheel, which
No. of patents: 36
Last issue date: 02/26/2008

Number	Title	Issue Date
7335128	Drive assembly for wind turbines A drive assembly for a wind turbine includes a rotor hub, a supporting structure, a planetary gear transmission unit having sun, planet and ring gears and a planet carrier. The ring gear is non-rotatably secured to the supporting structure. A main bearing rotatably ...	02/26/2008
6951522	Active differential assembly An active differential assembly provides speed control of an associated output shaft. A differential case is rotatably mounted within a housing to drive a pair of output shafts extending from the differential case in opposite directions for distributing driving forc...	10/04/2005
6090006	Planetary transmission apparatus including vehicle-wheel hub A planetary transmission for a vehicle, comprising a planet carrier, on which at least one planet wheel is mounted, a hub arranged for a vehicle wheel and connected to the planet carrier, and a static housing which is connected to the vehicle and in which...	07/18/2000
5832778	Drive system for motorized machines A drive system includes a hollow axle with a jackshaft that extends therethrough and is mounted to extend parallel thereto. Bearings rotatably connect both the hollow axle and the jackshaft to first and second chassis portions. A first end of the jackshaf...	11/10/1998
4961485	Oil circulation in wheel head transmission A drive wheel with a friction brake having a circulating coolant in which feeding and draining take place in a non-rotational axle pipe (1) and the ring-gear carrier (2), attached thereto, without the heated coolant flowing through a planetary transmissio...	10/09/1990
4873894	Balanced free-planet drive mechanism A balanced free-planet drive mechanism includes a reaction ring gear, an output ring gear, an input sun gear arranged along a central axis, and a plurality of floating planet elements individually having a first planet gear engaged with the sun gear, a se...	10/17/1989
4798260	Steering apparatus for a front wheel drive tractor A steering apparatus for a front wheel drive tractor comprising, at each of opposite lateral sides thereof, a front axle, a front axle case housing the front axle, a kingpin, a transmission case provided in an outer end region of the front axle case to be...	01/17/1989
4714130	Axle reduction apparatus for tractor The invention provides an axle reduction apparatus for a tractor having a planetary reduction mechanism mounted between an axle and an axle drive shaft. The axle carries an integrated gear consisting of an input gear to receive drive from the drive shaft ...	12/22/1987
4693425	Drive for movable irrigation system and the like This is concerned with a drive for a movable irrigation system and the like and is more specifically concerned with a gear drive arrangement between an electric drive motor and one or more of the wheels of a tower of a movable irrigation system with two g...	09/15/1987
4649772	Planetary wheel drive assembly A planetary wheel drive assembly includes a hollow spindle secured to a frame which provides the support for a wheel structure, an outboard planetary gear set and an inboard disc brake mechanism. The planetary gear set has a ring gear connected to the spi...	03/17/1987
4616520	Arrangement of a brake in a wheel head equipped with reducing gear An axially segmented brake arrangement in a hub-shaped planetary gear wheel head for a driven axle has a sleeve which couples the two central shaft sections nonrotatably together so that the sun wheel section can be replaced or be interchangeable to enabl...	10/14/1986
4560018	Wheel tandem drive mechanism A drive mechanism is disclosed for rotating a pair of tandem wheel assemblies journalled on a centrally pivoted tandem drive housing. A jointless elastomeric belt extends about the wheel assemblies which are driven by two chains entrained over respective ...	12/24/1985
4461373	Drive axle assembly A drive axle assembly including a housing structure having a fixed spindle, a nonrotatable spacer ring disposed about the spindle and a drive hub rotatably mounted on the spindle by bearings, one of which abuts the spacer ring. The spacer ring has a brake...	07/24/1984
4424874	Drive axle device A drive axle device having the disk brake and planetary gear reducing unit at the outer end of the drive shaft and a wheel shaft outside said disk brake and gear reducing unit. The axle tube which incorporates the drive shaft terminates in a flanged porti...	01/10/1984
4424879	Wheel-hub with an epicyclic reduction gear, especially for the front axle of agricultural tractors A wheel hub with an epicyclic reducing gear is disclosed, which essentially comprises a bottom section in the form of a cup which is bolted to an intermediate belt like section having a ring gear formed in its inner periphery, a planetary gear carrier car...	01/10/1984
4391351	Parking disc brake actuator Disc brakes have heretofore not received wide utilization on fork lift trucks because of the problems of space and lubrication. A lift truck has a very small, central hub area which greatly limits the size and type of brake and the ways of lubricating the...	07/05/1983
4334590	Quick disengagement apparatus for wheel drive mechanisms In a wheel drive mechanism adapted to produce high torque, low speed power to the wheel through a gearing system that includes a sun gear and a plurality of planetary pinion gears meshed therewith, a mechanism for disengaging the sun gear to ready the veh...	06/15/1982
4317498	Wheel drive assembly A wheel drive assembly (10) for a vehicle has a spindle (14) with a bore (24). A shaft (30) is positioned within the bore (24) and defines a cavity (44) between the shaft (30) and spindle (14). A brake (46) is positioned within the cavity (34). A planetar...	03/02/1982
4291779	Wheel-mounted hydraulic drive system A wheel-mounted drive system usable for a sprocket wheel of a chain-drive vehicle has a nonrotatable two-part housing adapted to be mounted directly and substantially immovably on the vehicle frame. A hydraulic motor is mounted in one part of this housing...	09/29/1981
4270412	Hub gear for wheeled vehicles A planet gear type hub gear for transmitting torque between a drive shaft and a vehicle wheel. The end portion of the drive shaft carries a sunwheel which cooperates with a plurality of planet wheels mounted on a planet wheel holder secured to the vehicle...	06/02/1981
4186626	Wheel final drive assembly A wheel final drive assembly for vehicles, wherein the assembly includes a two stage or double reduction planetary gearing mechanism positioned within wheel hubs and connected to the vehicle drive wheels, a drive axle shaft for interconnecting a vehicle p...	02/05/1980
4181042	Drive assembly A drive assembly includes a casing containing a planetary gear assembly. A speed control arrangement is provided in association with the planetary gear assembly to vary the speed of rotation of an output member relative to the speed of rotation of an inpu...	01/01/1980
4162713	Planetary transmission with hydraulic engagement and disengagement A hydraulically operated planetary transmission and motor assembly mounted on the hub of two or more wheels of a four wheeled vehicle for providing wheel driving torque with the transmission set in drive. In an alternate form, the transmission and motor a...	07/31/1979
4160497	Transmission assembly with a braking device, particularly for vehicles A transmission assembly with braking device, particularly for vehicles, of the type comprising a speed reduction gear system between a driving shaft and a driven shaft. The braking device is constructed so as to be able to brake, on the one hand, the driv...	07/10/1979
4159657	Planetary outer end A planetary outer end of the type commonly utilized on heavy duty drive axles has a plurality of members that include a planet carrier assembly having a planet carrier housing and an abutting carrier plate rigidly attached thereto wherein the improvement ...	07/03/1979
4158971	Planetary vehicle drives Two-stage power branching planetary transmission wheel drive having an inner planetary gear set and an outer planetary gear set. The inner planetary gear set has its planetary carrier loosely splined to a fixed support or hollow spindle of the wheel drive...	06/26/1979
4142615	Wheel drive assembly A wheel driven by a planetary reduction gear train has a disc brake pack acting between a fixed member and a rotating member for stopping or slowing the rotation of the wheel. The disc brake pack is mounted between the fixed and rotatable members before t...	03/06/1979
4132134	Vehicle final drive assembly A vehicle final drive assembly includes a housing structure, a final drive gear having an internal coupling, an axis and a central load bearing plane transverse to the axis, a bearing assembly connected between the housing structure and the final drive ge...	01/02/1979
4116293	Driving mechanism A driving mechanism comprises an input sun gear meshing with planet gears; and an output shaft of a motor detachably inserted into said input sun gear to enable said input sun gear to be radially movable to a very small degree, whereby said planet gears a...	09/26/1978
4091688	Easily assembled and disassembled planetary gear assembly A planetary gear assembly which includes an axle housing for rotatably carrying an axle shaft with a sun gear at its outer end, a spindle gear removably mounted to the axle housing, and a hub rotatably mounted to the spindle gear, the axle housing, spindl...	05/30/1978
4091689	Planetary steering hub assembly A planetary gear steering hub assembly which can be easily assembled and disassembled. The assembly includes a stationary axle housing, a universally jointed axle shaft extending through the housing, and a hollow spindle having an inner end with integrall...	05/30/1978
4056018	Multiple power path concentric speed reducer A multiple power path concentric speed reducer in which a center shaft having a pinion thereon and an axle having an externally toothed gear thereon are disposed coaxially with respect to one another, and a plurality of gear trains operatively connect the...	11/01/1977
4043226	Disengage mechanism for gear drive A disengage mechanism for a gear drive including rotatable drive and driven members with one of the members having first splines. A drive actuator having second splines and being connected to rotate with one of the members and axially movable with respect...	08/23/1977
4037694	Drive axle outer end with brake and gearing A multiple disc friction brake assembly for a drive axle outer end of the planetary reduction type. A plurality of axially movable brake discs are provided internally of a wheel hub with alternate discs being fixed against rotation relative to the axle ho...	07/26/1977
4020716	Planetary transmission wheel drive mechanism In a planetary transmission wheel drive mechanism, particularly for applying driving torque to the driving wheels of heavy duty ground engaging vehicles such as trucks, tractors and the like a pair of planetary gear sets are employed in series connection ...	05/03/1977
3969950	Drive assembly An improved drive assembly includes a gerotor-type hydraulic motor having a housing connected to a frame. An output member is rotatably mounted on a hollow spindle which is integrally formed with the motor housing. Operation of the motor rotates an input ...	07/20/1976

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Class 74/391 - Central driving shaft in axle