Class 74/665T - Vehicle

Subclass of Class 74 - Machine element or mechanism
No. of patents: 91
Last issue date: 04/27/2010

Number	Title	Issue Date
7703353	Drive unit connected to a transmission output for producing forward and reverse device A drive unit located in a power path between a transmission output and the wheels of a vehicle for reversing the direction of the transmission output includes a gear set including an input driveably connected to the transmission output, and a gearset output alternat...	04/27/2010
7363832	Transmission system for scooters A transmission system for a scooter has a gear train assembly and a gear shifting mechanism. The gear train assembly has an input shaft, which is provided with an integral gear, an intermediate shaft, an output shaft, an input fork, an intermediate fork, an output f...	04/29/2008
7354373	Vehicle drive unit, and four-wheel-drive vehicle drive unit A vehicle drive unit including (a) a transversely-mounted engine, (b) a transmission receiving an output of the engine and having an output shaft, and (c) a differential gear device including a ring gear and arranged to transmit an output of the transmission to a pa...	04/08/2008
7337696	Two-speed transfer case with integrated declutch A two-speed transfer case includes an input shaft that is driven by a vehicle engine, a first output shaft that is coupled to a rear axle, and a second output shaft that is coupled to a front axle. The transfer case also includes a high range gear set and a low rang...	03/04/2008
7309301	Transaxle having a differential mechanism and on-demand transfer clutch A powertrain for transmitting power to the drive wheels of a vehicle includes a transaxle case containing a transaxle drive mechanism for producing variable ratios of a speed of its output and a speed of its input, a differential mechanism for transmitting power bet...	12/18/2007
7155997	Motor vehicle differential The invention concerns a motor vehicle differential comprising a case including perforations; differential pinion shafts, each differential pinion shaft having an end accommodated by a perforation; and a cap; wherein the differential pinion shafts are locked in tran...	01/02/2007
7150693	Hydrostatic transmission and power train for vehicle A hydrostatic transmission for vehicle interposed in a drive-power transmission path between a driving power source and a driving axle for non-stepwisely changing the speed of the vehicle includes an HST housing; a hydraulic pump unit having a pump shaft with first ...	12/19/2006
7150694	Power take-off unit for four-wheel drive vehicle A full-time power take-off unit is equipped with a dual-mode bi-directional overrunning clutch and a shift mechanism to establish all-wheel drive and part-time four-wheel drive modes. Further, the power take-off unit includes a disconnect clutch that is controlled b...	12/19/2006
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
7001302	Differential drive with lightweight differential carrier A differential drive having a drive housing in which a differential carrier (14) is rotatably supported around its longitudinal axis (A). The drive has sideshaft gears (18, 19) which are supported so as to be rotatable relative to the differential carr...	02/21/2006
6862953	Modular bi-directional clutch assembly A controllable, multi-mode, bi-directional overrunning clutch assembly and a shift system are adapted for use in a power transmission device. The clutch assembly includes a first ring journalled on a first rotary member, a second ring fixed to a second rotary member...	03/08/2005
6821227	Transfer case with synchronized range shift and controllable bi-directional clutch A full-time two-speed transfer case is equipped with an integrated planetary gearset assembly and a range shift mechanism to provide high-range and low-range drive connections. The integrated planetary gearset assembly includes a first gearset which acts as a two-sp...	11/23/2004
6805652	On-demand transfer case with controllable bi-directional overrunning clutch assembly A controllable, multi-mode, bi-directional overrunning clutch assembly and a mode shift system are adapted for use in a transfer case for transferring drive torque from a primary output shaft to a secondary output shaft so as to establish four-wheel drive modes. The...	10/19/2004
6629470	Tractor having a high speed shift device A tractor includes a frame, an engine, a transmission for selecting a number of vehicle speeds, and a device for transmitting power from the engine to a PTO mechanism. The tractor has a mechanism forming part of the device by which the tractor speed can b...	10/07/2003
6601474	Hydrostatic transmission and power train for vehicle A hydrostatic transmission for vehicle interposed in a drive-power transmission path between a driving power source and a driving axle for non-stepwisely changing the speed of the vehicle includes an HST housing; a hydraulic pump unit having a pump shaft ...	08/05/2003
6595086	Power distribution apparatus for a four-wheel drive vehicle A hydraulic multi-plate clutch is disposed between a second gear for changing the transmission direction of drive force to a parallel position and an engine. An oil pressure driving portion for actuating the hydraulic multi-plate clutch comprises integral...	07/22/2003
6523430	Power take-off unit with gearset A power take-off unit for a transaxle is provided with a unique double enveloping worm/worm gear transmission which has a ratio of the number of gear teeth on the worm gear to the number of threads on the worm which is low. The worm/worm gear transmission...	02/25/2003
6206128	Working vehicle In a working vehicle such as an agricultural tractor, a front wheel change speed device for transmitting drive to front wheels includes an equal speed clutch for driving the front wheels substantially at the same speed as rear wheels, and an accelerating ...	03/27/2001
6158303	Transfer case for four wheel drive vehicle In a transfer case for a four-wheel drive vehicle having a front wheel drive axle assembly which includes a first wheel drive axle shaft arranged in parallel to the engine output shaft and connected to a transmission output shaft through a first helical r...	12/12/2000
6125961	Four-wheel drive vehicle A four-wheel drive vehicle includes a first transmission system for transmitting power from an engine to a left and a right first driving wheel provided with a braking unit, and a second transmission system branching off from the first transmission system...	10/03/2000
5911644	Two-speed transfer case with synchronized range shift mechanism A transfer case for a four-wheel drive vehicle having a planetary gear assembly and a synchronized range clutch operably associated with the input to the planetary gear assembly which can be selectively shifted on-the-fly for establishing high-range and l...	06/15/1999
5884526	Actuator for transfer case A transfer case for a vehicle having two output shafts, a gear reduction assembly, a coupling mechanism and an overrunning roller clutch for selectively producing driving of one shaft only or both shafts concurrently. The coupling mechanism selectively co...	03/23/1999
5807201	Transmission apparatus capable of being driven in two reverse speeds A transmission apparatus for a vehicle includes an input shaft and an output shaft. The input shaft receives power from an engine of the vehicle. One of three gear pairs having different gear ratios operationally connects the input shaft to the output sha...	09/15/1998
5722305	System for generating difference in speed between left and right wheels of vehicle A gearbox mounted between axles for left and right follower wheels of a vehicle includes a countershaft parallel to the axles. The countershaft is rotated at a speed greater than those of the right axle by speed-increasing gears. The countershaft and the ...	03/03/1998
5634863	Drop box with angled input shaft A power transfer system is disclosed having a drop box for connecting a motor vehicle's drivetrain to an offset driveline. The drop box has an input that is angled relative to its output by means of a constant velocity (CV) universal joint. More specifica...	06/03/1997
5417298	Torque distribution control apparatus for vehicle In a vehicle including a torque distributing device for distributing the torque of an engine to left and right driving wheels, a feed-forward control system determines a lateral distribution torque T1 from an engine torque TE, a numb...	05/23/1995
5353889	Power transmitting device for four-wheel drive vehicle A power transmitting device for a four-wheel drive vehicle which includes main driven wheels driven directly by an engine and speed-change transmission, a left sub-driven wheel driven through a first hydraulic pressure clutch, a right sub-driven wheel dri...	10/11/1994
5271478	Power transmitting system A power transmitting system for a vehicle includes a rotatable input shaft for introducing driving power into the system, a rotatable first output shaft for transmitting the driving power from the system, and a rotatable second output shaft for also trans...	12/21/1993
5168956	Transfer device for four wheel drive motor vehicle A transfer device for a four wheel drive motor vehicle is shown, which comprises an input shaft; a rear wheel output shaft arranged coaxial with the input shaft; a front wheel output shaft arranged in parallel with the input shaft; an auxiliary transmissi...	12/08/1992
5117937	Transfer device for four wheel drive motor vehicle A transfer device for a four wheel drive motor vehicle is disclosed, which comprises an input shaft; a rear wheel output shaft arranged coaxial with the input shaft; a front wheel output shaft arranged in parallel with the input shaft; a center differenti...	06/02/1992
5109944	Four wheel-drive system with viscous coupling A four-wheel drive system comprises a first drive train that is mechanically engageable for transmitting a driving force from an engine to a set of front wheels and a second drive train that is provided with a viscous coupling for transmitting a driving f...	05/05/1992
5052245	Transfer case for a four wheel drive vehicle with automatic transmission The operation device of a transmission in accordance with the present invention has a lock mechanism which can lock a shift rod in either a high speed range or a low speed range in a transfer in response to a detection signal when a control lever is posit...	10/01/1991
5006098	Power transfer mechanism for motor vehicle In a power transfer mechanism including an input shaft arranged to be applied with drive torque from a prime mover of a motor vehicle, a first output shaft arranged coaxially with the input shaft for drive connection to a first set of drive axles and a se...	04/09/1991
4995862	Interaxle transfer mechanism for four wheel drive vehicles For a part time four wheel drive vehicle, auxiliary drive power is handled by an interaxle transfer mechanism comprising a braked differential gear set interposed in the vehicle's auxiliary motive power path, providing, in addition to the normal two wheel...	02/26/1991
4984482	Drive power transmission mechanism for motor vehicles A drive power transmission mechanism in a motor vehicle having a drive power source includes a propeller shaft having a front end coupled to the drive power source, an intermediate shaft extending transversely to the propeller shaft and operatively couple...	01/15/1991
4977796	Drive system for railroad track vehicle A differential adapter is provided for adapting a typically standard axle assembly to use in a railroad track vehicle. Such an axle assembly has a spur gear, a differential case with a plurality of radially extending openings, connected to the spur gear, ...	12/18/1990
4938307	Power transfer device for four-wheel drive In a power transfer device for four-wheel drive including a differential arranged to split the driving torque from a power transmission into two torque delivery paths, a first output shaft assembly in drive connection to the differential to transfer the s...	07/03/1990
4915190	Control system for split axle drive mechanism in part-time four-wheel drive vehicle In a part-time four-wheel drive vehicle equipped with a transfer device adapted to change the operating mode of the vehicle drive system from a two-wheel drive mode to a four-wheel drive mode in response to engagement of a hydraulically operated clutch me...	04/10/1990
4883142	Drive arrangement for connecting a vehicle output shaft to a vehicle axle In a drive arrangement for a motor vehicle, with an engine, a clutch, a change-speed transmission and an axle drive, the drive connection from the transmission output shaft to the axle drive shafts driving the vehicle wheels is constructed U-shaped. The c...	11/28/1989
4870874	Starting and reverse transmission apparatus A power transmission, particularly adapted for motorcycle application, in which a first planetary gear reduction system reduces power output from the starter motor for starting the engine and a second planetary gear reduction system operated in cooperatio...	10/03/1989

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Class 74/665T - Vehicle