Source: http://www.google.com/patents/US6651770?dq=6437692
Timestamp: 2015-04-02 06:54:58
Document Index: 132261549

Matched Legal Cases: ['application No. 09', 'application No. 09', 'application No. 09', 'application No. 09', 'application No. 09', 'application No. 09', 'application No. 09', 'Application No. 09', 'application No. 09', 'Application No. 09']

Patent US6651770 - Driving apparatus for speed changing and steering of a vehicle - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsA driving apparatus for speed changing and steering of a vehicle consists of a first driving unit for speed changing in advancing and reversing and a second driving unit for steering, which are arranged in a longitudinal row and are attached to a vehicle chassis. Each of the first driving unit and the...http://www.google.com/patents/US6651770?utm_source=gb-gplus-sharePatent US6651770 - Driving apparatus for speed changing and steering of a vehicleAdvanced Patent SearchPublication numberUS6651770 B2Publication typeGrantApplication numberUS 09/967,992Publication dateNov 25, 2003Filing dateOct 2, 2001Priority dateNov 13, 2000Fee statusLapsedAlso published asUS6591936, US6629577, US6648094, US6874593, US20010045316, US20010045317, US20020007980, US20040060270Publication number09967992, 967992, US 6651770 B2, US 6651770B2, US-B2-6651770, US6651770 B2, US6651770B2InventorsRobert Abend, Kerwyn StollOriginal AssigneeTuff Torq CorporationExport CitationBiBTeX, EndNote, RefManPatent Citations (113), Non-Patent Citations (24), Referenced by (3), Classifications (10), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetDriving apparatus for speed changing and steering of a vehicle
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS168955Oct 19, 1875 Improvement in differential gears for traction-enginesUS2191961Aug 3, 1938Feb 27, 1940Howell Roy CSteering mechanism for motor vehiclesUS2255348Jun 26, 1939Sep 9, 1941Brown Floyd De LMotor vehicleUS2311922Jun 20, 1941Feb 23, 1943Isaacson Iron WorksTractorUS2332838Jul 1, 1939Oct 26, 1943Borgward Carl Friedric WilhelmSteering gearUS2336911Sep 5, 1941Dec 14, 1943Vickers IncPower transmission and steering control for traction devicesUS2336912Sep 5, 1941Dec 14, 1943Vickers IncPower transmission and steering control for traction devicesUS2391735Nov 13, 1941Dec 25, 1945Acrotorque CompanySteering control mechanism for vehiclesUS2530720Mar 4, 1944Nov 21, 1950Municipal Supply CompanyHydraulic vehicle drive with individual motors for multiple driven partsUS2745506Oct 21, 1952May 15, 1956Goodman Mfg CoLever control mechanism for combined operation of vehicle tramming and steering valvesUS2763164Apr 7, 1955Sep 18, 1956Universal Match CorpSteering-by-driving control and powertransmitting mechanism for vehiclesUS2936033Mar 6, 1958May 10, 1960Greenbergh Gates Geoffrey RobeClutch-operated steering gear for vehiclesUS3059416Jul 2, 1959Oct 23, 1962John F CampbellFluid drive and brake systemUS3371734Sep 8, 1966Mar 5, 1968Renk Ag ZahnraederSteering system for endlesstrack vehiclesUS3376760Mar 4, 1966Apr 9, 1968Army UsaRegenerative steering differentialUS3395671May 16, 1966Aug 6, 1968Chrysler CorpSteering device for amphibious vehicleUS3450218May 24, 1967Jun 17, 1969Looker Ivan LPlanetary gear type steering device for track vehiclesUS3492891Jul 3, 1968Feb 3, 1970Gen Motors CorpSingle speed range input-split-power drive,multispeed range compound-split-power drive,power trainUS3530741Dec 18, 1968Sep 29, 1970Andre CharestMechanical driving and steering system for tracked vehiclesUS3590658Sep 28, 1967Jul 6, 1971Robert M TuckPower trainUS3596535Sep 4, 1969Aug 3, 1971Gen Motors CorpTransmission providing hydrostatic drive and hydromechanical driveUS3603176Oct 10, 1969Sep 7, 1971Gen Motors CorpTransmissionUS3612199Sep 3, 1969Oct 12, 1971Landbouwwerktuigen Maschf H ViVehicleUS3717212Sep 20, 1971Feb 20, 1973Gen Motors CorpSteer control for hydrostatic systemUS3796275 *Apr 28, 1972Mar 12, 1974Bouyer JDriving device for powered vehicles, and more particularly to lawn-mower vehiclesUS3869014 *Feb 19, 1974Mar 4, 1975Fmc CorpStarting interlock systemUS3901339Apr 15, 1974Aug 26, 1975Clark Equipment CoHydrostatic drive-steer systemUS3903977Jul 1, 1974Sep 9, 1975Case Co J ISkid steer vehicle with caster wheelUS3907051Apr 19, 1973Sep 23, 1975Arthur SchwartzStand-up wheelchairUS3966005Jan 15, 1975Jun 29, 1976Zahnradfabrik Friedrichshafen AgCompound steering system for endless-track vehiclesUS3978937Sep 23, 1974Sep 7, 1976Clark Equipment CompanyHydrostatic propulsion systemUS4133404Aug 25, 1976Jan 9, 1979Agile Systems, Inc.Automatic lawn mowerUS4174762Apr 3, 1978Nov 20, 1979Caterpillar Tractor Co.Hydrostatic transmission with differential steeringUS4245524Nov 8, 1978Jan 20, 1981Fairfield Manufacturing CompanySteering differentialUS4281737Dec 26, 1979Aug 4, 1981International Harvester CompanyBraking and speed control systemUS4320810Dec 17, 1979Mar 23, 1982Chromalloy American CorporationVehicle with improved steering system deviceUS4399882Jul 6, 1981Aug 23, 1983Deere & CompanyControl mechanism for a dual hydrostatic transmission vehicle drive systemUS4471669Jan 21, 1982Sep 18, 1984J. I. Case CompanyTrack drive system with dual mode steeringUS4572310 *Jul 30, 1984Feb 25, 1986Ransomes, Inc.Drive system for a vehicleUS4577711May 24, 1984Mar 25, 1986Butler Claude OTandem wheel flexible drive suspensionUS4620575 *Feb 11, 1985Nov 4, 1986Gilson BrothersSpeed control for lawn and garden vehicleUS4718508Feb 20, 1986Jan 12, 1988Tervola Pentti JFor a vehicleUS4729257Jul 28, 1986Mar 8, 1988Nelson Donald FBalanced steerable transmissionUS4732053Nov 5, 1984Mar 22, 1988Gleasman Vernon EMulti-axle vehicle steer drive systemUS4738328Jan 6, 1987Apr 19, 1988Bryant-Poff, Inc.Housing for a riding lawnmower transmissionUS4776235Mar 19, 1987Oct 11, 1988Gleasman Vernon ENo-slip, imposed differential reduction driveUS4776236Mar 19, 1987Oct 11, 1988Gleasman Vernon ENo-slip, imposed differentialUS4782650 *Aug 31, 1987Nov 8, 1988Walker Manufacturing CompanyMowing apparatusUS4790399Mar 9, 1988Dec 13, 1988Middlesworth Engineering & Manufacturing, Inc.Steering mechanism for a zero turning radius vehicleUS4809796Oct 15, 1987Mar 7, 1989Kanzaki Kokyukoki Mfg. Co. Ltd.Transmission system for working vehiclesUS4813506Jul 13, 1987Mar 21, 1989The United States Of America As Represented By The Secretary Of The ArmyTracked vehicle steering mechanismUS4870820 *Apr 8, 1988Oct 3, 1989Kanzaki Kokyukoki Mfg. Co. Ltd.HST (hydro-static-transmission) system driving speed changing apparatusUS4875536Jul 20, 1988Oct 24, 1989Agria-Werke GmbhControl device for operating a motor vehicleUS4882947Feb 6, 1989Nov 28, 1989Barnard Jan HTrack-laying deviceUS4895052Oct 11, 1988Jan 23, 1990Gleasman Vernon ESteer-driven reduction drive systemUS4914907 *Feb 1, 1989Apr 10, 1990Kanzaki Kokyukoki Mgf. Co. Ltd.Axle driving apparatusUS4917200Aug 10, 1988Apr 17, 1990Lucius Ivan RSteering method and apparatus for skid-steering vehicleUS4932209Feb 1, 1989Jun 12, 1990Kanzaki Kokyukoki Mf. Co. Ltd.Axle driving apparatusUS4949823Jun 29, 1989Aug 21, 1990Caterpillar Inc.Control system and logic system for independent control of vehicle brakesUS5004060Oct 27, 1988Apr 2, 1991Fiatgeotech S.P.A.Tracked vehicle with an epicyclic steering differentialUS5015221Jun 18, 1990May 14, 1991Smith Roger RDifferential steering mechanismUS5052511 *Jul 17, 1990Oct 1, 1991Deere & CompanyAutomatic return mechanism for hydrostatic transmission pressure release valveUS5094326Sep 24, 1990Mar 10, 1992Simplicity Manufacturing, Inc.Control linkage for hydrostatic transmissionUS5131483Jan 28, 1991Jul 21, 1992Shivvers, Inc.Single lever controlUS5195600Jul 11, 1991Mar 23, 1993General Electric CompanyElectric drive system for track-laying vehiclesUS5201240 *Jun 14, 1991Apr 13, 1993Deere & CompanyVehicle control linkage mechanismUS5247784Apr 8, 1992Sep 28, 1993Kubota CorporationTransmission system capable of driving right and left drive wheels at different speedsUS5279376Apr 27, 1992Jan 18, 1994Shivvers, IncorporatedForce neutralizing mechanism for a single lever controlUS5285866Jul 25, 1991Feb 15, 1994Joy Manufacturing Company (Africa) Limited (Pty)For a vehicleUS5307612Mar 12, 1993May 3, 1994Kubota CorporationLawn mower having a steering handle switchable between a walking mode and a riding modeUS5314387Jul 22, 1992May 24, 1994Hydro-Gear Limited PartnershipHydrostatic transmissionUS5335739Dec 30, 1992Aug 9, 1994Ian PieterseAgricultural vehicleUS5339631Feb 24, 1993Aug 23, 1994Kanzaki Kokyukoki Mfg. Co. Ltd.Axle driving systemUS5367861 *Nov 19, 1992Nov 29, 1994Kubota CorporationRiding lawn mowerUS5383528Feb 1, 1993Jan 24, 1995Nicol; AlexanderDrive system having a linkage for controlling the operation of groundwheels in a motor vehicleUS5387161Feb 10, 1992Feb 7, 1995Honda Giken Kogyo Kabushiki KaishaTorque distributing mechanism in differentialUS5505279May 28, 1991Apr 9, 1996Sauer Inc.Hydrostatic transmission and axle assemblyUS5507138Dec 16, 1994Apr 16, 1996Wright Manufacturing Inc.Power mower with riding platform for supporting standing-operatorUS5517809Apr 14, 1995May 21, 1996Rich; TomConvertible lawn mowerUS5535840Jun 30, 1994Jul 16, 1996Kabushiki Kaisha Komatsu SeisakushoSteering system for use in a track-laying vehicleUS5553453May 18, 1995Sep 10, 1996Caterpillar, Inc.Method for providing different speed ranges for a speed pedalUS5560447Jun 1, 1995Oct 1, 1996Kanzaki Kokyukoki Mfg. Co., Ltd.Drive transmission for working vehiclesUS5564518Apr 21, 1994Oct 15, 1996Kanzaki Kokyukoki Mfg. Co., Ltd.Four-wheel drive transmission for working vehiclesUS5644903Aug 30, 1995Jul 8, 1997Davis, Jr.; Robert D.Steering control for zero turn radius mowerUS5649606May 26, 1995Jul 22, 1997Deere & CompanyIn a vehicle steering and speed/direction control mechanismUS5667032Dec 22, 1994Sep 16, 1997Kamlukin; IgorSelf propelled mower with low radius pivoted rear wheel steeringUS5706907Dec 4, 1995Jan 13, 1998Unruh; Vernon A.Dual lever clutch actuatable direction controlled drive transmission systemUS5722501May 24, 1996Mar 3, 1998Teftec CorporationBevel steering gear integrated drive transmissionUS5775437Oct 9, 1996Jul 7, 1998Honda Giken Kogyo Kabushiki KaishaWorking vehicleUS5782142 *Apr 12, 1996Jul 21, 1998Tuff Torq CorporationAxle driving apparatusUS5842378Mar 18, 1997Dec 1, 1998Deere & CompanyFor mounting a forward pedal and a reverse pedal to a vehicleUS5850886Jul 18, 1996Dec 22, 1998Honda Giken Kogyo Kabushiki KaishaSteering control device for vehicle having continuously variable transmissionUS5894907Jul 12, 1996Apr 20, 1999Mtd Products Inc.Asymmetrical drive systemUS5910060 *Mar 5, 1998Jun 8, 1999Blume; David B.TransmissionUS5913802Jun 6, 1997Jun 22, 1999Excel Industries, Inc.Single lever drivewheel steering power lawn mowerUS5946894Jan 5, 1998Sep 7, 1999Commercial Turf Products, Inc.Riding lawn mower having desirable weight distributionUS5947219Jan 16, 1997Sep 7, 1999Mtd Products Inc.Air flow structure for use with an associated engineUS5975224Dec 10, 1997Nov 2, 1999Caterpillar Inc.Method for controlling steering in a hydrostatic drive system having differential steerUS5997425Dec 18, 1998Dec 7, 1999Caterpillar Inc.Differential steer and final drive configurationUS6026634Jan 21, 1997Feb 22, 2000Mtd Products IncControl system and method for stopping the rotation of a cutting blade when the mower is placed in reverseUS6035959May 14, 1998Mar 14, 2000Mtd Products IncVacuum actuated power steering systemUS6038840Oct 10, 1997Mar 21, 2000Kubota CorporationRear discharge mower unit and lawn tractorUS6098386 *Mar 27, 1998Aug 8, 2000Kanzaki Kokyukoki Mfg. Co., Ltd.Riding lawn mower and transmission for the sameUS6098740 *Oct 8, 1997Aug 8, 2000Kanzaki Kokyukoki Mfg. Co. Ltd.Axle driving unit for a lawn tractorUS6126564Jul 8, 1999Oct 3, 2000Kanzaki Kokyukoki Mfg. Co., Ltd.Axle driving apparatusUS6129164Mar 26, 1999Oct 10, 2000Deere & CompanyMechanism for correct steering in reverseUS6141947Jun 4, 1999Nov 7, 2000Mtd Products IncDynamic drive and brake systemUS6152248Nov 14, 1997Nov 28, 2000Yanmar Agricultural Equipment, Lts.Mobile agricultural machineUS6189641Apr 15, 1999Feb 20, 2001Kanzaki Kokyukoki Mfg. Co., Ltd.Four-wheel hydraulic drive system for working vehicleUS6196342Oct 5, 1999Mar 6, 2001Deere & CompanyMechanism for correct steering in reverseUS6196348Jul 21, 1998Mar 6, 2001Kanzaki Kokyukoki Mfg. Co., Ltd.Driving system for a working vehicleUS6257357Mar 26, 1999Jul 10, 2001Deere & CompanySteering device for drive and steer transmissionUSRE34057Dec 12, 1990Sep 8, 1992Simplicity Manufacturing, Inc.Steering mechanism for a zero turning radius vehicle* Cited by examinerNon-Patent CitationsReference1Brochure Regarding Differential Steering, pp. 4-15.2Deere & Company, "240, 245, 260, 265, 285, and 320 Lawn and Garden Tractors Technical Manual", front cover and pp. 10-2 to 10-4 and 10-6, date of publication, 1996.3Dixon Industries, Inc., "Dixon ZTR Riding Mowers", pp. 1-4, 1997.4Electric Tractor Corporation, "An Idea Whose Time Has Come", 5 pages, date of publication unknown, published in Ontario, Canada.5Electric Tractor Corporation, Model #9620,"The Ultimate Lawn and Garden Tractor", 6 pages, date of publication unknown.6Excel Industries, Inc. "Hustler 4000 Series", 1995, pp. 1-8.7Excel Industries, Inc., "U-T-R The Ultimate Turning Radius", 1992, pp. 1-6.8ExMark "Professional turf care equipment", 20 pages, 1997.9Farm Show Magazine, "Battery Powered Riding mower", 1 page, date of publication, Mar.-Apr. 1996.10Ferris Industries, Inc., "The ProCut Z Zero Turn Rider", pp. 1-2, 1997.11Michael Bargo, Jr., "Tanks and dozers turn on a dime with new all gear steering", Popular Science, Jul. 1985, pp. 60-62.12R.M. Ogokiewicz, "Tank Steering Mechanisms", The Engineer, Mar. 3, 1967, pp. 337-340.13Shivvers, Mfg., "Zero turn radius mower, The Commercial Clipper", pp. 1-4, 1997.14U.S. application No. 09/372,747, filed Aug. 11, 1999, entitled Running Vehicle. (0666.1360000).15U.S. application No. 09/489,678, filed Jan. 24, 2000, entitled Integral Hydrostatic Transaxle Apparatus for Driving and Steering. (0666.1420000).16U.S. application No. 09/489,680, filed Jan. 24, 2000, entitled Vehicle Improved in Steering. (0666.1400000).17U.S. application No. 09/622,414, filed Aug. 16, 2000, entitled Integral-type Hydraulic and Mechanical Transaxle Apparatus for Driving and Steering a Vehicle. (0666.1520000).18U.S. application No. 09/642,147, filed Aug. 21, 2000, entitled Axle Driving Apparatus. (0666.1340001).19U.S. application No. 09/700,923, filed Nov. 21, 2000, entitled Transmission for Speed Changing and Steering of a Vehicle. (0666.1150000).20U.S. application No. 09/820,673 filed on Mar. 30, 2001, which is a continuation-in-part of U.S. Application No. 09/372,747 filed Aug. 11, 1999. (1360001).21U.S. application No. 09/821,043 filed on Mar. 30, 2001, which is a continuation-in-part of U.S. Application No. 09/489,678, now U.S. Patent No. 6,312,354. (1420001).22Westwood, "The Westwood Clipper, Owner's Instruction Manual", pp. 1-17, 19, date of publication unknown.23Woods Equipment Company "Woods Mow'n Machine, Zero turning radius riding mower", 12 pages, 1997.24Zipper, TS Mower, "The Zipper-TS Mowers", pp. 1-2, 1997.Referenced byCiting PatentFiling datePublication dateApplicantTitleUS7578362 *Mar 6, 2007Aug 25, 2009Sauer-Danfoss Inc.Vehicles with dual path hydromechanical transmissionsUS7597160Aug 28, 2006Oct 6, 2009Lawson Jr Thomas TowlesFour wheel drive systemUS8020647 *Apr 29, 2009Sep 20, 2011Cnh America LlcSteering control system* Cited by examinerClassifications U.S. Classification180/367, 180/305, 180/6.2International ClassificationB62D11/18, B60K17/10Cooperative ClassificationB60K17/105, B62D11/18, B60Y2200/223European ClassificationB60K17/10T, B62D11/18Legal EventsDateCodeEventDescriptionJan 17, 2012FPExpired due to failure to pay maintenance feeEffective date: 20111125Nov 25, 2011LAPSLapse for failure to pay maintenance feesJul 4, 2011REMIMaintenance fee reminder mailedApr 12, 2007FPAYFee paymentYear of fee payment: 4RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services