[특허]Steering system for use in a track-laying vehicle

Steering system for use in a track-laying vehicle 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-011/10
출원번호	US-0268931 (1994-06-30)
우선권정보	JP-0174376 (1993-07-14); JP-0121497 (1994-06-02)
발명자 / 주소	Ishino Tsutomu (Komatsu JPX) Maruyama Ryoichi (Komatsu JPX) Yamada Hideki (Komatsu JPX)
출원인 / 주소	Kabushiki Kaisha Komatsu Seisakusho (Tokyo JPX 03)
인용정보	피인용 횟수 : 40 인용 특허 : 0

초록 ▼

A steering system for use in a track-laying vehicle comprising: a steering motor that is forwardly and reversely rotatable and designed to drive crawler belts provided at both sides of the vehicle such that a relative travel difference is caused between the crawler belts, thereby turning the vehicle rightwards or leftwards; a forward/reverse drive state detector for detecting whether the vehicle is in its forward drive state or reverse drive state; a lateral turn instructing device for instructing right turn or left turn of the vehicle; and a steering motor forward/reverse rotation control unit for determining the forward or reverse rotation of the steering motor in accordance with the forward or reverse drive state of the vehicle detected by the forward/reverse drive state detector, such that the vehicle turns to the right or left in response to a right turn instruction or left turn instruction released from the lateral turn instructing device.

대표청구항 ▼

A steering system for use in a track-laying vehicle comprising: (a) driving means including a transmission, the transmission for selectively driving crawler belts provided at both sides of the vehicle at the same speed in either one of a forward direction and a backward direction by transmitting rotary driving force from an engine thereby providing one of a forward drive state and a backward drive state; (b) a steering motor that is forwardly and reversely rotatable and designed to drive said crawler belts such that a relative travel difference is caused between the crawler belts, thereby turning the vehicle rightwards or leftwards; (c) drive state detector means for detecting whether the vehicle is in one of said forward drive state and said reverse drive state by detecting whether an actual transmission revolution speed ratio of the transmission is one of a plus and a minus; (d) lateral turn instructing means for instructing right turn or left turn of the vehicle; and (e) steering motor rotation control means for effecting one of a forward rotation and a reverse rotation of the steering motor in accordance with the forward or reverse drive state of the vehicle detected by the drive state detector means, such that the vehicle turns to the right or left in response to a right turn instruction or left turn instruction released from the lateral turn instructing means, wherein said driving means includes a transmission having an input shaft and an output shaft, wherein said actual transmission revolution speed ratio is represented by the ratio of the actual revolution speed of the output shaft to the actual revolution speed of the input shaft, and said actual transmission revolution speed ratio is the plus when the rotary driving force from the engine is transmitted so that said output shaft rotates in the same direction as said input shaft, and is the minus in an opposite direction from said input shaft, and the drive state detector means detects whether one of: (1) the vehicle is in said forward drive state, and (2) the vehicle is in said reverse drive state according to whether the actual transmission revolution speed ratio of said transmission is plus or minus.

이 특허를 인용한 특허 (40)

Koji Irikura JP; Hiroaki Shimizu JP, Axle driving apparatus.
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Akashima,Susumu; Komatsu,Masakazu, Crawler tractor.
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Akashima,Susumu; Komatsu,Masakazu, Crawler tractor.
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Dabbs, Harold D.; Stemler, Eric D.; Cowper, Lance M.; Shults, Richard F., Differential steering control for a continuously variable transmission machine.
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Swick,William Christopher; Marr,Jerry Dwight; Diecke,Friedrich Konrad, Drive system for a machine.
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Abend, Robert; Stoll, Kerwyn, Driving apparatus for speed changing and steering of a vehicle.
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Abend, Robert; Stoll, Kerwyn, Driving apparatus for speed changing and steering of a vehicle.
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Abend, Robert; Stoll, Kerwyn, Driving apparatus for speed changing and steering of a vehicle.
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Abend, Robert; Stoll, Kerwyn, Driving apparatus for speed changing and steering of a vehicle.
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Abend, Robert; Stoll, Kerwyn, Driving apparatus for speed changing and steering of a vehicle.
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Lansberry John B., Earth-based vehicle.
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Ishii,Norihiro; Tottori,Hiroshi; Nemoto,Shusuke, Hydraulic driving apparatus for a wheeled vehicle.
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Irikura Koji,JPX ; Ishii Norihiro,JPX ; Ohashi Ryota,JPX ; Takada Kenichi,JPX ; Kawada Hirohiko,JPX ; Abend Robert ; Andrews Keith J. ; Hasegawa Toshiyuki ; Shimizu Hiroaki, Integral hydrostatic transaxle apparatus for driving and steering.
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Irikura, Kohji; Ishii, Norihiro; Ohashi, Ryota; Takada, Kenichi; Kawada, Hirohiko; Abend, Robert; Shimizu, Hiroaki, Integral-type hydraulic and mechanical transaxle apparatus for driving and steering a vehicle.
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Lansberry John B., Load support shifting vehicle.
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Teal Richard Donald ; Hayes Eugene Gary ; Marchese David Lewis ; Goebert Barry Joseph, Mechanism for correct steering in reverse.
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Satzler Ronnie L., Method for controlling steering in a hydrostatic drive system having differential steer.
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Satzler, Ronnie L., Method of synchronizing first and second steering arrangements.
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Toshiyuki Hasegawa JP; Koji Irikura JP; Hiroaki Shimizu JP, Multi-axle vehicle with two hydrostatic transmissions for driving-steering.
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Casey,Kent A.; Moring,Rodger L., Multi-motor drive system for a work machine.
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Irikura, Koji, Multi-wheel vehicle.
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Irikura, Koji, Multi-wheel vehicle.
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Irikura,Koji, Multi-wheel vehicle.
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Irikura,Koji, Multi-wheel vehicle.
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Irikura,Koji, Multi-wheel vehicle.
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Hasegawa, Toshiyuki; Irikura, Koji; Shimizu, Hiroaki, Multi-wheel vehicle with transmission for driving-steering.
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Schmidt, Keith R.; Grembowicz, Conrad G.; Ferguson, Alan L., Propulsion control apparatus and method for a paver.
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Hasegawa, Toshiyuki; McCloud, Travis S.; Andrews, Keith J; Abend, Robert, Riding lawn mower.
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Hasegawa,Toshiyuki; McCloud,Travis S; Andrews,Keith J; Abend,Robert, Riding lawn mower.
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Easton David Joseph, Steering control system for tracked vehicle.
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Straetker John George, Steering control system for tracked vehicle.
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Nakagawa, Tomohiro; Yamamoto, Shigeru; Suzuki, Kazuyuki, Steering system for tracklaying vehicle.
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Hou Yifei ; Mistry Sanjay Ishvarlal ; Bergene Mark Allen ; Toppin Scott Allen, Tracked vehicle steering system with failure detection.
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Mistry Sanjay Ishvarlal ; Hou Yifei ; Bergene Mark Allen ; Toppin Scott Allen, Tracked vehicle steering system with steering pump monitoring.
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Kawada, Hirohiko; Ishii, Norihiro, Transaxle apparatus.
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Hasegawa, Toshiyuki; McCloud, Travis S.; Andrews, Keith J; Abend, Robert, Transmission for speed changing and steering of a vehicle.
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Hasegawa,Toshiyuki; McCloud,Travis S.; Andrews,Keith J.; Abend,Robert, Transmission for speed changing and steering of a vehicle.
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Irikura,Koji; Ishii,Norihiro; Ohashi,Ryota; Takada,Kenichi; Kawada,Hirohiko; Abend,Robert; Andrews,Keith J.; Hasegawa,Toshiyuki; Shimizu,Hiroaki, Vehicle improved in steering.
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Koji Irikura JP; Norihiro Ishii JP; Ryota Ohashi JP; Kenichi Takada JP; Hirohiko Kawada JP; Robert Abend ; Keith J. Andrews ; Toshiyuki Hasegawa ; Hiroaki Shimizu, Vehicle improved in steering.
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Irikura, Koji; Ishii, Norihiro; Ohashi, Ryota; Takada, Kenichi; Kawada, Hirohiko; Abend, Robert; Andrews, Keith J.; Hasegawa, Toshiyuki; Shimizu, Hiroaki, Vehicle improved steering.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Steering system for use in a track-laying vehicle 원문보기

초록 ▼

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이 특허를 인용한 특허 (40)

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Steering system for use in a track-laying vehicle 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (40)

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