[특허]Steering mechanism for a zero turning radius vehicle

Steering mechanism for a zero turning radius vehicle 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-006/00
출원번호	US-0736853 (1990-12-12)
발명자 / 주소	Middlesworth Tommy A. (Sheboygan Falls WI)
출원인 / 주소	Simplicity Manufacturing, Inc. (Port Washington WI 02)
인용정보	피인용 횟수 : 87 인용 특허 : 0

초록 ▼

A driving and steering mechanism for a vehicle having a pair of driving wheels includes a steering wheel rotatably mounted to the vehicle and an accelerator foot pedal pivotably mounted to the vehicle. Transmissions associated with the driving wheels include a pivotable control arm for controlling the operation of the transmission, which independently controls the speed and direction of rotation of the associated wheel. The vehicle is turned by causing one wheel to rotate faster than the other wheel. A zero turning radius turn can be effected by causing the driving wheels to rotate in opposite directions. The driving and steering mechanism includes a pair of floating links pivotably connected at one end to a respective transmission control arm. Steering links, associated with the steering wheel, are pivotably connected to a respective floating link distal the connection to the control link. Accelerator links, associated with the accelerator foot pedal, are pivotably connected to a respective floating link at a point between the control arm and steering link pivot points. The floating links operate to integrate outputs from the steering wheel and the accelerator foot pedal into a pair of outputs applied to the pair of control arms, thereby controlling the speed and direction of rotation of a respective driving wheel in response to the prescribed steerage and speed.

대표청구항 ▼

A driving mechanism and an independent steering mechanism for a vehicle having a pair of driving wheels, comprising: reversible motor means for driving each one of said pair of driving wheels, including control means for controlling the speed and direction of rotation of each one of said pair of driving wheels independently of the other, thereby controlling the actual speed and actual steerage of the vehicle; a steering mechanism operable by the operator of the vehicle to prescribe a steerage for the vehicle and having a first output representing said prescribed steerage; an accelerator mechanism operable by the operator of the vehicle to prescribe a speed for the vehicle and having a second output representing said prescribed speed with said accelerator mechanism mechanically independent of said steering mechanism; and integrator linkage means, disposed between said control means and first and second outputs, for integrating said first and second outputs into a third output, said third output being applied to said control means to coordinate the speed and direction of rotation of each of said reversible motor means in response to said prescribed steerage and said prescribed speed, and including means for reducing said actual vehicle steerage relative to said prescribed steerage as said prescribed speed is increased.

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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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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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연합인증

Steering mechanism for a zero turning radius vehicle 원문보기

초록 ▼

대표청구항 ▼

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Steering mechanism for a zero turning radius vehicle 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (87)

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