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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0021802 (1979-03-19) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 4 인용 특허 : 0 |
A drive system for crawler propelled earth working machinery is described. A first clutch which is movable between a drive position for transmitting drive from a drive source to a first drive sprocket and a lock position for locking the first drive sprocket to the frame is provided. A second clutch
In a machine having a frame, a pair of crawler treads mounted on said frame and drive sprockets journaled in said frame and drivingly engaged with said crawler treads, a crawler drive system comprising drive means mounted on said frame, a first clutch movable between a drive position for transmittin
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