发明名称 CRAWLER TYPE WORKING VEHICLE
摘要 PROBLEM TO BE SOLVED: To provide a small crawler type tractor which can be manufactured by utilizing a structure of a rear wheel-driven small wheel type tractor to a maximum extent possible, and enhance operability, workability and safety. SOLUTION: A crawler type traveling device 80 having crawler frames 81 for rotatably supporting driven idlers 85 at both ends and a drive sprocket 60 fitted to an axle 89 while a crawler belt 95 wrapped around between the driven idler 85 and the drive sprocket 60 is provided at a lower part of an upper vehicle body 90. The drive sprocket 60 is turned by power from an HST pump 72 for turning and an HST motor 73 for turning. The HST pump 72 for turning and the HST motor 73 for turning are separately arranged. The HST pump 72 for turning and a charge pump 101 for feeding a working fluid to the turning HST pump 72 are separately arranged. COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008049864(A) 申请公布日期 2008.03.06
申请号 JP20060228732 申请日期 2006.08.25
申请人 YANMAR CO LTD 发明人 YAMASHITA YUMIKO;YOKOYAMA KAZUHISA;TSUJITA MASABUMI;KAWACHI YOSHIHARU
分类号 B62D11/18;B62D49/00;B62D55/06 主分类号 B62D11/18
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