SHIFT OPERATING DEVICE FOR TRAVELING VEHICLE

申请号 EP04788242 申请日 2004-09-28 公开(公告)号 EP1818205A4 公开(公告)日 2008-04-02
申请人 YANMAR CO LTD; 发明人 SAKAMOTO KUNIHIKO;
摘要 The purpose of the invention is to simplify the linkage mechanism of a shift operating device and to unitize the shift operating device so as to improve the reliability of assemble accuracy. A forward traveling pedal 21 and a rearward traveling pedal 22 are rotatably supported by a installation plate 3; the installation plate 3 rotatably supports a shift operating rotary sleeve 73 connected through one link 21c to the basal end of the forward traveling pedal 21 (a forward traveling pedal rotary sleeve 21 a) and connected through one link 22c to the basal end of the rearward traveling pedal 22 (a rearward traveling pedal rotary sleeve 22a); the forward traveling pedal 21, the rearward traveling pedal 22, the shift operating rotary sleeve 73 and the installation plate 3 are constructed as an integral unit; and the shift operating rotary sleeve 73 is rotated forward and rearward interlockingly with the operation of the forward traveling pedal 21 and the rearward traveling pedal 22 so as to slant swash plates of a hydraulic pump and a hydraulic motor of a HST 4.
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