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1. 发明授权

US06402454B1 Forklift 有权
标题翻译：叉车
公开(公告)号：US06402454B1
公开(公告)日：2002-06-11
申请号：US09413500
申请日：1999-10-06
申请人： Yasuyuki Yamaguchi , Sanpei Kikuchi , Haruhiko Kakitsubata , Takahiro Kitao , Hiroshi Minami , Shinobu Tanaka
发明人： Yasuyuki Yamaguchi , Sanpei Kikuchi , Haruhiko Kakitsubata , Takahiro Kitao , Hiroshi Minami , Shinobu Tanaka
IPC分类号： B66F922
CPC分类号： G05G7/02 , B66F9/0759 , B66F9/22
摘要： A forklift, in which, if a synchronous mode change-over switch is depressed, a forward/backward moving lever is switched over to the backward moving side, and a throttle pedal is stepped down, then a pusher is moved forward by a pusher cylinder in synchronization with the backward movement of the vehicle body of the forklift to thereby push out baggage carried on a fork therefrom. An oil pressure circuit connects together a pusher cylinder and an oil pressure pump. A hand-operated switch valve 21 is disposed in the oil pressure circuit. A valve full-open switch 22 opposes a projection portion 25 provided on and projected from a pusher lever 12 which is used to switch the state of the hand-operated switch valve 21. When the pusher lever 12 fully opens the hand-operated switch valve 21, the projection portion 25 contacts with the valve full-open switch 22 to thereby allow the valve full-open switch 22 to issue a detect signal to a control part of the forklift. Upon receiving the detect signal sent form the valve full-open switch 22, the control part operates a synchronous mode.
摘要翻译：一种叉车，其中如果按下同步模式转换开关，则向前/向后移动杆切换到向后移动侧，并且节气门踏板被降下，然后推动器通过推动器缸向前移动与叉车的车体的向后移动同步，从而推出叉子上的行李。油压回路将推进器缸和油压泵连接在一起。手动切换阀21设置在油压回路中。阀全开开关22与设置在推杆12上的突出部25相对，该突起部25用于切换手动切换阀21的状态。当推杆12完全打开手动切换阀如图21所示，突起部25与阀全开开关22接触，从而允许阀全开开关22向叉车的控制部发出检测信号。当接收到从阀全开开关22发送的检测信号时，控制部分运行同步模式。

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