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1. 发明授权

US06508327B1 Enabling tractor 失效
标题翻译：启用拖拉机
公开(公告)号：US06508327B1
公开(公告)日：2003-01-21
申请号：US10027503
申请日：2001-11-27
申请人： Srvin Mack Thornton
发明人： Srvin Mack Thornton
IPC分类号： B60K2806
CPC分类号： B60K17/04 , A01B51/026 , B60K5/00 , B60Y2200/221 , B62D49/0671
摘要： An enabling tractor arranged for small crop cultivation, even by those with some manual handicaps, has four wheels with two powered rear wheels and caster type steering controlled by hand an foot levers that move in unison and in sympathy with the steering movement of the front wheels. The chassis has an open center for direct access of the operator to carried tilling apparatus while the tractor continues forward under steering control. Power delivery to the drive wheels is optionally controlled by a clutch arrangement that minimizes maintenance problems.
摘要翻译：用于小作物种植的扶手式拖拉机，即使是那些具有手动障碍物的农用拖拉机，也有四个车轮，两个动力后轮，脚轮式转向控制手柄一个脚踏杆，与前轮的转向运动同步移动。底盘具有开放的中心，用于在拖拉机在转向控制下继续前进的情况下直接进入操作者进行耕作装置。驱动轮的动力输送可选择地通过使维护问题最小化的离合器装置来控制。

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