| 摘要 |
The hand cart easily carries large volume or heavy weight goods, and specially its standing action is very stable because of three wheels. It comprises a frame including an inner or outer longitudinal rod; the three wheels axled to both ends of a main shaft and rotating and simultaneously revolving round the main shaft; a movable guide plate vertically equipped on the middle of the inner longitudinal rod; a connection belt getting released or wound according to the rotation of a manual rotary lever.
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