| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an auxiliary equipment to facilitate the opening and closing operations of a vehicle gate which is installed on the side of the cargo bed of a truck, etc., and designed as to be opened and closed by a human power. SOLUTION: An auxiliary equipment for opening and closing a vehicle gate constitutes a link group composed of a coupling link 11, transmission link 12, main link 15 and an sub-link 19, wherein the forefront of the coupling link 11 is coupled by a pin with a rotary arm 8 and the tail is coupled by pin with the transmission link 12, which is pin coupled with the main link 15 in such a way as intersecting. The bottom of the main link is pin coupled with a casing 6, and the tail of the transmission link 12 is pin coupled with the top of the sub-link 19, whose bottom is also pin coupled with the casing 6, and the upper tip of the main link 15 is pin coupled with the forefront of a pull rod 18.</p> |
