| 摘要 |
A self-retracting cart for use in the cargo bay of a sport utility vehicle. When a pair of front wheels are caused to roll on and into the cargo bay by the self-retracting cart for use in the cargo bay of a sport utility vehicle being pushed therein, a push plate is caused to press against the rear edge of the cargo bay and traverse rearwardly causing a pair of arms to traverse rearwardly and cause a pair of spreader brackets to fold which causes a pair of front struts to pivot upwardly against a bottom wall of the basket and retract a pair of intermediate wheels against the pair of side walls of the basket and out of the way and thereby retracting the front wheel assembly. When a pair of rear wheels leave the ground by the self-retracting cart for use in the cargo bay of a sport utility vehicle being further pushed into the cargo bay, a pair of rear struts drop and cause elongated slots to bottom out on a pair of roller pins which causes the uppermost ends of the pair of rear struts to clear a pair of limit pins, which allows the pair of rear struts to pivot upwardly on a pair of roller pins and a pair of rollers to slide forward in a pair of tracks when the pair of rear struts press against the rear edge of the cargo bay and thereby retracting the rear wheel assembly.
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