| 摘要 |
A fully pulled-out type mobile apparatus comprises an extractable deice, two relay levers and two guide rails. The extractable deice provides two opposite lateral sides with a respective proper spot at a bottom thereof being between at least two opposite guideposts extending downward from the bottom. Each of the relay levers provides an elongated groove for being passed through by the guideposts with a connecting piece engaging with at least one of the guideposts such that the guideposts can be received and displace in the elongated groove. Each of the guide rails provides an outer rail part, an inner rail part and a ball structure between the outer and the inner rail parts. The ball structure has a length at least equaling to a length between two guideposts at both ends of the extractable device and the inner rails of the guide rails connecting with the relay levers respectively so as to move with each other. In case of the extractable device being pulled out, the guideposts moves outward along the elongated grooves till a respective outermost one of the guideposts touching outer ends of the elongated grooves as soon as the inner and outer rails oppositely sandwiching the respective ball structure such that the extractable device can be pulled out completely.
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