| 主权项 |
1. A protecting device for placing an object, comprising:
two connecting members; and two stretchable members each attached between the two connecting members, the two stretchable members and the two connecting members enclosing together to form an accommodating space which is for placing the object, each of the stretchable members having a retracted state and a extended state, and each of the stretchable members comprising: a first block comprising a first linking part; a second block comprising two second linking parts separated with each other, and a first recess portion located between the two second linking parts; and two first join units each comprising a first end and a second end that are opposite to each other, the two first ends attached with each other and attached to the first linking part, the two second ends separated with each other and attached to the two second linking parts respectively, twice a length between the first end and the second end of each first join unit being longer than a straight-line between the two second linking parts; wherein, when the stretchable members are at the retracted state, at least part of each of the first joint unit is located inside the first recess portion, and when the stretchable members are at the extended state, each of the first joint unit is located outside the first recess portion. |
