Patent ID: 8746446

Claim:
A protective cover, applying to cover or support a tablet device, comprising: a first covering part, comprising a first connecting lateral and a second connecting lateral that are opposite to each other, and a plurality of first hard domains, wherein adjacent first hard domains are connected to each other flexibly; a second covering part, connected to the first connecting lateral flexibly and comprising a plurality of second hard domains, wherein adjacent second hard domains are connected to each other flexibly; a third covering part, connected to the second connecting lateral flexibly; a first magnetic element, disposed at the first covering part; a second magnetic element, disposed at the second covering part; and a third magnetic element, disposed at the third covering part, wherein: when the second covering part covers the tablet device on the first covering part and the third covering part covers the second covering part, the first covering part and the second covering part form a space to receive the tablet device, and the third magnetic element and the second magnetic element attract each other, and when the second hard domain and the first hard domain are winded into a first hollow polygonal column, the first magnetic element and the second magnetic element attract each other, and a surface of the first hollow polygonal column forms a bearing surface to support the tablet device.