US Patent 10503214 Portable electronic device and support device thereof

The application discloses a support device, mounted in a portable electronic device, including an upper-cover shell, a base shell, and a pivot. The support device includes a cam structure, a first rod member, a second rod member, and a support member. The cam structure is connected to the pivot. The first pivot portion and the second pivot are pivotally connected to the base shell. The first rod member is in contact with the cam structure, and includes a first slide portion. The second rod member includes a second slide portion, movably connected to the first slide portion. The support member penetrates through an opening of the base shell, where a top surface of the support member and the second rod member are in contact with each other.