Patent attributes
Provided is a rotating device, a housing, and an electronic device including the housing and a flexible screen. The housing includes a first frame body, a second frame body, and the rotating device. The rotating device is connected between the first frame body and the second frame body to fold or unfold the first and second frame bodies. The rotating device includes at least one pair of rotation assemblies, and a gear assembly between the rotation assemblies. Each rotation assembly includes a support frame and a rotating rack rotatably connected to the support frame. The rotating rack is provided with a driving gear engaging with the gear assembly. The rotating racks of one pair of rotation assemblies are synchronously rotatable by rotating the rotating rack relative to a corresponding support frame to rotate a corresponding driving gear, and further rotating the gear assembly by the corresponding driving gear.