Patent attributes
A collapsible support device adapted to be installed on a child safety seat is disclosed. The collapsible support device includes a first supporting part and a second supporting part. The second supporting part is pivotally connected to an end of the first supporting part to be capable of being collapsed to the first supporting part. Another end of the first supporting part is pivotally connected to the child safety seat. The first supporting part is selectively rotated relative to the child safety seat to be located at one of a use position and a storage position. The second supporting part is selectively rotated relative to the first supporting part to be located at one of a supporting position and a collapsed position. The collapsible support device has advantages of simple structure and providing operation convenience to users. Additionally, a child safety seat having the collapsible support device is also disclosed.