Patents by Inventor Ke-Wei Sun

Ke-Wei Sun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6568004
    Abstract: A retraction control device especially is employed to a baby joyful bed for controlling the retraction processes of the baby joyful bed. The retraction control device includes a shell, a pad, two clips, a plate and an auxiliary stand. When the user would like to retract the baby joyful bed, the user is only needed to pull up the pad. The pad will move the clips and therefore move the plate. In this case, the four bottoms will be released, rotated and retracted downwardly. Moreover, the dynamic forces are delivered via the inclined and curved surfaces of the retraction control device.
    Type: Grant
    Filed: January 24, 2002
    Date of Patent: May 27, 2003
    Assignee: Dongguan Crown Shin Baby Appliances Co. Ltd.
    Inventor: Ke-Wei Sun