Patents by Inventor ZHEN-CAI CAO

ZHEN-CAI CAO 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).

  • Chassis
    Patent number: 8544969
    Abstract: A chassis includes a base board and a number of footpads mounted on a bottom of the base board. The base board defines a number of depressed portions corresponding to the footpads. Each footpad includes a fixing member mounted on an inner side of the base board and aligning with a corresponding depressed portion, a receiving member received in and rotatably mounted on a corresponding depressed portion of the base board, and a movable member received in and rotatably mounted on the receiving member. The movable member is rotatable in a first direction relative to the receiving member to extend out from the receiving member, and in a second direction opposite to the first direction relative to the receiving member to withdraw back into the receiving member.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: October 1, 2013
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Zhen-Cai Cao, Zhi-Xin Li, Jun-Xiong Zhang
  • CHASSIS
    Publication number: 20120161593
    Abstract: A chassis includes a base board and a number of footpads mounted on a bottom of the base board. The base board defines a number of depressed portions corresponding to the footpads. Each footpad includes a fixing member mounted on an inner side of the base board and aligning with a corresponding depressed portion, a receiving member received in and rotatably mounted on a corresponding depressed portion of the base board, and a movable member received in and rotatably mounted on the receiving member. The movable member is rotatable in a first direction relative to the receiving member to extend out from the receiving member, and in a second direction opposite to the first direction relative to the receiving member to withdraw back into the receiving member.
    Type: Application
    Filed: March 1, 2011
    Publication date: June 28, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: ZHEN-CAI CAO, ZHI-XIN LI, JUN-XIONG ZHANG