Patents by Inventor Shu-Ying Chuang Chiu

Shu-Ying Chuang Chiu 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).

  • Tool retaining device for power tool
    Patent number: 7565854
    Abstract: A tool retaining device includes a tool stem having a compartment for receiving a tool member, and one or more apertures and one or more openings for receiving one or more detent and one or more locking balls, and a barrel engaged onto the tool stem and having one or more peripheral slots and peripheral recesses for selectively receiving the detents and the locking balls respectively, and the barrel includes a peripheral actuator for actuating the detent to engage with the tool member, and another actuator for actuating the locking ball to rotatably securing the tool member to the tool stem when the peripheral actuator is disengaged from the detent.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: July 28, 2009
    Assignee: Hsin Ying Enterprise Co., Ltd.
    Inventors: Wen Hung Chiang, Shu-Ying Chuang Chiu