Patents by Inventor Shi Yaojun

Shi Yaojun 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).

  • Extension apparatus and extension system
    Patent number: 9170609
    Abstract: According to one embodiment, an extension apparatus includes, a housing, a hook portion, a switch portion, a mechanical portion which moves the hook portion between the engaged state and the disengaged state, a pin portion provided inside the switch portion, a first spring portion interposed between the housing and the pin portion, an abutting portion provided in the mechanical portion, abutting a distal end of the pin portion, and releasing abutment when the pushing amount of the switch portion exceeds a predetermined amount, and a second spring portion striking the distal end of the pin portion against a sound-producing portion when abutment of the distal end of the pin portion is released.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: October 27, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shi Yaojun, Zhou Anwei
  • EXTENSION APPARATUS AND EXTENSION SYSTEM
    Publication number: 20140376173
    Abstract: According to one embodiment, an extension apparatus includes, a housing, a hook portion, a switch portion, a mechanical portion which moves the hook portion between the engaged state and the disengaged state, a pin portion provided inside the switch portion, a first spring portion interposed between the housing and the pin portion, an abutting portion provided in the mechanical portion, abutting a distal end of the pin portion, and releasing abutment when the pushing amount of the switch portion exceeds a predetermined amount, and a second spring portion striking the distal end of the pin portion against a sound-producing portion when abutment of the distal end of the pin portion is released.
    Type: Application
    Filed: June 24, 2013
    Publication date: December 25, 2014
    Inventors: Shi Yaojun, Zhou Anwei