Patents by Inventor Yoshihiro Kashina

Yoshihiro Kashina 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).

  • Thread tension regulating apparatus for an over-lock sewing machine
    Patent number: 7069869
    Abstract: A thread tension regulating apparatus for an over-lock sewing machine is disclosed, wherein there are provided between an adjusting knob and a home position returning lever a first interlock device for displacing a home position returning lever in response to motion of the adjusting knob displacing from a home position in a pressurizing direction, and a second interlock device for displacing the home position returning lever in response to motion of the adjusting knob of the thread tension unit displacing from the home position in a depressurizing direction. These two interlock devices are provided respectively with an interlock obviating device for causing the second interlock device to take a non-operating condition when the first interlock device operates, and an interlock obviating device causing the first interlock device to take a non-operating condition when the second interlock device operates.
    Type: Grant
    Filed: January 6, 2005
    Date of Patent: July 4, 2006
    Assignee: Hosei Mishin Seizo Kabushiki Kaisha
    Inventor: Yoshihiro Kashina
  • Thread tension regulating apparatus for an over-lock sewing machine
    Publication number: 20060060117
    Abstract: A thread tension regulating apparatus for an over-lock sewing machine is disclosed, wherein there are provided between an adjusting knob and a home position returning operation lever two interlock devices, including a first interlock device for displacing a home position returning lever in response to motion of the adjusting knob displacing from a home position in a pressurizing direction, and a second interlock device for displacing the home position returning lever in response to motion of the adjusting knob of the thread tension unit displacing from the home position in a depressurizing direction. These two interlock devices are provided respectively with an interlock obviating device for causing the second interlock device to take a non-operating condition when the first interlock device operates, and an interlock obviating device for causing the first interlock device to take a non-operating condition when the second interlock device operates.
    Type: Application
    Filed: January 6, 2005
    Publication date: March 23, 2006
    Inventor: Yoshihiro Kashina