Patents by Inventor Makota Kamewada

Makota Kamewada 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).

  • Tension regulating device
    Patent number: 5191847
    Abstract: A tension regulating device can set an indicating value of a thread tension. The tension regulating device comprises a regulating nut which is screwed into the male portion of a tension regulating shaft for compressing the tension regulating spring and a regulating dial having scales. The regulating dial is rotatable to turn the regulating nut to set the tension of a thread, which is held by the tension discs in response to the turning position of the regulating nut. The tension regulating device further comprises a regulating dial stop retained by a step portion of the tension regulating shaft and a short cylindrical member fixedly engaged in the cylindrical portion of the tension regulating shaft for clamping the regulating dial stop. The short cylindrical member has spline grooves defined at the outer periphery thereof.
    Type: Grant
    Filed: March 2, 1992
    Date of Patent: March 9, 1993
    Assignee: The Singer Company N.V.
    Inventors: Shinji Kojima, Makota Kamewada