Patents by Inventor Masajiro Shimizu

Masajiro Shimizu 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).

  • Drive force transmitting device for ice-making tray of automatic ice-making machine
    Patent number: 4332146
    Abstract: A device for transmitting drive force to an ice-making tray of an ice making machine includes a slider interposed between a drive motor gear and a gear directly connected to the ice-making tray, and a cam gear meshing with the drive motor gear. The slider is formed with a gear portion meshing with the gear directly connected to the ice-making tray for rotating same both clockwise and counterclockwise, and a guide groove receiving therein an actuating pin formed in the cam gear for moving the slider in pivotal movement in a predetermined range of angles.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: June 1, 1982
    Assignee: Hitachi, Ltd.
    Inventors: Susumu Yamazaki, Yoshinari Nagoya, Masajiro Shimizu