Patents by Inventor Hironori Yamaoka

Hironori Yamaoka 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).

  • Belt skew correcting device, belt device, and image forming apparatus
    Patent number: 8733542
    Abstract: A belt skew correcting device corrects a deviation of an endless belt which is supported by a plurality of rollers and which is driven to rotate around the plurality of rollers. An inclined sectional surface of a dislocating member is guided by an inclined sectional surface of a guide member in accordance with a following movement of a following member, so that a rotational shaft of one roller is given a tilt corresponding to an amount of the movement of the endless belt along the rotational shaft, and thereby the one roller can be tiled.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: May 27, 2014
    Assignee: Ricoh Company, Limited
    Inventor: Hironori Yamaoka
  • BELT SKEW CORRECTING DEVICE, BELT DEVICE, AND IMAGE FORMING APPARATUS
    Publication number: 20120234656
    Abstract: A belt skew correcting device corrects a deviation of an endless belt which is supported by a plurality of rollers and which is driven to rotate around the plurality of rollers. An inclined sectional surface of a dislocating member is guided by an inclined sectional surface of a guide member in accordance with a following movement of a following member, so that a rotational shaft of one roller is given a tilt corresponding to an amount of the movement of the endless belt along the rotational shaft, and thereby the one roller can be tiled.
    Type: Application
    Filed: March 16, 2012
    Publication date: September 20, 2012
    Applicant: RICOH COMPANY, LIMITED
    Inventor: Hironori Yamaoka