Patents by Inventor Masamitsu Imagawa

Masamitsu Imagawa 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).

  • Traveling device and working machine
    Patent number: 9732497
    Abstract: A travelling frame of a travelling device positioned between a center frame and a travelling motor attachment portion includes an upper plate extended toward the center side of the vehicle to form an extended portion. A long hole into which travelling motor hydraulic piping is inserted is formed in the upper plate along the extended portion. The travelling motor hydraulic piping extends from a lead-out hole opened in an end plate of the center frame, through the long hole of the upper plate and a long hole opened in an end plate, and inserted into the travelling motor attachment portion.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: August 15, 2017
    Assignee: Carterpillar SARL
    Inventors: Kazuhisa Miyata, Michihiro Izawa, Masamitsu Imagawa, Shuji Kidoguchi
  • Traveling Device and Working Machine
    Publication number: 20160281325
    Abstract: A travelling frame of a travelling device positioned between a center frame and a travelling motor attachment portion includes an upper plate extended toward the center side of the vehicle to form an extended portion. A long hole into which travelling motor hydraulic piping is inserted is formed in the upper plate along the extended portion. The travelling motor hydraulic piping extends from a lead-out hole opened in an end plate of the center frame, through the long hole of the upper plate and a tong hole opened in an end plate, and inserted into the travelling motor attachment portion.
    Type: Application
    Filed: November 24, 2014
    Publication date: September 29, 2016
    Applicant: Caterpillar SARL
    Inventors: Kazuhisa Miyata, Michihiro Izawa, Masamitsu Imagawa, Shuji Kidoguchi