Patents by Inventor Isao Shibahara

Isao Shibahara 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).

  • Work vehicle
    Patent number: 9079491
    Abstract: A power transmission apparatus for a work vehicle comprises a speed change device for shifting power from an engine and transmitting the power to a propelling line, a forward/reverse drive switching device for switching power from the engine between forward drive and reverse drive, a PTO shaft for taking off working power, a working transmission line for transmitting power from the engine to the PTO shaft, a clutch element for establishing and breaking power transmission from the engine to the PTO shaft, and a transmission case. The transmission case includes a first housing space for housing the speed change device, and a second housing space defined rearward of the first housing space for housing the forward/reverse drive switching device. The clutch element is housed in the first housing space.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: July 14, 2015
    Assignee: Kubota Corporation
    Inventors: Tomofumi Fukunaga, Kenichi Aoyama, Isao Shibahara, Shinji Yamamoto, Kazuya Tamaki
  • Work Vehicle
    Publication number: 20140290399
    Abstract: A power transmission apparatus for a work vehicle comprises a speed change device for shifting power from an engine and transmitting the power to a propelling line, a forward/reverse drive switching device for switching power from the engine between forward drive and reverse drive, a PTO shaft for taking off working power, a working transmission line for transmitting power from the engine to the PTO shaft, a clutch element for establishing and breaking power transmission from the engine to the PTO shaft, and a transmission case. The transmission case includes a first housing space for housing the speed change device, and a second housing space defined rearward of the first housing space for housing the forward/reverse drive switching device. The clutch element is housed in the first housing space.
    Type: Application
    Filed: September 11, 2013
    Publication date: October 2, 2014
    Applicant: Kubota Corporation
    Inventors: Tomofumi Fukunaga, Kenichi Aoyama, Isao Shibahara, Shinji Yamamoto, Kazuya Tamaki