Patents by Inventor Shuji Kidoguchi

Shuji Kidoguchi 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).

  • Patent number: 12077940
    Abstract: A work machine comprising a main body and a cab riser. The cab riser includes a cab and a frame comprising a first plate to contact a second plate provided on the main body in a first position which the cab is uprightly positioned on the work machine. The first and the second plate are coupled together to sandwich a key plate in the first position, the key plate being disposed in a space created by a first recess on a lower surface of the first plate and a second recess on an upper surface of the second plate, the second recess being aligned with the first recess vertically in the first position, and the key plate includes a first contact surface as a slope surface and a top surface being adjacent to the slope surface in the cross sectional view of the key plate.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: September 3, 2024
    Assignee: Caterpillar SARL
    Inventors: Takeshi Tsuneyoshi, Kunitomo Shimizu, Kazumasa Matsumura, Shuji Kidoguchi
  • Patent number: 11725363
    Abstract: A machine is adapted for operation powered by any one of a plurality of interchangeable power sources. The machine may include an undercarriage configured for supporting ground engagement members that propel the machine and an upper structure rotatably supported on the undercarriage. The upper structure may include a swing frame, with the swing frame supporting an operator cab, any one of the plurality of interchangeable power sources, hydraulic components, electrical components, and a counterweight disposed at a first end of the swing frame. The counterweight may include a hollowed out portion facing toward the swing frame. The hollowed out portion of the counterweight may be centrally aligned with a center core portion of the swing frame configured for supporting any one of the plurality of interchangeable power sources, with the one power source being partially accommodated within the hollowed out portion of the counterweight.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: August 15, 2023
    Assignee: Caterpillar SARL
    Inventors: Corey Lee Gorman, Andy Fung, Kouji Kishida, Shuji Kidoguchi, Takeshi Tsuneyoshi, Michihiro Izawa, Shinichi Nishiyama, Marilyn E. Worley, Kazumasa Matsumura, Kentaro Nakayama
  • Publication number: 20230081006
    Abstract: A work machine comprises a main body, a cab riser, and a shaft. The cab riser includes a cab and a frame, the cab being uprightly positioned on the work machine in a first position, and being tilted forward in a second position, and the frame comprising a first plate to contact a second plate provided on the main body in the first position. The cab riser is rotatable about the shaft in clockwise and counterclockwise directions to and from the first position and the second position. The first plate and the second plate can be clamped together by a clamping assembly in the first position, the clamping assembly including one or more clamps to clamp the first plate and the second plate, and the clamping assembly is mounted on the main body.
    Type: Application
    Filed: September 13, 2021
    Publication date: March 16, 2023
    Applicant: Caterpillar SARL
    Inventors: Tetsuji TAKAOKA, Masaya YORIFUJI, Tomohiro FUJII, Kimikage TANAKA, Kazumasa MATSUMURA, Takeshi TSUNEYOSHI, Takayuki NAITO, Tetsuo NISHIGUCHI, Kunitomo SHIMIZU, Eiji AKAHANE, Shuji KIDOGUCHI
  • Publication number: 20230079417
    Abstract: A work machine comprising a main body and a cab riser. The cab riser includes a cab and a frame comprising a first plate to contact a second plate provided on the main body in a first position which the cab is uprightly positioned on the work machine. The first and the second plate are coupled together to sandwich a key plate in the first position, the key plate being disposed in a space created by a first recess on a lower surface of the first plate and a second recess on an upper surface of the second plate, the second recess being aligned with the first recess vertically in the first position, and the key plate includes a first contact surface as a slope surface and a top surface being adjacent to the slope surface in the cross sectional view of the key plate.
    Type: Application
    Filed: September 13, 2021
    Publication date: March 16, 2023
    Applicant: Caterpillar SARL
    Inventors: Takeshi TSUNEYOSHI, Kunitomo SHIMIZU, Kazumasa MATSUMURA, Shuji KIDOGUCHI
  • Publication number: 20220034064
    Abstract: A machine is adapted for operation powered by any one of a plurality of interchangeable power sources. The machine may include an undercarriage configured for supporting ground engagement members that propel the machine and an upper structure rotatably supported on the undercarriage. The upper structure may include a swing frame, with the swing frame supporting an operator cab, any one of the plurality of interchangeable power sources, hydraulic components, electrical components, and a counterweight disposed at a first end of the swing frame. The counterweight may include a hollowed out portion facing toward the swing frame. The hollowed out portion of the counterweight may be centrally aligned with a center core portion of the swing frame configured for supporting any one of the plurality of interchangeable power sources, with the one power source being partially accommodated within the hollowed out portion of the counterweight.
    Type: Application
    Filed: July 29, 2020
    Publication date: February 3, 2022
    Applicant: CATERPILLAR SARL
    Inventors: Corey Lee GORMAN, Andy FUNG, Kouji KISHIDA, Shuji KIDOGUCHI, Takeshi TSUNEYOSHI, Michihiro IZAWA, Shinichi NISHIYAMA, Marilyn E. WORLEY, Kazumasa MATSUMURA, Kentaro NAKAYAMA
  • 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
  • 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
  • Patent number: D912098
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: March 2, 2021
    Assignee: Caterpillar SARL
    Inventors: Kimikage Tanaka, Shinpei Araki, Shuji Kidoguchi
  • Patent number: D931907
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: September 28, 2021
    Assignee: Caterpillar SARL
    Inventors: Kimikage Tanaka, Shinpei Araki, Shuji Kidoguchi