Patents by Inventor Yasunaga OOIWA

Yasunaga OOIWA 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).

  • Recoil starter and engine
    Patent number: 10247159
    Abstract: A recoil starter (103) includes a pull rope reel (22), a ratchet wheel (31), a pulley (32), a ratchet pawl (33), and an outer wall (32e). The ratchet pawl (33) is capable of swinging between an engaged position where the ratchet pawl engages with a protruding part (31a) and a disengaged position where the ratchet pawl does not engage with the protruding part, and is always urged toward the engaged position. A support surface (32d) of the outer wall (32e) supports the base end portion of the ratchet pawl (33) when the ratchet pawl (33) is in the engaged position. The internal space of the pulley (32) and the external space of the pulley (32) are communicate with each other through the foreign matter discharge portion (32f) of the outer wall (32e).
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: April 2, 2019
    Assignee: Mitsubishi Heavy Industries Meiki Engines Co., Ltd.
    Inventors: Akihiro Ishiyama, Manabu Sekimukai, Yasunaga Ooiwa
  • RECOIL STARTER AND ENGINE
    Publication number: 20180252194
    Abstract: A recoil starter (103) includes a pull rope reel (22), a ratchet wheel (31), a pulley (32), a ratchet pawl (33), and an outer wall (32e). The ratchet pawl (33) is capable of swinging between an engaged position where the ratchet pawl engages with a protruding part (31a) and a disengaged position where the ratchet pawl does not engage with the protruding part, and is always urged toward the engaged position. A support surface (32d) of the outer wall (32e) supports the base end portion of the ratchet pawl (33) when the ratchet pawl (33) is in the engaged position. The internal space of the pulley (32) and the external space of the pulley (32) are communicate with each other through the foreign matter discharge portion (32f) of the outer wall (32e).
    Type: Application
    Filed: August 23, 2016
    Publication date: September 6, 2018
    Applicant: MITSUBISHI HEAVY INDUSTRIES MEIKI ENGINES CO., LTD .
    Inventors: Akihiro ISHIYAMA, Manabu SEKIMUKAI, Yasunaga OOIWA