Patents by Inventor Takayuki Mukasa

Takayuki Mukasa 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).

  • Drum brake apparatus
    Patent number: 7178643
    Abstract: A cam mechanism 7 provided as a shoe drive mechanism includes a cam supporting plate 21 being loosely and rotatably fitted on an anchor pin 10 for receiving a shoe operating force, a first cam plate 23 rotatably connected to the cam supporting plate 21 at an outer cam supporting position which is a position shifted away from the anchor pin 10 radially outwardly of the drum, a second cam plate 25 rotatably connected to the cam supporting plate 21 at an inner cam supporting position which is away from the anchor pin 10 toward an operating force generator 6, so that a pair of brake shoes 3, 4 are opened outwardly by the separate cam plates 23, 25, respectively.
    Type: Grant
    Filed: June 2, 2004
    Date of Patent: February 20, 2007
    Assignee: Akebono Brake Endustry Co., Ltd.
    Inventors: Toshifumi Maehara, Katsuhiro Miyata, Yukimasa Mitsude, Takayuki Mukasa, Takeshi Noda, Yoshiaki Saitoh
  • Drum brake apparatus
    Publication number: 20040245059
    Abstract: A cam mechanism 7 provided as a shoe drive mechanism includes a cam supporting plate 21 being loosely and rotatably fitted on an anchor pin 10 for receiving a shoe operating force, a first cam plate 23 rotatably connected to the cam supporting plate 21 at an outer cam supporting position which is a position shifted away from the anchor pin 10 radially outwardly of the drum, a second cam plate 25 rotatably connected to the cam supporting plate 21 at an inner cam supporting position which is away from the anchor pin 10 toward the operating force generating means 6, so that a pair of brake shoes 3, 4 are opened outwardly by the separate cam plates 23, 25, respectively.
    Type: Application
    Filed: June 2, 2004
    Publication date: December 9, 2004
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD
    Inventors: Toshifumi Maehara, Katsuhiro Miyata, Yukimasa Mitsude, Takayuki Mukasa, Takeshi Noda, Yoshiaki Saitoh