Patents by Inventor Michiho Matsuura

Michiho Matsuura 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).

  • Brake cylinder
    Patent number: 6454057
    Abstract: A brake cylinder device with an effective adjustment bolt processing and with an improved air bleeding effect, wherein an adjustment bolt (40) as a component of an automatic shoe clearance adjustment mechanism, wherein an external thread stem (40a) makes an irreversible engagement with a piston (22), performing brake shoe expansion, and a brake fluid feeding groove (40b) is formed on a periphery of the external thread stem (40a) is designed to be spiral.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: September 24, 2002
    Assignee: Nisshinbo Industries Inc.
    Inventors: Masaaki Furukawa, Hiroo Nakagawa, Michiho Matsuura
  • Brake cylinder
    Publication number: 20020017438
    Abstract: A brake cylinder device with an effective adjustment bolt processing and with an improved air bleeding effect, wherein an adjustment bolt (40) as a component of an automatic shoe clearance adjustment mechanism, wherein an external thread stem (40a) makes an irreversible engagement with a piston (22), performing brake shoe expansion, and a brake fluid feeding groove (40b) is formed on a periphery of the external thread stem (40a) is designed to be spiral.
    Type: Application
    Filed: July 31, 2001
    Publication date: February 14, 2002
    Inventors: Masaaki Furukawa, Hiroo Nakagawa, Michiho Matsuura