Velocipede Patents (Class 188/344)
  • Patent number: 3935930
    Abstract: A fluid pressure brake system for a bicycle or a motorcycle having a master cylinder which is provided with an excess portion extending from the end of the cylinder to have a given length more than a maximum pressure stroke of the piston of the master cylinder; this portion is provided internally thereof with an adjusting member controlling the inner volume thereof. Thus, the adjustment of the adjusting member keeps the brake action so as to be constantly responding to a predetermined swing of an operating lever at a handle bar despite leakage of fluid and wear of brake padding, thereby making it possible to perform consistent braking action.
    Type: Grant
    Filed: April 29, 1974
    Date of Patent: February 3, 1976
    Assignee: Shimano Industrial Company, Limited
    Inventor: Masayoshi Kine
  • Patent number: 3931871
    Abstract: A disc brake construction adapted for use on front or rear wheels of motorcycles and the like. Annular steel discs are supported on opposite sides of the wheel hub. A pair of axially mounted face plates support hydraulically operated brake shoes having brake linings adapted to engage the disc. Spring returns cause the brake shoes to return to a disengaged position. A self-draining system and cooling manifold are integrally formed in the face plates.
    Type: Grant
    Filed: July 15, 1974
    Date of Patent: January 13, 1976
    Inventor: Thomas C. Martin