Double Reed Patents (Class 84/380A)
  • Patent number: 5044248
    Abstract: A German bassoon comprises a crook, other component joints connected to the crook and a pianissimo key mechanism closing a pianissimo hole formed in the crook without any keywork, and the pianissimo key mechanism allows the pianissimo hole to be open when a player manipulates, thereby causing a performance of the German bassoon to be easy.
    Type: Grant
    Filed: October 24, 1990
    Date of Patent: September 3, 1991
    Assignee: Yamaha Corporation
    Inventor: Hiroshi Kenmochi