Patents Assigned to Cedar Rapids, Inc.,
  • Patent number: 6189820
    Abstract: A method and apparatus for adapting a horizontal shaft impact crusher for efficient crushing of different types of material are provided. At least two feed plates are provided. The feed plates each have a different feed angle adapted for use with a predetermined type or types of aggregate material. The feed plates can be interchangeably mounted on the crusher to adapt the crusher for enhanced crushing efficiency with respect to the type of material to be crushed.
    Type: Grant
    Filed: March 20, 1999
    Date of Patent: February 20, 2001
    Assignee: Cedar Rapids, Inc.,
    Inventor: Gregory A. Young