Patents by Inventor H. Alan King

H. Alan King 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).

  • Patent number: 5931542
    Abstract: A wear prevention device for use with roadmilling or trenching machine blocks which hold rotatable cutting bits. The wear prevention device includes a substantially cylindrical retainer sleeve with a longitudinally directed slot running the length of the sleeve. The wear prevention device also includes a substantially circular wear washer with a radially inwardly directed key which is adapted to fit within the sleeve slot, thereby interlocking the sleeve and the wear washer. The retainer sleeve is adapted to receive a shank of a cutting bit and is placed within a bore in a machine block. The machine block bore may further include a keyway, or the machine block may include a boss surrounding the machine block bore with the keyway The retainer sleeve may further include a radially outwardly directed key adapted to fit within the machine block bore keyway, thereby further interlocking the retainer sleeve with the machine block.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: August 3, 1999
    Assignee: Rogers Tool Works, Inc.
    Inventors: Robert W. Britzke, H. Alan King