Patents by Inventor Harry Klaassens

Harry Klaassens 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).

  • Tool fastening
    Patent number: 4342166
    Abstract: A mounting bracket for fastening replaceable earth engaging tools such as rotary hoe blades or trench digger teeth in which the shaft of the tool fits within a recess in the bracket and a spring biased pin is arranged to pass through both the shaft and the bracket at right angles to the longitudinal dimension of the shaft. This arrangement does away with the need to use bolts.
    Type: Grant
    Filed: July 14, 1980
    Date of Patent: August 3, 1982
    Assignee: Ralph McKay Limited
    Inventors: William M. Johnson, Alan Lindsay, Harry Klaassens