Patents by Inventor Jack J. Tickins

Jack J. Tickins 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: 4325661
    Abstract: A cutting end protector is used in securing one of the cutting ends of a double ended drill bit in a drill chuck. The cutting end protector comprises a body portion contoured to mate with the inner surface of the drill chuck and adapted to receive the drill chuck pin. The body portion has a cutting end receiving face provided with a central recess for receiving the point of the cutting end and a pair of chamfered face portions diverging outwardly and forwardly from the body portion, one on either side of the central recess. The chamfered face portions are slanted in opposing directions for fitting flushly with the cutting edge trailing surfaces of the cutting end.
    Type: Grant
    Filed: June 15, 1979
    Date of Patent: April 20, 1982
    Inventor: Jack J. Tickins