Patents by Inventor Dennis L. George

Dennis L. George 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: 4684302
    Abstract: The disclosure is of a spreadable keeper for use in the cooperative slots in a machine tool spindle and its associated shank or tang. In use, the slots are partly aligned crosswise of the spindle axis of rotation and the keeper is inserted in the slots and screw-expanded to force the tang or shank more tightly into the tapered bore of the spindle. The keeper comprises a base on which are mounted cooperative camming members operable by a screw to expand lengthwise of the spindle for exporting the tightening force.
    Type: Grant
    Filed: September 19, 1986
    Date of Patent: August 4, 1987
    Inventor: Dennis L. George