Patents by Inventor Gordon P. Sheldon

Gordon P. Sheldon 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).

  • Bit retainer for screwdriver
    Patent number: 4209182
    Abstract: An axially movable sleeve is retained in a bore in the nose portion of a portable rotary tool housing. The sleeve is disposed around a spindle and holds captive a ball key disposed in the spindle which releasably retains a screw driver bit or the like in the spindle bore or socket. The sleeve is releasably retained in the housing bore by a spring retainer whereby the bit as well as the retainer sleeve may be quickly removed and replaced by axial displacement of the sleeve.
    Type: Grant
    Filed: October 5, 1978
    Date of Patent: June 24, 1980
    Assignee: Cooper Industries, Inc.
    Inventor: Gordon P. Sheldon