Patents by Inventor Emory G. Goldsberry

Emory G. Goldsberry 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).

  • Low torque automatic screwdriver
    Patent number: 4154308
    Abstract: A pneumatic powered screwdriver adapted for moderately high speed operation and automatic shutoff at relative low torque turning resistance. An axially disengageable clutch unit intermediately couples the motor drive to the output drive bit. Contained in the clutch unit is an improved shutoff and reset mechanism which is cam shifted radially in response to clutch disengagement for enabling air supply interruption to the motor and automatically and positively reset for enabling subsequent operation.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: May 15, 1979
    Assignee: Dresser Industries, Inc.
    Inventors: Emory G. Goldsberry, Richard E. Eckman