Patents by Inventor Richard E. Plouck

Richard E. Plouck 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: 4576270
    Abstract: An improved torque control and fluid shutoff mechanism for a fluid operated tool includes an output shaft with an axially slidable cam sleeve mounted on the shaft. The cam sleeve is coupled with a driven tool bit holder to provide a clutch connection. The cam sleeve is biased for engagement with a cam surface on the tool bit holder whereby during normal operation of the tool, the tool bit holder remains fixed relative to the cam sleeve. When a threshold torque acts on the tool bit holder, the tool bit holder rotates relative to the cam sleeve axially driving the cam sleeve to release a biased kickout sleeve from retaining a radially displaceable member. The radially displaceable member engages a throttle rod and a thrust pin. The throttle rod extends to a fluid control valve which controls inlet fluid. Release of the radially displaceable member from being retained by the kickout sleeve permits axial translation of the throttle rod to terminate fluid flow to the motor of the tool.
    Type: Grant
    Filed: February 28, 1983
    Date of Patent: March 18, 1986
    Assignee: The Aro Corporation
    Inventors: James P. Baltz, Richard E. Plouck