Patents by Inventor Frederick P. Dobras

Frederick P. Dobras 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: 7503443
    Abstract: A torque limiting device that includes a body, an output race including a distal portion extending from the body for supporting a tool that is to be controlled from the body and a proximal portion formed as a radial flange and a plurality of ball bearings disposed in a plurality of accommodating holes arranged about the flange. A first thrust member is disposed at the distal portion side of the flange and an actuator plate is providing having a peripheral ratchet surface and a plurality of holes arranged in line with certain holes in the flange. A pawl is supported by the body for engagement with the ratchet surface. A second thrust member imposes a force on the actuator plate toward the output race. The balls supported by the output race transfer axial force therethrough between the actuator plate and the first thrust member.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: March 17, 2009
    Assignee: Seekonk Manufacturing Company, Inc.
    Inventor: Frederick P. Dobras
  • Patent number: D528882
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: September 26, 2006
    Assignee: Seekonk Manufacturing Company, Inc.
    Inventor: Frederick P. Dobras