Patents by Inventor James Raftery

James Raftery 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).

  • Gripper arm assembly
    Patent number: 6203084
    Abstract: An arm assembly for gripping a sheet of material including jaws and a sensor assembly for detecting a change in the thickness of the material gripped between the jaws. A sensor is mounted to the side of the arm and a lever is operatively associated with the jaws for pivotal movement towards and away from the sensor in response to a change in the thickness of the material gripped between the jaws. In one embodiment, a magnet is mounted to the tip of the lever and the sensor is a Hall-effect sensor which is responsive to a change in the distance between the sensor and the magnet.
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: March 20, 2001
    Assignee: Inscerco Mfg., Inc.
    Inventors: Robert R. Kruk, Robert R. Kruk, Jr., James Ortiz, James Raftery