Patents by Inventor Robert N. McDermott

Robert N. McDermott 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).

  • Variable flow rate dispensing valve assembly
    Patent number: 4759477
    Abstract: A material dispensing valve finding particular application in the robotic dispensing of sealants, adhesives, etc. in a desired pattern on a workpiece. The dispensing valve comprises a unique actuating arrangement wherein back to back pancake cylinders are moveably arranged within a housing and, depending upon how the cylinders are actuated, three or four dispense rate positions can be provided. The dispense rate positions of the valve are preferably coordinated with the rate of movement of the robotic system so that the dispense rate is appropriate for the rate of movement.
    Type: Grant
    Filed: April 10, 1987
    Date of Patent: July 26, 1988
    Assignee: Corporation Loctite
    Inventors: William A. Gelinas, Robert N. McDermott
  • Variable flow rate dispensing valve assembly
    Patent number: 4678100
    Abstract: A material dispensing valve finding particular application in the robotic dispensing of sealants, adhesives, etc. in a desired pattern on a workpiece. The dispensing valve comprises a unique actuating arrangement wherein back to back pancake cylinders are moveably arranged within a housing and, depending upon how the cylinders are actuated, three or four dispense rate positions can be provided. The dispense rate positions of the valve are preferably coordinated with the rate of movement of the robotic system so that the dispense rate is appropriate for the rate of movement.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: July 7, 1987
    Assignee: Loctite Corporation
    Inventors: William A. Gelinas, Robert N. McDermott