Patents by Inventor Jerome C. Perron

Jerome C. Perron 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: 5323876
    Abstract: An elevator door mechanism that has a rotating shaft, a reversible driving means to turn the shaft, a linear drive actuator riding on and moving along the shaft, a resilient isolated pillow block mounted on spacers at each end of the shaft to dampen the noise of operation, two elevator doors attached to the linear drive actuator, and a switching means attached adjacent to one end of the rotating shaft to indicate the doors are closed and a switching means attached adjacent to the other end of the rotating shaft to indicate the doors are open, wherein the actuator is attached to the shaft with pitched bearings and the closing force of the linear actuator is controlled by pressure springs on the linear actuator.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: June 28, 1994
    Inventors: Emory C. McAllister, Jerome C. Perron