Patents by Inventor Nigel B. Morris

Nigel B. Morris 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).

  • Elevator brake load weighing system
    Patent number: 6483047
    Abstract: Load cells 35, 56 on antirotation dowel pins 28a or load mounts 49 indicate brake reaction forces in the disk brake 8, 8a of an elevator. Vertical load cells 72, 73 on bending load cell 80 indicate vertical brake reaction loads on a rail 60. A table indicating the load of an empty car at each of the landings served by the car permits subtracting load components relating to ropes, chains and cables to provide a live load indication prior to brake release; this may be used to determine if the load exceeds the maximum permissible load for the car.
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: November 19, 2002
    Assignee: Otis Elevator Company
    Inventors: Vlad Zaharia, Nigel B. Morris