Patents by Inventor Dwight G. Covey

Dwight G. Covey 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).

  • Mounting for an elevator traction machine
    Patent number: 5899300
    Abstract: Mounting apparatus for a traction machine disposed in a hoistway includes a pair of beams that extend through the hoistway to the pit. One of the beams includes a mounting plate disposed at the top of the beam and to which the machine is fastened. The elevator car frame is engaged with guide rails that are functionally separate from the beams. In a particular embodiment, the guide rails are retained to the beams by clips. The clips retain and position the guide rail without subjecting the guide rails to the load of the traction machine.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: May 4, 1999
    Assignee: Otis Elevator Company
    Inventors: William T. Miller, Dwight G. Covey, Larry S. Anderson