Patents by Inventor Jose M. Sandoval

Jose M. Sandoval 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: 5145035
    Abstract: An elevator disc brake is rigidly attached to a shaft attaching to an elevator sheave. The disc brake includes a rotating disc and a non-rotating plate, the plate being driven towards the disc by a plurality of springs and moved away from the disc an electromagnet. Gaps between the plate and the disc and between the electromagnet and the plate are readily adjustable an adjustable spring seat.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: September 8, 1992
    Assignee: Otis Elevator Company
    Inventors: Alphonso Garrido, Antonio Sanchez, Jose M. Sandoval, Jose Sevilleja
  • Patent number: 5052652
    Abstract: An adjustable device for vibration damping and leveling of machines consisting of an elastic element with a constant thickness, with notches which facilitate its separation in order to obtain the correct support surface and so that the deformation in all the supports is constant, maintaining the horizontal leveling of the machine and good absorption of vibrations. The elastic elements include cavities distributed along the length thereof, in which elastic inserts adjusted to the geometry thereof can be housed in order to appropriately increase the total contact surface and resistance to deformation of the device.
    Type: Grant
    Filed: September 13, 1990
    Date of Patent: October 1, 1991
    Assignee: Otis Elevator Company
    Inventors: Jose Sevilleja, Jose M. Sandoval
  • Patent number: RE38835
    Abstract: A brake release mechanism for an elevator machine includes apparatus to reduce the braking force on the machine shaft. The apparatus may be actuated from a position located remotely from the machine.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: October 18, 2005
    Assignee: Otis Elevator Company
    Inventors: Jose Sevilleja, José M. Sandoval