Patents by Inventor William A Gavino

William A Gavino 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).

  • Power drive unit for cargo handling systems
    Patent number: 6834758
    Abstract: A power drive unit (PDU) for cargo handling systems comprising a frame arranged to be mounted in use for raising and lowering movement relative to a supporting structure, a drive motor carried by the frame and having an output shaft, a drive roller assembly carried by said frame for engagement in use with a unit load device (ULD) or the like to be moved by the PDU, a first gear train transmitting drive from said motor output shaft to a drive roller of said drive roller assembly, a rotatable lifting cam assembly carried by said frame and driven in use relative to said frame to lift and lower the frame on said mounting, a second gear train for transmitting drive from said motor output shaft to said lifting cam assembly to operate said lifting cam assembly, clutch means operable to connect and disconnect said motor output shaft to and from said second gear train, a torque limiting device limiting the torque transmitted through said clutch, when said clutch is engaged, to said lifting cam assembly, and a brake me
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: December 28, 2004
    Assignee: Goodrich Corporation
    Inventors: Frank H Nguyen, Thomas A Williams, Edmond Issakhanian, Richard Larson, William A Gavino, John E Morse
  • Power drive unit for cargo handling systems
    Publication number: 20040074739
    Abstract: A power drive unit (PDU) for cargo handling systems comprising a frame arranged to be mounted in use for raising and lowering movement relative to a supporting structure, a drive motor carried by the frame and having an output shaft, a drive roller assembly carried by said frame for engagement in use with a unit load device (ULD) or the like to be moved by the PDU, a first gear train transmitting drive from said motor output shaft to a drive roller of said drive roller assembly, a rotatable lifting cam assembly carried by said frame and driven in use relative to said frame to lift and lower the frame on said mounting, a second gear train for transmitting drive from said motor output shaft to said lifting cam assembly to operate said lifting cam assembly, clutch means operable to connect and disconnect said motor output shaft to and from said second gear train, a torque limiting device limiting the torque transmitted through said clutch, when said clutch is engaged, to said lifting cam assembly, and a brake me
    Type: Application
    Filed: May 28, 2003
    Publication date: April 22, 2004
    Applicant: Goodrich Corporation
    Inventors: Frank H. Nguyen, Thomas A. Williams, Edmond Issakhanian, Richard Larson, William A. Gavino, John E. Morse