Patents by Inventor David W. Sattler

David W. Sattler 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).

  • Apparatus for cleaning cutting table support surface
    Patent number: 5062334
    Abstract: There is provided a sweeper for cleaning the support surface of a machine for cutting sheet material and having a vacuum chamber disposed below said support surface to hold down the sheet material during cutting, and a carriage assembly, supported above said support surface for longitudinal and transverse movement relative to said support surface. The sweeper has a nozzle mounted on said carriage assembly and is adaptable for contacting the support surface, and includes a conduit in fluid communication to a vacuum generator. A filter is disposed in a housing intermediate said nozzle and the vacuum generator, and a valve is provided for by-passing vacuum to the vacuum chamber and opening vacuum to said sweeper for cleaning said support surface.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: November 5, 1991
    Inventors: Timothy R. Killilea, David W. Sattler