With Means To Change To Non-endlessly Orbiting Cutter Patents (Class 83/793)
  • Patent number: 7000514
    Abstract: Band saws with high-speed safety systems are disclosed. The band saws include a detection system adapted to detect a dangerous condition between a blade and a person. A reaction system performs a specified action such as stopping the blade upon detection of the dangerous condition.
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: February 21, 2006
    Assignee: SD3, LLC
    Inventors: Stephen F. Gass, Randall J. Huebner
  • Patent number: 4018117
    Abstract: Combustible materials, including plastic sheets, plates, and blocks, also leather and all varieties of wood, may be cut along predetermined lines by engaging same with a heated reciprocating wire at temperatures which vaporizes the material rather than melting same. The machine providesa reciprocating wire which is heated by electrical resistance. A system of air quenching of the wire above and below the cutting zone is employed in order to attain incandescent temperatures at the point of cutting.
    Type: Grant
    Filed: August 18, 1975
    Date of Patent: April 19, 1977
    Inventor: Jan J. Patterson