Fire Trap Patents (Class 352/144)
With film severing (Class 352/145)
  • Copying machine fire snuffer
    Patent number: 3979161
    Abstract: A copying machine for making copies on individual copy sheets includes a fire-extinguishing snuffer located downstream of a fuser. The fire-extinguishing snuffer comprises a pair of flat metallic plates for defining between them a flat-shaped 0.1 to 0.125 inch gap and guiding wire springs for guiding the leading edges of individual copy sheets into this gap while not impeding the flow of the copy sheets.
    Type: Grant
    Filed: March 18, 1975
    Date of Patent: September 7, 1976
    Assignee: Sperry Rand Corporation
    Inventors: David G. Kremer, Mosi Chu