By Spring-driven Motor Patents (Class 400/317.2)
  • Printing device
    Patent number: 7798734
    Abstract: A printing device, including: a mechanical energy storage mechanism for storing mechanical energy; and a mechanical energy application mechanism for carrying a sheet and/or printing on the sheet, using the mechanical energy stored.
    Type: Grant
    Filed: January 7, 2008
    Date of Patent: September 21, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Nobuo Karaki, Shoichi Nagao