Patents Examined by O. Glenn Dayoan
  • Patent number: 6857675
    Abstract: A damper unit includes a gear having a core member projecting at a shaft core portion thereof and rotatably housed in a case, a string wound around the core member, a rotary damper engaging the gear for damping a rotational force of the gear, and a spring. One end of the spring is fixed to the case and the other end thereof is fixed to the core member so that an elastic force is accumulated when the string is pulled out.
    Type: Grant
    Filed: September 23, 2003
    Date of Patent: February 22, 2005
    Assignee: Nifco Inc.
    Inventors: Katsuhito Kurachi, Shunsuke Okabayashi, Ken Hayashi, Hiroyuki Hayashi, Mikihiro Amano