Patents Examined by Blunk, Evon C.
  • Elevator cable oscillation-absorbing device
    Patent number: 3991856
    Abstract: In an elevator including weight-compensating ropes having their respective one end connected to the lower end of a car and the other end thereof connected to the lower end of a counterweight, an oscillation-absorbing device is provided closely adjacent to at least one of a first connecting portion of the main ropes to a car or the counterweight and a second connecting portion of the weight-compensating ropes to the car or counterweight, thereby absorbing oscillation energy from ropes.
    Type: Grant
    Filed: January 25, 1974
    Date of Patent: November 16, 1976
    Assignee: Hitachi, Ltd.
    Inventors: Masayuki Shigeta, Tadashi Shibata, Toshihiko Nara