Patent · US Expired

Elevator cable oscillation-absorbing device

US3991856A · kind A · utility

16Cited by
6References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 25, 1974
Grant dateNov 16, 1976
Priority date
Expiry dateJan 25, 1994

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB66B7/06
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.