Patent · US Expired

Elevator safety arrangement

US4114731A · kind A · utility

6Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 1976
Grant dateSep 19, 1978
Priority date
Expiry dateApr 8, 1996

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB66B1/36
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

An elevator safety arrangement for preventing further automatic movement of an elevator car upon the car exceeding a predetermined velocity when it is located within a predetermined distance of a landing at which a stop is to be made.

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