Patent · US Expired

Elevator test operation apparatus

US4330838A · kind A · utility

30Cited by
7References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 9, 1979
Grant dateMay 18, 1982
Priority date
Expiry dateJul 9, 1999

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB66B5/0087
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

An elevator test operation apparatus for a multi-floor service elevator comprises a digital computer for processing an elevator control signal. The digital computer is provided with means for storing an elevator operation control program, and interface means for transferring a signal from an elevator control system to the digital computer or transferring a signal from the digital computer to the elevator control system, thereby to process the signal from the elevator control system in accordance with said elevator operation control program. The elevator test operation system further comprises means operated by maintenance personnel in a test operation and generating test signals such as a command for establishing an elevator car weight and a command for shortening a period of time when an elevator door is opened, and interface means for supplying those test signals to the digital computer, wherein the digital computer further comprises means for storing various programs for shortening the opening time of the elevator door during test operation and for establishing the elevator car weight, and a test operation program thereby to execute the test operation program in accordance with …

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