Patent ID: 6223861
Filing Date: 2001-05-01
Classification: B66B

Abstract:
A method of providing hoistway access safety in an elevator system having a car with a door and having a hoistway with a plurality of hoistway doors, comprising:monitoring continuously the open/closed status of all of said hoistway doors and said car door;in the event that one of said hoistway doors is not fully closed contemporaneously with said car door being fully closed, causing an emergency stop of said car, if necessary, and terminating normal operation of the elevator;in the event said hoistway doors are all fully closed and an inspection switch on said car has been set into an inspection operation mode position, eliminating the emergency stop and enabling operation in an inspection operation mode; and,if operation in an inspection operation mode has been enabled, then, in response to said inspection switch being placed in a normal operation mode position while at least one of said hoistway doors is open, followed by all of said hoistway doors being closed, causing said elevator to resume normal operation.