Patent ID: 7614481
Filing Date: 2009-11-10
Classification: B66B

Abstract:
1. An elevator apparatus comprising: a car that is raised and lowered within a hoistway; a drive unit that raises and lowers the car; a drive control portion that controls the drive unit; a safety device that is provided on the car and configured to bring the car to an emergency stop; a safety control portion that detects an abnormality in an elevator and outputs an actuation signal; an electrical actuator portion that actuates the safety device in response to the actuation signal output from the safety control portion, the electrical actuator is configured to actuate the safety device through mechanical transmission of a control force through a speed governor rope; a mechanical actuator portion that mechanically detects an abnormality in the elevator and actuates the safety device through mechanical transmission of a control force through the speed governor rope; and a backup power source for enabling functioning of at least the drive unit and the drive control portion in case of power failure.