SAFETY DEVICE FOR ELEVATOR DOORWAY PART

摘要

PROBLEM TO BE SOLVED: To eliminate field site working for a sideplate of a car, and to facilitate modification for an exsiting elevator. SOLUTION: A projection part 4 of a long structure composed of plural light emitters 4b, and a photoreceiving part 5 of a long structure having photoreceptors 5a of the number same to the number of the emitters are horizontally provided respectively in a column 7 erected in a front end of a car frame for holding the car and an underframe 8 provided in a lower part of the car frame, and a door opening circuit is constituted to be operated when at least one of the photoreceptors 4a detects light shielding.