Patent ID: 7575101
Filing Date: 2009-08-18
Classification: B66B,E05F,E05Y

Abstract:
1. Device for the detection of foreign objects, and particularly fingers, between the doors and the contiguous walls of landing and car openings in an elevator with glass car and landing doors, the device comprises: a light beam emitter located near an opening frame edge of the car, the emitter delivers a beam that extends transversally across the car and landing glass doors from a vertical car opening frame edge to an opposite vertical landing frame edge, and a receiver located on the vertical car opening frame edge and near the light beam emitter, the receiver to receive the emitted beam and adapted to detect any obstacle to the transverse light beam and to order a simultaneous halt and reversal, as required, of car and landing door displacement at the elevator landing level, wherein the detection device is actuated by a car and landing door opening command.