DEVICE FOR THE DETECTION OF FOREIGN OBJECTS, AND PARTICULARLY FINGERS, BETWEEN THE DOORS AND THE CONTIGUOUS WALLS OF AN ELEVATOR CAR WITH GLASS DOORS, AND ELEVATOR EQUIPPED THEREWITH

摘要

The invention relates to a device for the detection of foreign objects, and particularly fingers (13), between the doors and the contiguous walls of landing and car openings in an elevator with glass car (3) and landing (5) doors, characterized in that it comprises a means (17) to deliver a curtain-shaped light beam, located near an opening frame edge (11) of the car, which beam extends transversally across said car (3) and landing (5) glass doors from the vertical car opening frame edge (11) to the opposite vertical landing frame edge (15) and across all of their respective lengths or heights, and a means (23) to receive the emitted light beam and adapted to detect any obstacle to said transverse light 'beam and to order the simultaneous halt and reversal, as required, of car (3) and landing (5) door displacement at said elevator landing level, wherein the detection device is actuated by a car and landing door opening command at a determined storey in the building.