MECHANICAL SAFETY DEVICE FOR EMERGENCY EXIT DOOR

摘要

FIELD: construction.;SUBSTANCE: mechanical safety device for an emergency exit door handle is fixed to the door so that it prevents handle rotation. The safety device damages, when necessary. The device comprises the main part and the replaceable part. The main part may be attached to the door, and the replaceable part may be attached to the main part. The replaceable part comprises a safety surface to prevent handle rotation. The safety device comprises at least one weakened part, where the safety device breaks, when necessary. The weakened part is installed in the replaceable part. The replaceable part represents a plate parallel to the surface of the emergency exit door, when it is installed. The plate comprises at least one weakened part, where the plate breaks, when the handle is rotated.;EFFECT: reduced number of actions when opening a door and operation reliability.;13 cl, 14 dwg