A device to indicate the people who exhibit in an establishment in whose hollow of the door has applied a curtain against flies. (Machine-translation by Google Translate, not legally binding)

摘要

A device for indicating people entering an establishment in whose recess of the door has applied a curtain against the flies, of the type formed by strips of plastic material, characterized by the fact that these constituted by a plurality of movable contacts, slopes, as a pendulum, a support fixed to the strip that supports the strips that constitute the curtain, intended to be pushed, when you move such strips into the room at the time of entry of a person into the establishment , until relying on a fixed contact, so that an electrical circuit is closed and put into action a bell installed in it, in an appropriate place of establishment. (Machine-translation by Google Translate, not legally binding)