Sliding screen device announcing, bright, and also suitable for projection. (Machine-translation by Google Translate, not legally binding)

摘要

Announcing sliding screen device, luminous and also suitable for projection, consisting of a rectangular frame or frame comprising two frames or boxes variably separated from each other, but arranged in the same plane and one after the other, intended one of them to hold the screen, and the other, with the appropriate reinforcements to increase its weight, to act as counterweight or rocker of the previous, so that they can be done on leaving the screen by a suitable slot, practiced in the facade or window of the building or installation , for the advertising purposes of the appearance of advertisements or projections, and when these do not interest or agree, withdraw it hiding it inside the building. (Machine-translation by Google Translate, not legally binding)