WIPER FOR SIGHT GLASS OF PROTECTIVE MASK OF BREATHING APPARATUS

摘要

The wiper for the sight glass of the protective mask of the breathing apparatus comprises the flexible driving lever with the wiping brush installed on the internal surface of the sight glass. The lever is pressed flexibly to the surface of the sight glass and is connected with the driving unit of the wiper outside the protective mask. The driving lever is designed as a console connected with the driving unit of the wiper. The console itself consists of the set of the flexible plates connected in parallel comprising the operating plate pressed to the sight glass and the additional pressing plates.