Additional air aperture for passive ventilation of interior of vacuum cleaner, has base surface and additional air gap surrounded by edge surface through which additional air supply is controlled, where aperture is made as separate part

摘要

The aperture (1) has a base surface (3) and an additional air gap surrounded by an edge surface (12) through which an additional air supply is controlled, where the aperture is made as a separate part. The aperture is attached to an opening of a retention slot (5), which comprises an electronic circuit of a vacuum cleaner. A base plate of the cleaner is inserted into a guide groove, the groove is stabilized by a support rib, and the base plate is inserted into a plastic spring.