Filter for use in vacuum cleaner, has cassette shaped base frame and cover frame connected with each other by hinge device, and filter medium assigned to base frame and cover frame

摘要

The filter has a cassette shaped base frame (2) and a cover frame (3) connected with each other by a hinge device (4). A filter medium (5) is assigned to the base frame and the cover frame, where the base frame, cover frame, and the hinge device are manufactured from plastic. Another filter medium is provided between the base frame and the cover frame in an internal space of a filter cassette.