SUPPORT UNIT OF BAG FILTER Russian patent published in 2010 - IPC A47L9/14 

FIELD: personal demand items.

SUBSTANCE: inventions are related to bag filter and its support unit, which are used in vacuum cleaner. Bag filter comprises bag of filtering material, insert with charging port glued to bag and fastening eyelet attached by means of hinged joint to insert. Insert is arranged with the possibility of location in specified position, in which charging tube protrudes through charging port into bag for air injection and is fixed in specified position by means of manual rotation of fastening eyelet around hinged joint for fixation with fastening device, which is joined to charging tube. Bag filter may be arranged so that charging tube protrudes in straight direction through charging port into bag, while fastening eyelet protrudes perpendicularly from insert for fixation in point of fixation back from insert for attachment of insert to charging tube. In other version of bag filter design, insert attached to it is installed on transverse axis and has charging port arranged with the possibility to hold charging tube, at the same time insert has perimetre, which passes along trapezoid produced with the help of upper edge passing in transverse direction, and also narrower lower edge passing in transverse direction and two lateral opposite sides, which are inclined downwards in transverse direction inside. Width of lower edge is narrower than width of charging port. Vacuum cleaner design comprises bag of filtering material, insert glued to bag and installed on transverse axis, having charging port and two lateral opposite sides, every of which has upper and lower side edges, and side eyelet, which protrudes in transverse direction outside from upper and lower side edges and is installed in between. Bracket including lateral opposite sides is attached to charging tube. Each side comprises upper and lower side guides and gap between upper and lower side guides. Insert is arranged with the possibility for user to manually grip side eyelets for displacement of insert fully into specified position, in which charging port protrudes through charging port into bag, and insert is clamped aside between two upper guides and between two lower guides, and two side eyelets protrude through two gaps.

EFFECT: provision of reliable fixation of bag filter in vacuum cleaner with simplicity of maintenance.

29 cl, 12 dwg