The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 26, 1990
Filed:
Apr. 05, 1989
Applicant:
Inventors:
Anders E Larsson, Stockholm, SE;
Joakim A Svanberg, Johanneshov, SE;
Lars G Kilstrom, Taby, SE;
Lars G Tuvin, Knivsta, SE;
Assignee:
Aktiebolaget Electrolux, Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55374 ; 285-7 ; 285227 ;
Abstract
In a suction cleaner comprising a housing (10) with a disposable filter bag (13) a movable tube piece (17) is provided which is adapted to enter the inlet opening (14a) of the filter bag. According to the invention, the tube piece (17) is provided with a control means actuatable by a pressure difference, preferably the difference between atmospheric pressure and the underpressure in the suction cleaner housing.