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:
Apr. 24, 2007
Filed:
Feb. 25, 2003
Shoji Hayashi, Ushiku, JP;
Yukiji Iwase, Ushiku, JP;
Yasuyuki Hiruta, Hitachi, JP;
Kyouichi Kanno, Hitachi, JP;
Susumu Sato, Takahagi, JP;
Naofumi Kitagawa, Hitachi, JP;
Naruhiko Suzuki, Hitachi, JP;
Yasunori Kotaka, Hitachi, JP;
Hirofumi Tanaka, Shiroyama, JP;
Koichi Umezawa, Tokyo, JP;
Shoji Hayashi, Ushiku, JP;
Yukiji Iwase, Ushiku, JP;
Yasuyuki Hiruta, Hitachi, JP;
Kyouichi Kanno, Hitachi, JP;
Susumu Sato, Takahagi, JP;
Naofumi Kitagawa, Hitachi, JP;
Naruhiko Suzuki, Hitachi, JP;
Yasunori Kotaka, Hitachi, JP;
Hirofumi Tanaka, Shiroyama, JP;
Koichi Umezawa, Tokyo, JP;
Hitachi Home & Life Solutions, Inc., Tokyo, JP;
Abstract
The electric vacuum cleaner is disclosed which includes a main body within which an electric blower and cyclonic separation cylinder are provided. A dust collecting case is provided in communication with the cyclonic separation cylinder to receive dust that has been separated from the inlet tube. The dust collecting case also includes a lifter arranged therein. Air received from the inlet tube is separated such that a portion is passed through the dust collecting case and a communicating passage. The air is subsequently merged and discharge through the electric blower.