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:
Oct. 02, 2007
Filed:
Feb. 14, 2006
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
An object of the present invention is to provide an electric vacuum cleaner equipped with a compact and easy-to-operate cyclonic separation type dust collector. To accomplish the object, the present invention mounts a cyclonic separation cylinder () that centrifugally separates and captures dust and a dust collecting case () that contains a first auxiliary filter () detachably on the lower case () of the cleaner body () and part of air from the cyclonic separation cylinder () is fed to the motor-driven blower through the dust collecting case (). The present invention mounts a cyclonic separation cylinder () that centrifugally separates and captures dust and a dust collecting case () that contains a first auxiliary filter () detachably on the lower case () of the cleaner body () and part of air from the cyclonic separation cylinder () is fed to the motor-driven blower through the dust collecting case () and a filter provided under it.