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. 10, 2001
Filed:
Jun. 19, 1998
Taiji Tajima, Tsukuba, JP;
Shigesaburou Komatsu, Chiyoda-machi, JP;
Shigenori Satou, Yasato-machi, JP;
Toshiya Shinozaki, Sanwa-machi, JP;
Yukiji Iwase, Ushiku, JP;
Masao Sunagawa, Mito, JP;
Wataru Yamamoto, Hitachi, JP;
Susumu Satou, Takahagi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
At an interior portion of a suction nozzle body, an impeller and a brush member are installed. The impeller is rotated in response to an air flow produced by a suction force and a brush or a blade member is mounted in a spiral shape along the whole impeller or a part of the impeller and contacts a surface to be subjected to cleaning. The rotary brush rotates integrally with the impeller on the same shaft and no partition wall is provided between the impeller and the rotary brush. A suction nozzle body having a small size, and which is of light weight and provides for silent operation, and a vacuum cleaner using the same, can be provided.