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:
Jan. 16, 1990
Filed:
Dec. 21, 1988
Masao Sunagawa, Hitachi, JP;
Kazuhiro Kubota, Hitachi, JP;
Yoshitaro Ishii, Hitachi, JP;
Susumu Satoh, Takahagi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Disclosed is an upright-type electric vacuum cleaner which comprises a suction port body provided with a rotary brush and a main body case supported tiltably on the suction port body. Improvements are made in details such as the arrangement for supporting the main body case in the suction port body, the arrangements of mounting a handle onto the main body case, the configuration of a main body duct, the arrangement of a rotary brush, the arrangement of a cover of the main body case, and the arrangement of a T-shaped joint for connecting the main body duct and a dust filter means, thereby increasing the strength and rigidity of each of these parts and improving the performance of the vacuum cleaner.