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:
Sep. 03, 2002
Filed:
Jan. 27, 2000
Applicant:
Inventors:
Takayuki Sudou, Hitachi, JP;
Ryuji Ikeda, Hitachi, JP;
Susumu Sato, Takahagi, JP;
Shigenori Sato, Nihari, JP;
Taiji Tajima, Tsukuba, JP;
Shoji Hayashi, Niihari, JP;
Sadashi Tanaka, Niihari, JP;
Kazuyuki Sugimura, Niihari, JP;
Fumio Jyoraku, Hitachiota, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 5/00 ;
U.S. Cl.
CPC ...
A47L 5/00 ;
Abstract
A vacuum cleaner includes a vacuum cleaner body in which a rotating brush, a dust collecting unit and an electric blower unit are integrally attached to a suction opening casing in which a brush chamber is formed. A rodlike handle is connected to the vacuum cleaner body. The rodlike handle is formed by a hollow member, and a plurality of batteries are arranged in series in the hollow member and are covered with a heat contraction tube.