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:
May. 19, 2015
Filed:
Jan. 03, 2012
Applicants:
Hiroyuki Kobayashi, Kodaira, JP;
Takumi Tandou, Hachioji, JP;
Naoshi Itabashi, Hachioji, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 19/08 (2006.01); B66B 23/24 (2006.01); B66B 31/02 (2006.01); A61L 2/14 (2006.01);
U.S. Cl.
CPC ...
B66B 31/02 (2013.01); A61L 2/14 (2013.01);
Abstract
Sterilization and cleaning of an escalator hand rail are performed. A sterilization and cleaning device including a hand rail; a plasma source for irradiating the hand rails with ions or radicals or UV light; an enclosure for housing the plasma source; a power source for generating plasma; a fan for generating relatively negative pressure in the enclosure; filter units for removing removed bacteria, viruses, and organic matters such as hand marks; and filter plates located backward and forward of a moving direction of the hand rail in the enclosure along the hand rail is provided.