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. 10, 2019
Filed:
Sep. 05, 2012
Guangbin Zhou, Tokyo, JP;
Takayuki Nozaki, Tokyo, JP;
Shizu Matsuoka, Tokyo, JP;
Ryota Nakajima, Tokyo, JP;
Masaharu Kiyama, Tokyo, JP;
Kenichi Minami, Tokyo, JP;
Guangbin Zhou, Tokyo, JP;
Takayuki Nozaki, Tokyo, JP;
Shizu Matsuoka, Tokyo, JP;
Ryota Nakajima, Tokyo, JP;
Masaharu Kiyama, Tokyo, JP;
Kenichi Minami, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The purpose of the present invention is to provide a valve mechanism which features a simple structure adapted to collectively control the supply of gas or culture medium to a plurality of cultivation containers for simultaneous cultivation and to enhance the reliability of the valve mechanism. The valve mechanism of the invention is a valve mechanism for opening and closing passages for liquid or gas. The valve mechanism includes: clip members adapted to close a plurality of tube passages, respectively; a multiple cam member for opening the clip members in sequence by making contact with the clip members; and a rotational mechanism for rotating the multiple cam member. The clip member includes: a spring for closing a clip thereof; and a clip contact portion for a cam contact portion of the multiple cam member to make contact therewith.