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. 12, 2009
Filed:
Oct. 30, 2006
Takahiro Yamaguchi, Kariya, JP;
Takeshi Fuchida, Kariya, JP;
Shigeki Torii, Anjo, JP;
Takashi Sato, Okazaki, JP;
Hidemi Ikai, Kariya, JP;
Yukio Ishikawa, Hekinan, JP;
Hiroyuki Shinkai, Obu, JP;
Takahiro Yamaguchi, Kariya, JP;
Takeshi Fuchida, Kariya, JP;
Shigeki Torii, Anjo, JP;
Takashi Sato, Okazaki, JP;
Hidemi Ikai, Kariya, JP;
Yukio Ishikawa, Hekinan, JP;
Hiroyuki Shinkai, Obu, JP;
Advics Co., Ltd., Aichi-pref., JP;
Abstract
A pump body includes a cylindrical first case for housing the plurality of rotary pumps, a second case located coaxially with the first case, and a disk spring located between the first case and the second case. In addition, a fixing means located at an entrance of the concave portion of a housing presses the second case in the insertion direction of the pump body and fixes the second case.