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:
Oct. 14, 2008
Filed:
Aug. 16, 2006
Tomohiko Takeuchi, Nagoya, JP;
Toshihiro Takahara, Kariya, JP;
Naoki Tada, Handa, JP;
Sadahito Fukumori, Okazaki, JP;
Tomohiko Takeuchi, Nagoya, JP;
Toshihiro Takahara, Kariya, JP;
Naoki Tada, Handa, JP;
Sadahito Fukumori, Okazaki, JP;
Toyota Boshoku Kabushiki Kaisha, Kariya-shi, JP;
Denso Corporation, Kariya-shi, JP;
Abstract
An element replacement type filter accommodates an element assembly that includes a filter element within a casing formed from a first casing member and a second casing member which are mutually screwable by relative rotation, and provides an anti-loosening mechanism between the first casing member and the second casing member. The anti-loosening mechanism comprises a regulating portion that is provide on an outer peripheral side of the first casing member; and a leaf spring member made of metal that is provided elastically deformable in a radial direction of the second casing member, with a base end side thereof fixed to an outer peripheral side of the second casing member. The leaf spring member has a free end side that is provided with a contact portion, which contacts the regulating portion due to relative rotation of the first casing member and the second casing member.