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:
Jan. 17, 2017
Filed:
Mar. 17, 2014
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Kiyotaka Nakano, Azumino, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); B01D 46/00 (2006.01); G03B 21/20 (2006.01); G03B 21/14 (2006.01); B01D 46/10 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); B01D 46/0005 (2013.01); B01D 46/10 (2013.01); G03B 21/145 (2013.01); G03B 21/20 (2013.01); G03B 21/2086 (2013.01); G03B 21/2093 (2013.01); B01D 2275/203 (2013.01);
Abstract
An air filter includes a filter body configured to trap dust contained in air passing therethrough and a holding frame configured to surround an end edge of the filter body, and the holding frame is formed of a resilient material. The holding frame includes a first surface on a proximal end side in a direction of travel of air passing through the filter body, and a second surface on a distal end side in the direction of travel, and one of the first surface and the second surface is provided with a projecting portion.