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. 15, 2019
Filed:
Mar. 27, 2018
Nidec Tosok Corporation, Zama-shi, Kanagawa, JP;
Yutaka Uematsu, Zama, JP;
Kazumi Shinkai, Zama, JP;
Shun Kato, Zama, JP;
Shuichi Kinjo, Zama, JP;
Kohei Osuga, Zama, JP;
Tadayuki Hatsuda, Zama, JP;
NIDEC TOSOK CORPORATION, Kanagawa, JP;
Abstract
There is provided a breather structure of an actuator in which the breather structure is provided in a housing of the actuator, the breather structure including: a recessed groove positioned on an outer surface of the housing; a breathing hole which is positioned on a bottom surface of the recessed groove and passes through the housing in a first direction; a filter fixed to an inside of the housing so that the filter closes an opening of the breathing hole; a lid body which partially covers a region of the recessed groove including the breathing hole from an outside of the housing when viewed from the first direction; a breather opening portion positioned at a portion of the recessed groove exposed from the lid body; and a protrusion portion which protrudes from the bottom surface of the recessed groove to a side of the lid body.