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. 03, 2023
Filed:
Oct. 21, 2021
Yamashita Rubber Co., Ltd., Fujimino, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Yuichi Nakamaru, Saitama, JP;
Hideyuki Koguchi, Saitama, JP;
Yasunobu Kurota, Tokyo, JP;
Takashi Kondo, Saitama, JP;
Hideki Matsuoka, Tokyo, JP;
YAMASHITA RUBBER CO., LTD., Fujimino, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
A liquid sealed damper includes: an attachment portion attached to a peripheral portion of an opening of a vehicle or an opening and closing member for covering the opening; a contact portion to which an external force is input; an insulator configured to isolate vibration and connect the attachment portion and the contact portion; a main liquid chamber in which working liquid is sealed; an auxiliary liquid chamber having a wall portion formed of a diaphragm; and an orifice passage formed in the partition member and communicating with the main liquid chamber and the auxiliary liquid chamber. The partition member has a substantially circular surface forming a wall portion of the main liquid chamber. An opening portion at one end of the orifice passage is formed in the circular surface. The opening portion is formed to extend from an outer edge portion to a central portion of the circular surface.