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:
Nov. 24, 2020
Filed:
May. 15, 2017
Oiles Corporation, Tokyo, JP;
Ryohei Kaneko, Fujisawa, JP;
OILES CORPORATION, Tokyo, JP;
Abstract
Provided is a rotary damper that makes it possible to adjust braking torque characteristics. A rotary damper () that restricts the movement of a viscous fluid () with which the inside of a cylindrical chamber () of a case () has been filled and thereby generates braking torque against applied rotational force. A flow path () is formed in a partitioning part () of the cylindrical chamber (), and a check valve () is movably arranged inside the flow path (). When a rotor () has rotated in a normal rotation direction R, the check valve () moves inside the flow path () in a closing direction Mand closes the flow path () and, when the rotor () has rotated in a reverse rotation direction R, moves inside the flow path () in an opening direction Mand opens the flow path (). The check valve () comprises a reaction force application part () that generates a reaction force against the check valve () when the check valve () has moved to a prescribed position in the closing direction M