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:
Jul. 24, 2018
Filed:
Sep. 25, 2015
Showa Corporation, Gyoda, JP;
Gota Nakano, Gyoda, JP;
Takashi Tsukahara, Gyoda, JP;
SHOWA CORPORATION, Gyoda, JP;
Abstract
A hydraulic damping device includes a cylinder, a cylinder, a pistonthat partitions a space in the cylinder, a piston rodthat is connected to the piston, a bottom valvethat separates the interior of the cylinderfrom a reservoir chamber R and has a communication passage of a liquid between the interior of the cylinderand the reservoir chamber R, and a check valve mechanismthat is disposed in a radial direction of an area where movement of the pistonin the cylinderis restricted or an area extended axially on an outer side of the cylinder, and permits a flow in one direction between the interior of the cylinderand the reservoir chamber R caused by the movement of the pistonand restricts the flow in the other direction.