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.:

US 10337582 B1

Date of Patent:

Jul. 02, 2019

Filed:

Feb. 19, 2016

Damper and method for manufacturing damper

Applicant:

Nifco Inc., Yokosuka-shi, Kanagawa, JP;

Inventor:

Takashi Ono, Yokosuka, JP;

Assignee:

NIFCO INC., Yokosuka-Shi, Kanagawa, JP;

Attorney:

Manabu Kanesaka

Primary Examiner:

Nicholas J Lane

Int. Cl.

CPC ...

F16D 57/00 (2006.01); F16F 9/12 (2006.01); F16F 9/14 (2006.01); B29C 45/44 (2006.01); B60N 3/02 (2006.01); F16F 9/54 (2006.01); F16B 21/06 (2006.01); F16J 15/18 (2006.01); B29C 45/16 (2006.01); B29D 24/00 (2006.01); F16F 9/32 (2006.01);

U.S. Cl.

CPC ...

F16F 9/12 (2013.01); B29C 45/16 (2013.01); B29C 45/4407 (2013.01); B29D 24/001 (2013.01); B60N 3/02 (2013.01); B60N 3/023 (2013.01); F16B 21/06 (2013.01); F16F 9/145 (2013.01); F16F 9/3271 (2013.01); F16F 9/54 (2013.01); F16J 15/18 (2013.01); F16F 2226/04 (2013.01); F16F 2232/02 (2013.01); F16F 2234/02 (2013.01);

Abstract

A damper is formed by a housing member wherein an outer cylinder portion and an inner cylinder portion that are cylindrically formed are concentrically disposed, and respective lower ends are connected to each other at a bottom portion, and at an upper end of the outer cylinder portion, an open end portion is formed, and a groove portion is formed on an inner periphery; and a lid member provided with a rotor inserted from the open end portion, and housed in the housing member, and formed with a projection portion engaging the groove portion. A thin wall portion which is thinner than the outer cylinder portion is formed in a vicinity of a groove portion side in the outer cylinder portion.

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