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.

Date of Patent:
Aug. 22, 2017

Filed:

May. 10, 2016
Applicant:

Mando Corporation, Pyeongtaek-si, Gyeonggi-do, KR;

Inventor:

Eun Joong Kim, Yongin-si, KR;

Assignee:

MANDO CORPORATION, Pyeongtaek-shi, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 9/512 (2006.01); F16F 9/348 (2006.01); F16F 9/18 (2006.01);
U.S. Cl.
CPC ...
F16F 9/5126 (2013.01); F16F 9/3481 (2013.01); F16F 9/3482 (2013.01); F16F 9/185 (2013.01); F16F 2228/066 (2013.01);
Abstract

A damping force controlling shock absorber includes: retainers respectively connected to top and bottom surfaces of the piston, a connection passage communicating with a main passage being formed to vertically penetrate the retainers; housings respectively disposed on corresponding opposite surfaces of the retainers to form pilot chambers on mutual corresponding surfaces of the housings, a pilot passage being formed to vertically penetrate the housings so as to communicate the pilot chambers with the outside; pilot valves that are in close contact with the connection passage between the retainers and the housings to generate a main damping force; and a spool guide that penetrate and connects to the retainers, the housings, and the pilot valves and guides the spool in a state of surrounding the outside of the spool.


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