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:
Nov. 04, 2025

Filed:

Mar. 07, 2023
Applicant:

Hl Mando Corporation, Gyeonggi-do, KR;

Inventors:

Kwangduk Baek, Gyeonggi-do, KR;

Seungjoon Lee, Seoul, KR;

Jongin Choi, Gyeonggi-do, KR;

Assignee:

HL MANDO CORPORATION, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 13/00 (2006.01); B60G 15/06 (2006.01); B60G 17/08 (2006.01);
U.S. Cl.
CPC ...
F16F 13/007 (2013.01); B60G 15/061 (2013.01); B60G 17/08 (2013.01); B60G 2202/30 (2013.01); B60G 2204/62 (2013.01); B60G 2206/41 (2013.01); B60G 2500/104 (2013.01); B60G 2800/162 (2013.01); F16F 2222/12 (2013.01); F16F 2228/066 (2013.01); F16F 2232/08 (2013.01); F16F 2234/02 (2013.01);
Abstract

An embodiment of the present disclosure provides a shock absorber including a piston valve configured to be in a tube, a body valve installed at a lower side of the tube, a piston rod configured to having one end protruding while penetrating the piston valve, an upper guide member interposed between the piston valve and the body valve and having a plurality of upper guide flow paths formed outside a periphery of the upper guide member, and a plurality of upper guide holes formed inside the periphery of the upper guide member, and a hollow cylindrical expansion member having expansion through-holes through which the fluid having passed through the plurality of upper guide flow paths and the plurality of upper guide holes passes, the hollow cylindrical expansion member being configured to block the upper guide flow paths when the hollow cylindrical expansion member adjoins the upper guide member.


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