Piston assembly of shock absorber

Patent metadata

Field	Value
Publication number	US-9068618-B2
Application number	US-201313917418-A
Country	US
Kind code	B2
Filing date	Jun 13, 2013
Priority date	Jun 13, 2012
Publication date	Jun 30, 2015
Grant date	Jun 30, 2015

Abstract

A piston assembly of a shock absorber is provided. A compression retainer and a rebound retainer are disposed above and under a piston body. A blow-off reducing unit is disposed between the compression retainer and an auxiliary valve and on a bottom surface of the auxiliary valve to form a plurality of blow-off points, so that a rapid variation in a damping force can be considerably reduced even in a low-speed and middle-speed transition period.

First claim

What is claimed is:

1. A piston assembly of a shock absorber, comprising:
a piston body in which a piston rod reciprocating within a cylinder penetrates a central portion thereof, and a compression passage and a rebound passage alternately penetrating the piston body are formed around the piston rod;
a compression retainer disposed above the piston body and penetrated by a first coupling hole corresponding to the compression passage;
a rebound retainer disposed under the pisto…

Assignees

• Mando Corp

Inventors

• Yu Chun Sung

Classifications

• F16F9/348

  Mechanical Engineering · mapped topic

• F16F9/3214 Primary

  Mechanical Engineering · mapped topic

• F16F9/50 Primary

  Mechanical Engineering · mapped topic

• F16F9/34

  Mechanical Engineering · mapped topic