Patent ID: 8220604
Filing Date: 2012-07-17
Classification: F16F,Y10T

Abstract:
1. A damping force variable valve configured to be coupled to a shock absorber, the damping force variable valve comprising: a retainer including a main body including an outer peripheral region; a spool rod integrally coupled to a central portion of the main body and having a hollow portion having a spool inserted therein; a main disc disposed adjacent the retainer; a solenoid unit provided adjacent the spool rod and including a push rod configured to move the spool when electrical power is applied; and an operating block installed adjacent at least a portion of the solenoid unit and including a coupling portion coupled to the outer peripheral region of the main body, substantially preventing a direct torque from being transferred to the spool rod and facilitating substantially unobstructed movement of the spool, wherein the main body has a male thread portion formed on an outer peripheral surface thereof, and the coupling portion has a female thread portion formed on an inner peripheral surface thereof to engage with the male thread portion.