Patent ID: 9033120
Filing Date: 2015-05-19
Classification: B62K,F16F

Abstract:
1. A shock absorber for a bicycle, comprising: a damper device formed with a first damper chamber and at least one second damper chamber; a damping piston unit including a damping piston and a piston rod, said piston rod having at least one through hole formed therein and oriented substantially radially, said through hole in said piston rod having an inlet terminating with an inclination toward said damping piston for effecting end stop cushioning; at least one damping valve disposed at said damping piston and hydraulically connecting said first and at least one second damper chambers, said damping valve having at least one flow duct with a field-sensitive, rheological medium and at least one field generating device configured for generating a field and controlling a field intensity in said flow duct of said damping valve; said flow duct in said damping valve including at least one collection chamber hydraulically connected with said first damper chamber through a plurality of flow apertures, with at least one of said flow apertures being a through hole and at least one of said flow apertures being a closable valve opening provided with a one-way valve; and said collection chamber being hydraulically connected with said second damper chamber via a plurality of damping ducts each separated from one another by a fan wall.