A shock absorber includes a suction passage (3) that only allows a flow from a reservoir (R) towards a pressure side chamber (R2), a rectifying passage (4) that only allows a flow from the pressure side chamber (R2) towards an expansion side chamber (R1), ...

A spring rubber seat provided between a spring formed by winding a wire rod to elastically support a chassis and a spring seat where the spring is placed. The spring rubber seat includes an arc seat portion having a seat surface where the spring is seated;...

A damping valve includes a valve seat member provided with a port, a valve body that opens or closes the port, a tubular spool that abuts on a side of the valve body opposite to the valve seat member, a spool holding member that has an outer circumference ...