Patent ID: 8695747
Filing Date: 2014-04-15
Classification: B62K,F16F

Abstract:
1. A rear-wheel suspension system for a two-wheeled vehicle comprising: a pair of right- and left-side center frames connected to a rear portion of a main frame extending rearwardly and downwardly from a head pipe; a swing arm having a front portion pivotally supported by the center frames and a rear portion for supporting a rear wheel; and a shock absorber, wherein a longitudinal direction of the shock absorber coincides with a vertical direction, the shock absorber having an upper portion pivotally supported on a vehicle body side between the center frames and a lower portion pivotally supported on the swing arm side; wherein the shock absorber includes a tubular buffer and a spring disposed around the buffer with an upper end of the spring being positioned to be lower than an upper end of the buffer and a vehicle body component part being placed at a lateral side of the buffer, a bottom end of the vehicle body component being located above the upper end of the spring and below the upper end of the buffer, wherein a center line of a sub-tank that is the vehicle body component part is non-parallel with a center line of a damper case of the buffer, and wherein the center line of the sub-tank is slightly inclined outwardly compared to the center line of the damper case of the buffer.