REAR WHEEL SUSPENSION STRUCTURE OF MOTORCYCLE

摘要

In a rear wheel suspension structure of a motorcycle includes a body frame, a swing arm swingably supported by the body frame through a pivot shaft and a drive shaft for transmitting drive power to a rear wheel. A drive shaft insertion hole is formed in the swing arm with the drive shaft being inserted in the insertion hole. The pivot shaft is arranged so as to overlap with the drive shaft insertion hole in a side view. The pivot shaft is provided as a one-side supporting shaft. Another-side supporting shaft is provided independent from each other on the left and right. A thrust bearing and a radial bearing are arranged between the swing arm and the one-side supporting shaft as well as the another-side supporting shaft provided in the swing arm.

主权项

1. A rear wheel suspension structure of a motorcycle comprising:
a body frame; a swing arm swingably supported by the body frame through a pivot shaft; a drive shaft for transmitting drive power to a rear wheel; and an insertion hole being formed in said swing arm, said drive shaft being inserted into said insertion hole; wherein: at least a part of said pivot shaft is arranged so as to overlap with said insertion hole in a side view; supporting shafts provided independent from each other on a left side and a right side of the pivot shaft; and a thrust bearing and a radial bearing are operatively arranged between said swing arm and said supporting shafts.