| 摘要 |
A method is provided, including providing a hub for mounting a wheel to a frame; providing a first mounting pivotally connected at one end to a first position on the frame; providing a second mounting pivotally connected at one end to a second position on the frame; providing a first arm which is coupled at a first position to the top of the hub and pivotally connected at a second position to the other end of the first mounting; providing a second arm which is coupled at a first position to the bottom of the hub and pivotally connected at a second position to the other end of the second mounting; and providing a shock absorber coupled at one end to a third position on the second arm between the first and second positions on the second arm and at the other end to a third position on the frame. |
