| 摘要 |
[TASK] Provided is a double-joint type wheel suspension system for a steerable wheel that can reduce the required steering torque. [MEANS FOR ACCOMPLISH THE TASK] A ball joint assembly 21 comprises a stud bracket 23 having the shape of a rectangular block, a first ball joint 23 connected to an upper surface of the stud bracket 23 and a second ball joint connected to a lower surface of the stud bracket 23. The first and second ball joints 24 and 25 extend from the stud bracket 23 at an angular displacement of 180 degrees and with a relatively small distance defined therebetween as seen in plan view. The stud bracket 23 comprises a bracket main body 31 having a rectangular shape and a pair of ball studs 32 extending from the upper and lower surfaces thereof. |
