| 摘要 |
PURPOSE: A side bar is provided, which is manufactured by injection molding a body and connecting a cover plate to the molded body through vibration welding, thereby reducing the manufacturing cost and time. CONSTITUTION: A sidebar comprises a body(11), one or more reinforcing plates(16), and a cover plate(18). The body is formed by injection molding coupling parts(12a,12b) and an interconnection part(14) into one body, wherein the bottom of the interconnection part is open. The reinforcing plates are projected vertically downward in the interconnection part of the body. The cover plate is connected to the strength reinforcing plate through vibration welding.
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