| 摘要 |
PURPOSE: A bus under member is provided to reduce the vibration from a side member efficiently not by separately manufacturing an under member into two units of horizontal and vertical frames. CONSTITUTION: A bus under member(100) is composed of a parallel part(120) and a declined part. The declined part decreases the vibration from a side member(20) in an oblique direction. A coupling hole is formed on the upper side of the declined part. A fastening screw is inserted to the upper side of the lower surface of the side member and connects the side member and an end member through the coupling hole. The bus under member is made of a metal frame and both ends of the bus under member are bent to slope upward.
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