| 摘要 |
PURPOSE: An upper sealing part with structure securing a head is provided to reduce the product cost and absorb effectively the shock, by using polypropylene materials and forming a hollowness in the middle part of an upper sealing part. CONSTITUTION: Several pads(2) for shock absorbing are installed on the right place of an upper ceiling part(1) to protect a head of a passenger and are located between a loop panel(4) and a ceiling part(5). A door whether strip(6) is contacted to the one side of the pads. Several shock absorbing factors(3) are installed in the pads for shock absorbing. And the pads for shock absorbing are made of foaming form materials, which consist of polyethylene and polystyrene.
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