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保险杠

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上圖之紅色部件即是BMW M5車頭泵把

保险杠,亦稱為保險桿,簡稱保桿,可細分為前保險槓(前桿)(Front Bumper)、後保險槓(後桿)(Rear Bumper),裝嵌於汽車頭部与尾部,在车辆碰撞時可起吸能减损之效。保险杠起初以鋼鐵煉製,其後逐漸改用塑膠等其他輕質金屬物料。除保险杠外,貨櫃車越野車還在頭尾加裝防護架雙重保護,避免碰撞中損傷。

有些國家的交通法例規定汽車必須裝備保险杠,美國法規要求汽車保險槓需承受時速五英哩撞擊時保險槓不損壞,以減少發生小車禍時的損失。並製定了保险杠的法定高度。此例全為保障高度各異之汽車相撞時的安全,避免小型車捲入大型車車底,尤其是電單車撞貨櫃車之個案。

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保险杠
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