Retractable step for a truck
作者： David E. Chen , Melvin A. Hendricks
DOI:
关键词:
摘要: A door-activated retractable step for a truck includes at least one cavity disposed within side wall structure of the in proximity to door thereof. An extendable cover housing, when closed, creates an aerodynamic continuation containing cavity. The is pivoted about horizontal hinge response being opened form tread surface, creating wide step.
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