Retractable step for passenger vehicles

作者: G Rogge

DOI:

关键词: Bracket (architecture)TreadTruckStructural engineeringFrame (networking)EngineeringPickup truck

摘要: A retractable step for a pickup truck or other vehicle which includes tread member secured at one end to bracket attaches and extends downwardly from the bottom of door. The inwardly beneath car is slidably supported by U-shaped mounted frame truck. Opening door slides outwardly truck, being supported, when open, between attached form step.

参考文章(2)
Charles H Schetzer, Shoe scraper for automotive vehicles ,(1952)
Joseph R Gannon, Disappearing vehicle step ,(1922)