Projectable step for vehicles
作者： William H. Learn
DOI:
关键词:
摘要: A step for a vehicle pivotally supported by the chassis frame thereof and movable between extended operative retracted inoperative positions, vacuum mechanism being used to retract spring moves same position. latch releasably secures in position initially unlatches prior moving
lens.org 参考文章(3)
Bucklen, ELECTRICALLY POSITIONED STEP FOR VEHICLES ,(1973)
Oliver Cordie S, Elmo Lowder, Swing-out step for vehicle ,(1966)
Glen W Hamilton, Retractable step for vehicles ,(1936)