Self-propelled handtruck

作者： Henry E. Scott

DOI:

关键词: Drivetrain 、 Mechanical engineering 、 Frame (networking) 、 Automotive engineering 、 Engineering 、 Center of gravity

摘要: A self-propelled handtruck including a frame and having at least one driven wheel non-driven such that the may be selectively positioned in either position or an operator-propelled position. The includes vertical member. drivetrain mounting structure is secured to preferably provides for selective positioning of same along member so center gravity varied as desired. structure, being operable drive wheel. Preferably, mounted on by plate. plate end which fixedly Moreover,