知产力-步行车附加了智能以后，

• 手推车总要改为智能步行车吧
  之所以去查步行车，是因为首先在头条上看见了一段小视频，标题是“创意的步行机构，非常精简”，当然它走的是下坡路。还有，单位里面有很多小推车，其实很多的线路是固定的，人推着走，很乱很乱很乱，关键是浪费人力资源！
  
  数控机械工程

ab=(步行车) and not ab=(康复 or 楼梯)

• 发明名称：
  wheel suspension
  车轮悬架

• technical field of the invention
  技术领域

• The present invention relates to a wheel suspension for vehicles.
  本发明涉及一种车辆的车轮悬架，
  The invention relates to both multi axle vehicles ang single axle vehicles.
  本发明即涉及多轴车辆，也涉及单轴车辆。

• For the present invention the following feasible areas of uses may be mentioned:
  对于本发明，可以包括下述可行的应用领域：

• prams, pallet lifters, carts (pulled manually or by a vehicle), walkers，wheel chairs, lagguage carts, wheelbarrows and motorvehicles. Generally, the invention is applicable for relatively seen small wheels or compact wheel units that get stuck in cavities.