Talk about industrial casters and caster

The simplest invention is often the most important, castors are equipped with this feature. While high and low level of development of a city is often positive correlation with castors used, like Shanghai, Beijing, Tianjin, Chongqing, Wuxi, Chengdu, Xian, Wuhan, Guangzhou, Zhongshan, Dongguan, Shenzhen and other cities of Castor usage is very high.

Back casters of the history is a very difficult thing, in after people invent the wheel, though, handling and moving objects becomes a lot easier, but the wheels can only be run in a straight line, for handling significant objects to the change of direction is still very difficult, people invent the wheel with steering structure, which is what we now call the casters and caster. Castor appeared to people handling moving objects in particular to bring the era of revolution, not only makes it easy to carry, you can move in any direction, greatly improving efficiency.

Casters caster is called the activity, its structure allows for 360-degree rotation. Castor is a generic term, including activities and fixed casters casters. Fixed castors without rotating structure, not horizontal vertical rotation only. Both casters are generally match, two fixed wheels in the front such as cart's structure is, behind near the caster are two activities and push bars.