hoist with one type of rotor, and is equipped with a chain hoist

摘要

according to the invention, according to one type of hoist used for the rotary shaft to be arranged around the core in the network; the network to protect the body from the first body, and the first one to be rich and full of plastic rotor (pull rotor) long body to provide the second the department of a type of metal are equipped with the rotor; and the outsourcing of the buffer, and then through the surface part of the second exposure to the joint in the external magnetic field, the magnetization is not as core unit; etc..;according to the invention, according to the rotation of the rotor in the appearance is one of the fundamental technology, as compared with the number of the parts can reduce the cost and can save.