The disc brake mainly composed of a rotary disc and a fixed disc, which are rigid located on the wheel axle of the elevator. This fixed disc press and drive the rotary disc by several springs, and then leave away from the rotary disc by a special electromagnet. The clearance between rotary disc and fixed disc can be easily adjusted by the moveable spring seat, both the clearance between electromagnet and fixed disc could be do so as well.

Advantages:
Compact design, Light weight, strong drive force, Lower exhausting, Less of heating up and residual magnetism, Rapid response and lower noise, etc.