|Description||Door Vane Cam Knife Skate|
|Transportion||TNT, UPS, DHL, Fedex, Air, Sea|
|Packages||Carton, Wooden case, Pallet etc|
|Delivery Time||Normally 2-3 working days after payment|
|Payment Method||Company Bank, Western union, alibaba, Paypal etc|
Pictures for 5400 Elevator V30 Door Cam Knife Vane Skate 57602431
The elevator door knife, the correct name should be the elevator door operator, also known as the "door opener", is the opening and closing device of the elevator car door. It is mainly responsible for the mechanism of opening and closing the elevator hall car door. , The elevator door machine controls the door opening motor through its own control system, and converts the torque generated by the motor into a force in a specific direction to close or open the door.