- The Universal Coupler concept is a very flexible coupler system developed for elevator modernization projects.
- Its patented design, based on Wittur long experience in the field, allows flexible position and distance of the coupler elements according to the design of the landing doors.
- The Universal Coupler concept can thus be used for nearly all landing doors with hook-type lock system in the door mechanism.
- The Universal Coupler concept is equipped with a car door lock according to EN 81-20/50; no modifications to the original landing doors are required.
- A special execution with an additional bracket and a 20 mm sill extension on the car side allows installation also with special landing door designs with a very short distance between the hook lock rollers.