Features

• Automatic and permanent nut lubrication system to guarantee efficient lubrication during lifting and descent.
• Main nut made of bronze (no plastic) with high resistance to wear, for greater safety.
• Steel high resistance rolled screws, to provide long life.
• Specially manufactured motors fitted with overheating protection switch.
• Automatic arm locking during lifting and automatic unlocking when the arm reaches the floor – self-locking conical design.