1. Shaft A’ssy (or Fit of Equipment)easy to move roller positions in the state
2. Improved Processability, Improved Assemblyability- Additional cost Savings
3. Material cost Savings
4. Tightent Ring Type, unlike sleeve Type is bolted to improve binding force
5. Improved quality of shaking right angle of Assy`s
6. LCD Glass carrying roller tighten ring (Design registration ; 30-0998668)