Table of contents

1. Summary
2. List of figures
3. Introduction
   1. History of an escalator
   2. Problem definition
   3. Scope of project
   4. Statement of purpose
   5. Regular safety in escalators
4. Patent Search
5. Concept Design
   1. Staircase
   2. Outer tube
   3. Inter tube
6. Final Assembly
7. How it’s work
8. Design Analysis
9. Conclusions and Limitations
10. References
11. Appendices