This video explains the main functions and practical uses of the 3J-11J Gear and Polyurethane Coupling for Air Compressor OEM in a clear, step-by-step format. You will see a detailed walkthrough of its claw-type design, how it effectively dampens vibration and shock, and compensates for axial, radial, and angular displacement. The demonstration highlights its robust construction, ease of installation, and suitability for various industrial applications.