One interesting application for friction hinges and rotary viscous dampers is in medical devices. We have our products in Hospitals, doctors offices and care facilities.  Popular applications  include toilet seats, food service trays, fold down tables, infant care devices, centrifuges, bathroom safety equipment to name a few. we design devices so that no particulation or harmful out-gassing can occur in a clean room environment.  Tray and tables that need to fold up or down  but not slam or cause noise and injury can be another good application. So if you have a specific application you can call us for a free consultation at 203-406-7900 or go to our webpage at