A system of devices designed to release the harness lines from a rider's seat harness when rider releases the control bar (36), including a sensor strip (62), ratchet reel (70), harness line (68) and release cam (108). The system may also employ other embodiments with different operating mechanisms,...http://www.google.com.au/patents/US20040182968?utm_source=gb-gplus-sharePatent US20040182968 - Traction kite harness safety release
