Rotary movable drive shaft for use between input element and output element of accessory drive system for turbo shaft engine of aircraft, has main body whose one end is coupled with each shaft end by complementarity shaped connection unit

摘要

The shaft (12) has a hollow main body (20) whose two ends are mounted with two shaft ends, where the shaft ends are formed to attach with an input element and an output element. Each shaft end is rotatably coupled at one of the ends of the main body by a complementarity shaped connection unit and formed on surfaces of an oval shaped cross section and a connector receiving element. The main body comprises an interior wall (22) and an exterior wall (24), where the interior wall and the exterior wall comprise oval shaped cross sections. Independent claims are also included for the following: (1) an accessory drive system (2) a method for manufacturing a drive shaft.