heres the actual facts.
Other aircraft designers such as Franz Schneider in Germany and Raymond Saulnier in France were also working on the same idea. In the early months of 1915, the French pilot, Roland Garros, added deflector plates to the blades of the propeller of his Morane-Saulnier. The idea being that these small wedges of toughened steel would divert the passage of those bullets which struck the blades.
After the Morane-Saulnier that Roland Garros was flying crashed at Courtrai on 19th April, 1915, Anton Fokkerwas able to inspect these deflector blades. Fokker and his designers decided to take it one stage further by developing an interrupter mechanism. A cam was attached to the crankshaft of the engine in line with each propeller blade, when the blade reached a position in which it might be struck by bullets from the machine-gun, the relevant cam actuated a pushrod which, by means of a series of linkages, stopped the gun from firing. When the blade was clear, the linkages retracted, allowing the gun to fire.
i hope i,ve managed to make ammends for my mistake guys?