In this embodiment of the invention, {TAIL ~ the stepped motion} of {HEAD ~ the fuel distribution shaft} 15 is obtained by means of a drive coupling having torsional springs 
In this embodiment of the invention , { TAIL ~ the stepped motion } of { HEAD ~ the fuel distribution shaft } 15 is obtained by means of a drive coupling having torsional springs
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH