Device 3, wherein the impulse sending wheel is a cup shaped sheet metal piece which is separately attached by {HEAD ~ an additional nut} to {TAIL ~ a head} of the axial fastening bolt of the device and radially surrounds the nut  
to
Device 3 , wherein the impulse sending wheel is a cup shaped sheet metal piece which is separately attached by { HEAD ~ an additional nut } to { TAIL ~ a head } of the axial fastening bolt of the device and radially surrounds the nut
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH