Therefore, strong impacts and high torsional moments are never caused in a driving shaft 4, even if tooth traces of gears are inconsistent with each other at the beginning of {HEAD ~ engagement} between {TAIL ~ rack gears} 10 and pinions 12 
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Therefore , strong impacts and high torsional moments are never caused in a driving shaft 4 , even if tooth traces of gears are inconsistent with each other at the beginning of { HEAD ~ engagement } between { TAIL ~ rack gears } 10 and pinions 12
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH