Passage means provide {TAIL ~ a path} for lubricant to flow into the cavity which has, within its boundaries, the internalexternal spline arrangement described, thus insuring continued lubrication of {HEAD ~ the spline connection} 
Passage means provide { TAIL ~ a path } for lubricant to flow into the cavity which has , within its boundaries , the internalexternal spline arrangement described , thus insuring continued lubrication of { HEAD ~ the spline connection }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL 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 HEAD HEAD