The further drive or stop acts on the force transmitting elements substantially without slippage, i.e., by positive engagement or friction engagement such that produces {HEAD ~ slipping} of the further drive only occurs with {TAIL ~ considerably larger forces} than slipping of the tensioning drive 
The further drive or stop acts on the force transmitting elements substantially without slippage , i.e. , by positive engagement or friction engagement such that produces { HEAD ~ slipping } of the further drive only occurs with { TAIL ~ considerably larger forces } than slipping of the tensioning drive
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 OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH