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 slipping of the further drive only occurs with considerably larger forces than {HEAD ~ slipping} of {TAIL ~ the tensioning drive} 
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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 slipping of the further drive only occurs with considerably larger forces than { HEAD ~ slipping } of { TAIL ~ 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL