The mutually oblique boundary walls of {HEAD ~ the slot} 36 on one hand and on {TAIL ~ the other hand} the converging walls of the cog 37 ensure proper operational alignment of the two tightening device components 34 and 35 and hence assembly errors shall be avoided 
The mutually oblique boundary walls of { HEAD ~ the slot } 36 on one hand and on { TAIL ~ the other hand } the converging walls of the cog 37 ensure proper operational alignment of the two tightening device components 34 and 35 and hence assembly errors shall be avoided
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL 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 OTH OTH