The channels 9 are closed by {HEAD ~ two annular plates} 10 connected to the respective surfaces 8 by {TAIL ~ screws} 11 and form with the tubular body 6 a tubular metal jacket 12 closed above by a cover 13 and supported from below by a flange 14 at the end of the shaft 4 
The channels 9 are closed by { HEAD ~ two annular plates } 10 connected to the respective surfaces 8 by { TAIL ~ screws } 11 and form with the tubular body 6 a tubular metal jacket 12 closed above by a cover 13 and supported from below by a flange 14 at the end of the shaft 4
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH OTH OTH OTH REL 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 OTH OTH OTH OTH OTH OTH OTH