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