The flanges 13 and the hollow tube 14 can be made as a one piece and the casing 30 is mounted to the support unit 10 and {HEAD ~ one positioning bolt} 41 extends through {TAIL ~ the collar} 40 and is connected to the axle 21 
extends through
The flanges 13 and the hollow tube 14 can be made as a one piece and the casing 30 is mounted to the support unit 10 and { HEAD ~ one positioning bolt } 41 extends through { TAIL ~ the collar } 40 and is connected to the axle 21
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 HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH