The main difference in relation to {TAIL ~ the embodiment} shown in FIG 1 is {HEAD ~ the shape} of the elastic element, which here is more a disc than a sleeve 
The main difference in relation to { TAIL ~ the embodiment } shown in FIG 1 is { HEAD ~ the shape } of the elastic element , which here is more a disc than a sleeve
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH