{HEAD ~ A second member} 13 is provided with a recess 14 defined thereon, preformed friction spring elements 17 are positioned on {TAIL ~ the second member} 13 by sliding the elements 17 on member 13 at the recessed end as explained in conjunction with the description of FIGS 4 and 5 
{ HEAD ~ A second member } 13 is provided with a recess 14 defined thereon , preformed friction spring elements 17 are positioned on { TAIL ~ the second member } 13 by sliding the elements 17 on member 13 at the recessed end as explained in conjunction with the description of FIGS 4 and 5
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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