second lower coil engaging means slidably disposed on {HEAD ~ said second shaft} for operatively engaging {TAIL ~ a lower portion} of the other side of the coil spring, said second lower coil engaging means being disposed farther away from said second longitudinal axis than said second upper coil engaging means 
for operatively engaging
second lower coil engaging means slidably disposed on { HEAD ~ said second shaft } for operatively engaging { TAIL ~ a lower portion } of the other side of the coil spring , said second lower coil engaging means being disposed farther away from said second longitudinal axis than said second upper coil engaging means
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL 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 OTH OTH OTH OTH OTH OTH