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