The apparatus 2, further comprising {HEAD ~ a spring} urging {TAIL ~ said pinch roller support member} toward said platen roller 
urging
The apparatus 2 , further comprising { HEAD ~ a spring } urging { TAIL ~ said pinch roller support member } toward said platen roller
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH