A detent arrangement permits a metered amount of {TAIL ~ foam sheet material} to be advanced past {HEAD ~ the planar cutting surface} by the screw feed arrangement 
A detent arrangement permits a metered amount of { TAIL ~ foam sheet material } to be advanced past { HEAD ~ the planar cutting surface } by the screw feed arrangement
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH