A cutting head for cutting spread sheet material and using a vertically reciprocating knife achieves a light weight, low cost, {TAIL ~ low maintenance} and high stroking speed design through a unique combination and arrangement of parts wherein the knife drive motor is isolated from {HEAD ~ rotation} with the knife about the theta axis without using a conventional swivel mechanism 
A cutting head for cutting spread sheet material and using a vertically reciprocating knife achieves a light weight , low cost , { TAIL ~ low maintenance } and high stroking speed design through a unique combination and arrangement of parts wherein the knife drive motor is isolated from { HEAD ~ rotation } with the knife about the theta axis without using a conventional swivel mechanism
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH