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