Patent ID: 6155152
Filing Date: 2000-12-05
Classification: B26D,Y10T

Abstract:
A knife holder for attachment to a knife holder bar, and for holding a knife head having a circular wrapper cutter with a blade rotatably mounted in the knife head for engagement with a lower cutter to cause lengthwise separation of a material web, the knife holder comprising:a base body for positioning the knife head;means for mounting said base body to the knife holder bar;a tie bar for moving the knife head between a resting position and a cutting position where an area of the blade is exposed and is operatively engaged with the circular wrapper cutter;a protective hood for covering at least a portion of the circumference of the circular wrapper cutter and movable relative to the circular wrapper cutter between an operating position where the blade is exposed and a protective position where the protective hood covers at least a side of the blade;a pullback spring disposed between said protective hood and said tie bar for holding said protective hood in the operating position when the circular wrapper cutter is in the cutting position; anda limit stop on the base body for pushing said protective hood into the protective position when the circular wrapper cutter is in the resting position.