Patent ID: 8359754

Claim:
A removable blade cartridge configured to fit within a corresponding blade cartridge bay, the blade cartridge comprising: a. a removable blade cartridge body having a recess slot within and a knife slot in communication with the recess slot, the removable blade cartridge body further comprising an engaging mechanism which is engaged when the removable blade cartridge is positioned within the blade cartridge bay and disengaged when the removable blade cartridge is outside of the blade cartridge bay; b. a knife blade positionable within the recess slot and configured to slidably move relative to the blade cartridge body between an open position and a closed position; and c. a guide assembly coupled with the knife blade, wherein the guide assembly drives the knife blade between the closed position and the open position, wherein the knife blade is restricted from moving to the open position when the engaging mechanism is disengaged and further wherein when the engaging mechanism is engaged, the guide assembly is biased to retain the knife blade in the closed position and only to move the knife blade to the open position when a force is applied to the guide assembly.