Patent ID: 8028421
Filing Date: 2011-10-04
Classification: B26B

Abstract:
1. 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 able to be engaged when the blade cartridge body is positioned within the blade cartridge bay and disengaged when the blade cartridge body is outside of the blade cartridge bay; b. a knife blade positionable within the recess slot and configured to slidably move between an open position and a closed position; 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 automatically urged to a retracted position by a guide spring such that the guide spring urges the guide assembly to retract when the user is not pushing the guide assembly and the knife blade toward a second position; and d. a leaf member for engaging and disengaging the blade cartridge to the blade cartridge bay.