Slide assembly device for a snap-off blade utility knife

A method of sliding a blade in a utility knife, comprising:

• sliding a slide assembly device relative to a body of said utility knife, said utility knife having a groove adapted to receive said blade, said groove having a plurality of tabs defined on at least a first side, said slide assembly device positioned in said body for sliding movement with respect to said body, said assembly device comprising:
• a housing comprises a first engaging member having a first protrusion and a second engaging member having a second protrusion releasably engaged with two of said adjacent tabs;
• and a rocker attached to said housing and operatively connected to at least one of said engaging members, said rocker operable for disengaging said first protrusion or second protrusion with respect to said tabs, wherein a boss of said slide assembly device removably connected to said blade and disengaging one of said first and second protrusions by said rocker allows sliding movement of said slide assembly device with respect to said body;
• and discontinue sliding said slide assembly device.

A method of replacing a blade in a utility knife, comprising:

• sliding a slide assembly device relative to a body of said utility knife to a first end, said utility knife having a groove adapted to receive said blade, said groove having a plurality of tabs defined on at least a first side, said slide assembly device positioned in said body for sliding movement with respect to said body, said assembly device comprising:
• a housing comprises a first engaging member having a first protrusion and a second engaging member having a second protrusion releasably engaged with two of said adjacent tabs;
• and a rocker attached to said housing and operatively connected to at least one of said engaging members, said rocker operable for disengaging said first protrusion or second protrusion with respect to said tabs, wherein a boss of said slide assembly device removably connected to said blade and disengaging one of said first and second protrusions by said rocker allows sliding movement of said slide assembly device with respect to said body;
• dispatching said blade;
• and sliding said slide assembly device relative to said body to a second end such that said boss overlapping a blade hole detent tang of a blade guide assembly, said blade guide assembly comprising:
• a longitudinally extending shell, said longitudinally extending shell configured to fit within said groove;
• a substantially flat panel having said blade hole detent tang, said substantially flat panel configured to fit within said longitudinally extending shell;
• and a spring connected to said longitudinally extending shell, said spring configured to bias said blade hole detent tang of said substantially flat panel towards said boss of said slide assembly device, wherein said blade hole detent tang configured to be inserted within a hole of said blade.