Patent ID: 6915577

Claim:
A utility knife including (a) a handle having a first end, and a second end; (b) a neck having a distal end and having a proximate end; (c) a blade mounted on said distal end, said blade including (i) a base, (ii) an upper edge opposed to and spaced apart from said base, (iii) a cutting edge extending along said base, and (d) a fastener pivotally attaching said proximate end to said first end such that said neck can be moved between two positions, (i) a first open unfolded operative position with said cutting edge exposed for use to cut an object, and (ii) a second closed folded position with said cutting edge stored adjacent said handle; and, (e) a locking mechanism movable between at least two operative positions, (i) a first operative position with a portion of said locking mechanism securing said blade in said neck, and (ii) a second operative position with said locking mechanism disengaged to permit said blade to be removed from said neck, wherein said locking mechanism further includes a knob to maintain said locking mechanism in said first operative position.