Patent ID: 8539680
Filing Date: 2013-09-24
Classification: B26B

Abstract:
1. A utility knife comprising: a first housing portion slidably movable relative to a second housing portion between a first position and a second position; one of the a first housing portion and the second housing portion carrying a strike plate such that the strike plate is spaced from a wall of the one of the first housing portion and the second housing portion; another one of the first housing portion and the second housing portion carrying a sliding nut assembly comprising a rotatable screw and said sliding nut constrained for movement along the axis of the screw, said sliding nut being positioned between the strike plate and the wall of the one of the first housing portion and the second housing portion when the first housing portion and the second housing portion are in the first position, and the sliding nut moving away from the strike plate when the first housing portion and the second housing portion are in the second position; the sliding nut, when the first housing portion and the second housing portion are in the first position, engaging the strike plate upon rotation of the screw to draw the first housing portion toward the second housing portion.