Patent ID: 9102068
Filing Date: 2015-08-11
Classification: B26B

Abstract:
1. A multifunction safety knife assembly, including a blade, comprising: a housing having a head and a body, the head including a frontal opening and a lower protected opening, the lower protected opening including a lower section adapted to expose the blade; a channel, having a first end and a second end, defined at the first end by the lower protected opening, where the second end is positioned in the head of the assembly to allow length of the channel to expose the full height of the blade while maintaining structural stability of the head; a biasing element enclosed in the body, the biasing element attached at one end to the housing; a blade carrier attached to an opposite end of the biasing element, the blade carrier holding the blade, the blade having a front cutting edge and a bottom cutting edge, wherein the bottom cutting edge of the blade is exposed by the protected lower opening, and the front cutting edge of the blade is selectively exposed by the frontal opening; and a first element fixed to the blade carrier, the first element controlling the selective exposure of the front edge of the blade by the frontal opening; wherein the blade is positioned in the lower section of the lower protected opening when the front cutting edge of the blade is not exposed by the frontal opening and the blade is positioned in both the lower section and the upper section of the lower protected opening when the front cutting edge of the blade is exposed by the frontal opening wherein the biasing element is adapted to urge the blade between a first position where the bottom cutting edge of the blade is exposed and the front cutting edge of the blade is enclosed, and a second position where both the front cutting edge and the bottom cutting edge of the blade are exposed.