Hinged utility knife

Abstract

A utility knife constructed of a lower shell (102), an upper shell (104), a retaining knob (106) and a hinge pin (108). The hinge pin (110) provides a high-strength connection between lower shell (102) and upper shell (104). Retaining magnets (110) and (112) retain steel utility blades in place when shells (102) and (104) are separated from one another. According to one embodiment, the retaining magnets (110) and (112) are permanent magnets made of an alloy of neodymium, iron and boron.

Dependencies are inferred from the claim text.