US Patent 7886999 Food grinder

A grinder for a food item includes a top shell having a top axis, a top inner surface disposed about the top axis, and a plurality of top teeth extending downwardly from the top inner surface. The grinder further includes a bottom shell having a bottom axis, a bottom inner surface disposed about the bottom axis, and a plurality of bottom teeth extending upwardly from the bottom inner surface. A plunger is slidable within the cavity between a retracted position and an advanced position, the plunger having an upper surface directed away from the bottom inner surface, the upper surface having a perimeter configured for slidable engagement with an inner surface of the sidewall and a plurality of apertures in registration with the plurality of bottom teeth.