Patent ID: 7603779
Filing Date: 2009-10-20
Classification: B26B

Abstract:
1. A utility knife, comprising: a housing; a linkage coupled to said housing; a first blade coupled to said linkage and movably positioned within said housing between a first blade retracted position wherein all of said first blade is positioned within said housing and a first blade extended position wherein a portion of said first blade extends outside said housing; and a second blade coupled to said linkage and movably positioned within said housing between a second blade retracted position wherein all of said second blade is positioned within said housing and a second blade extended position wherein a portion of said second blade extends outside said housing, said linkage being movable between a first position in which said linkage locks said first blade in said first blade retracted position while said second blade moves between said second blade retracted position and said second blade extended position and a second position in which said linkage locks said second blade in said second blade retracted position while said first blade moves between said first blade retracted position and said first blade retracted position extended position.