Patent ID: 6865816

Claim:
A utility knife comprising: a body comprising a first body section and a second body section, wherein said first body section comprises a first blade-holding portion, and said second body section comprises a second blade-holding portion; a replaceable thin elongated blade disposed on at least one of said first body section and said second body section; connecting means for connecting said first body section to said second body section, said connecting means permitting rotation of at least one of said first body section and said second body section between at least one closed position wherein said replaceable thin elongated blade is securely held by said utility knife, and at least one open position wherein said replaceable thin elongated blade is removably held by said utility knife; a first magnet mounted in said first body section, and a second magnet mounted in said second body section, positioned to repulse said first magnet when said first body section and said second body section are in said at least one closed position.