Patent ID: 7316070

Claim:
A utility knife comprising: a housing; a blade carrier movably mounted to the housing and including a blade supporting surface for supporting a blade, wherein the blade carrier is movable between a retracted position with at least a substantial portion of the blade retracted in the housing, and at least one of (i) a first extended position and (ii) a second extended position with at least a portion of the blade extending outwardly of the housing in the first and second extended positions, the first extended position spaced inwardly towards the housing relative to the second extended position; an actuator operably connected to the blade carrier and operable to move the blade carrier between the retracted and extended positions to, in turn, move the blade located on the blade carrier between the retracted and extended positions; a biasing member biasing the blade carrier toward the retracted position; and a stop member positionable at at least (i) a first position on the housing wherein the stop member is engages with the blade carrier and thereby limits extension of the blade carrier and the blade located thereon to the first extended position and (ii) a second position on the housing wherein the stop member is spaced away from the blade carrier to thereby permit movement of the blade carrier and the blade located thereon to the second extended position.