Patent ID: 7503120

Claim:
A cutter device capable of cutting while in sliding contact with one of a variety of sheet materials to be cut, the cutter device comprising: a) an outer sleeve, the outer sleeve having a closed end and an open end; b) an inner sleeve slideably engaged within the outer sleeve, the inner sleeve having a first position and a second position with respect to the outer sleeve; c) a biasing element for biasing the inner sleeve in the second position, wherein the biasing element is disposed between the inner sleeve and the outer sleeve; and d) a blade having a sharp cutting edge extending non-parallel to a longitudinal axis of the cutter device and adapted to slideably engage and cut the sheet material, the blade being attached to the first end of the inner sleeve, wherein the blade extends beyond the outer sleeve when the inner sleeve is in the first position and wherein the blade retracts within the outer sleeve when the inner sleeve is in the second position; and e) a plurality of guide surfaces disposed on an exterior surface of the closed end of the outer sleeve and being angled inward and toward a tip of the closed end, at least one of the guide surfaces angled with respect to the longitudinal axis, wherein two or more guide surfaces are flat and intersect to form a plurality of guide edges initiating near the tip of the closed end of the outer sleeve and extending outward and rearward toward the open end of the outer sleeve.