Patent ID: 7552667

Claim:
A cutting apparatus for cutting sheets, the cutting apparatus comprising: a carriage for sliding along a rail; a cassette holder engageable with the carriage; and a cassette encasing a cutting blade and co-operable with the carriage, when held by the cassette holder, to expose a cutting edge of the cutting blade during closing engagement of the cassette holder with the carriage, wherein the cassette includes a cover covering the entire cutting blade, the cover is movable relative to the cutting blade and has a cover part engageable with a carriage part of the carriage, upon the engagement, to move the cover and expose the cutting edge of the cutting blade, the cover is slidable relative to the cutting blade in a direction parallel to the cutting blade, the cover comprises first and second cover members covering opposite sides of the cutting blade, the first and second cover members are individually slidable, and the first cover member includes the cover part engageable with the carriage part, upon the engagement, to move the first cover member and thereby expose a corresponding side of the cutting edge of the cutting blade.