To provide a clippers type reaper in which a pair of right and left movable blades 20 are reciprocated and driven on a fixed blade 10 in mutually opposite directions, and which can avoid that straw wastes and mud are stayed and accumulated in a space S between the ends of both the movable blades 20.

A cover 50 is connected to the end of one of a pair of right and left movable blades 20. The cover 50 is extended above the end of the other movable blade 20 not connected to the cover 50, and covers a space S between the ends of both the movable blades 20.