The object of the invention is a leaf cutter and against blade for trimming hedges comprising a frame (10) intended to be mounted on a handling arm, having a longitudinal axis XX 'and a transverse axis YY 'of the frame, means (12) motors, against blade (14) integral with said frame (10), a blade (16), means (18) for guiding the blade, characterized in that the means ( 12) motors include a motor M with a shaft (28) engine and means (18) of the blade guide (16) comprises a mounting eccentric, driven in rotation by said shaft (28) motor of the motor M, so generating a semi-reciprocating consisting of an elliptical motion.
