Patent ID: 8307559
Filing Date: 2012-11-13
Classification: A01D

Abstract:
1. A bush cutter blade comprising: a base plate; a reel installed on the base plate; a resin string blade wound around the reel; string guides which detachably secure the resin string blade to the base plate; and metal blades installed in such a way as to protrude outward from the base plate, wherein a pair of the metal blades are installed on the base plate, being placed diagonally across the reel, the string guides are installed on peripheral edges of the base plate at 90-degree angles to the metal blades; each string guide has an opening through which the associated resin string blade passes and an arc-shaped portion which is contacted by and redirects the resin string blade when it passes through the opening; the opening and the arc-shaped portion redirect constantly the resin string blade to extend outwardly at less than a 90 degree angle from a line extending substantially tangentially from the reel and in such a way as to protrude further outward than an outermost periphery of the metal blade.