harrow for tractor

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PURPOSE : A harrow for a tractor is provided to set up the angel of a harrow plate easily, to pull and push earth effectively and to be conveniently assembled and used by having a simple constitution. CONSTITUTION : The harrow for a tractor includes an expanding cylinder(20) and plural ascending/descending rods(30). One end of the expanding cylinder(20) is hinge-coupled to a harrow mounting bracket and the other end of the expanding cylinder(20) is hinge-coupled to a first bracket(44) formed on a harrow plate. A cylinder link(22) is installed between the first bracket(44) and the expanding cylinder(20). A first connection point of the cylinder link(22) is hinge-coupled to one end of the expanding cylinder, and a second connection point of the cylinder link is hinge-coupled to the other end of the first bracket(44). A stopper is formed on the first bracket. © KIPO 2007