Abstract: In the crusher of the present invention, a rotary blade section has blades for roughly crushing a member to be crushed. A fixed blade section has a plurality of blades which are linearly arranged. A movable blade section has a plurality of blades which are linearly arranged and capable of engaging with the blades of the fixed blade section. The movable blade section is capable of swinging to move close to and away from the fixed blade section. A driving mechanism swings the movable blade section with the rotation of the rotary blade section. With this structure, the crushed members, which have been roughly crushed by the rotary blade section, are crushed into grains between the fixed blade section and the movable blade section.

Abstract: In the guide chain of the present invention, a plurality of chain members are serially connected. The adjacent chain members are pivotably connected to each other. Each of the chain members is formed into a U-shape by resin molding whereby a long member is accommodated in the chain members which have been serially connected. The chain members are molded with a blended resin, which is made by blending a plurality of kinds of resin, and in which reinforcing fillers are added. With the blended resin, surfaces of the chain members are made smooth without projecting reinforcing fillers.

Abstract: The object of the present invention is to provide a crusher, which is capable of efficiently crushing materials or scraps, and a crushing mechanism for the crusher. To achieve the object, the crusher of the present invention comprises: a fixed member having a first blade portion for crushing a material to be crushed into pieces; a movable member being capable of moving to and away from the fixed member, the movable member having a second blade portion, which crushes the material into pieces with the first blade portion when the movable member is moved toward the fixed member; and a driving mechanism for moving the movable member to and away from the fixed member.