| 摘要 |
PROBLEM TO BE SOLVED: To provide a crusher which reliably crushes crushed objects such as defective moldings or excess moldings.SOLUTION: A crusher includes: a housing having an opening part at an upper part; a rotary blade which is attached to a rotary shaft horizontally placed in the housing and comprises a large rotary blade 4 and a small rotary blade; and a fixed blade disposed in the housing and configured to engage with the rotary blade. The large rotary blade 4 has: first blade parts 401, each of which has a blade surface 41 formed along a radial direction; first holding parts 402, each of which has a holding surface 42 arranged substantially parallel to the blade surface and holds a crushed object; and first groove parts 43, each of which is defined by the first blade part 401 and the first holding part 402.SELECTED DRAWING: Figure 3 |
