| 摘要 |
An improved crusher with first, second and third curtain assemblies. Each curtain assembly mounts a series of crusher plates and the plates of its curtain assemblies are distributed circumferentially above a rotor in the crusher. The three curtain assemblies pivot or swing about a common pivot axis. Gravity biases the third curtain assembly whereby the breaker plates are urged toward the rotor of the crusher. Springs and curtain rods are part of structure additionally biasing the third curtain assembly.
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