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US07891595B2 No-load bearing for a cone crusher 有权
圆锥破碎机的无负载轴承

No-load bearing for a cone crusher
摘要:
A cone crusher includes a stationary main shaft and an eccentric that rotates about the main shaft to cause gyrational movement of a head assembly to crush rock within a crushing gap. The cone crusher includes a lower head bushing in contact with an outer surface of the eccentric. The eccentric is formed with a contact pad to enhance the contact between the eccentric and the lower head bushing during a no-load condition. The contact pad includes a contact surface that is recessed from the outer surface of the eccentric to enhance contact during no-load conditions while maintaining full contact between the lower head bushing and the eccentric outer surface during full load, crushing conditions.
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