Home > Term: crown block
crown block
A pulley, set of pulleys, or sheaves at the top of a drill derrick on and over which the hoist and/or other lines run.
- Part of Speech: noun
- Industry/Domain: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Creator
- ed.young
- 100% positive feedback
(Milwaukee, United States)