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How does a chain pulley work?

Feb 10, 2011 by Kelsey | Posted in Engineering

In a educational video for kids about pulleys, a device named a "chain pulley" was mentioned, which was supposed to keep the load up without having to pull on it continuously (like with a tackle and block). I find this hard to believe (especially

...part of a standard chain hoist setup.

Commercial chain pulleys, also called chain hoists, are designed to lift very heavy loads up to 25 tons safely. To do this they include a brake assembly to prevent the load from coming back down until

jadini | Feb 10, 2011

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