how ratcheting pulley system works?Advertisement
NOTICE: When using the ROPE RATCHET, carefully evaluate actual work load prior to use. Do not exceed load limit of Ratchet or Cord. Inspect Rope and Ratchet BEFORE each use. - read more
The drive element of a pulley system can be a rope, cable, belt, or chain that runs over the pulley inside the groove. Hero of Alexandria identified the pulley as one of six simple machines used to lift weights. ... How it works The simplest theory ... - read more
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