A lever operated manual device used to lift. lower, or pull a load and to apply or release tension. Utilizes a ratchet and pawl mechanical configuration to incrementally raise or lower a load or to apply or release tension. Found on http://www.mhia.org/learning/glossary/r
A lever operated manual device used to lift. lower, or pull a load and to apply or release tension. Utilizes a ratchet and pawl mechanical configuration to incrementally raise or lower a load or to apply or release tension.