Below are possible answers for the crossword clue Operating mechanism.
5 letter answer(s) to operating mechanism
LEVER
a flat metal tumbler in a lever lock
a rigid bar pivoted about a fulcrum
a simple machine that gives a mechanical advantage when given a fulcrum
to move or force, especially in an effort to get something open; "The burglar jimmied the lock": "Raccoons managed to pry the lid off the garbage pail"
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