作者: Gage Garby , Allan Barker
DOI:
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摘要: A closure for a container, including means counting and indicating the number of times has undergone cycle closing opening further incorporating into resisting container by child. In preferred embodiment, includes an outer cover having indicator symbol window carrier rotatably mounted in with symbols visible through window, tooth pawl allowing one-way rotation relative to allow advancement audible click as passes over confirm proper advancement, lost motion positively assuring one only upon each cycle, mechanism requiring application axial force urging toward while applying rotational disengage from container.