| 摘要 |
A safety cap arrangement for containers of materials which are dangerous to children is provided wherein a user will detect by merely looking at the cap whether it is in a safe or non-safe condition. When the cap is being applied to a container, its push button operator will rise automatically to a condition indicating that the cap is safe or child-proof. The safety cap can be operated without discomfort to the fingers of the user, is convenient, simple in construction and economical. A visual indicator enables the user to know when the push button operator on the outer cap is positioned to engage driving elements of the inner cap.
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