B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 50/10 (2006.01) B65D 50/04 (2006.01)
Patent
CA 2055906
ABSTRACT The present invention involves a child resistant closure for containers with threaded necks. It involves an inner cap and an outer cap which engages with one another by ratchets in order to close but these ratchets do not engage when an attempt is made to open the closure. The inner cap and the outer cap are generally cylindrical and have sides and a top, although the outer cap may have an open top. The inner cap has threads on its inside and is adapted to non- removably receive the outer cap so that the outer cap is rotatably engaged therewith. The outer cap is non-removably but rotatably mounted on an engaged with the inner cap. Atleast one keyway slot is located either on the outside of the inner cap or the inside of the outer cap and there is atleast one keyway protrusion extending toward the keyway slot and located on which ever of the inner cap and outer cap does not contain the slot. There are indexes on each of the caps and when they are aligned, the keyway protrusion and the keyway slot will be aligned. The user will align the indexes or indicia and then lift up so that the protrusion fits into the keyway slot. In this manner, the outer cap engages the inner cap so that they are simultaneously rotated for opening. Upon closure, the protrusion will be pushed or dropped out of the slot and the ratchets will engage for proper closure.
Blake Cassels & Graydon Llp
Primary Delivery Systems Inc.
Weinstein Jack
LandOfFree
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