초록 ▼

A closure for a container including an indicator mechanism to record the removal of the closure from the container and a child-resistant mechanism to resist the removal of the closure from the container by a child. A spring in the indicator mechanism urges the indicator mechanism toward the child-re

A closure for a container including an indicator mechanism to record the removal of the closure from the container and a child-resistant mechanism to resist the removal of the closure from the container by a child. A spring in the indicator mechanism urges the indicator mechanism toward the child-resistant mechanism to provide sufficient force to engage the child-resistant mechanism for the attachment of the closure to the container, but not sufficient force to engage the child-resistant mechanism for the removal of the closure from the container, so that an additional external force must be applied to engage the child-resistant mechanism for the removal of the closure from the cap. The additional, external force is also necessary to engage the indicator mechanism, so that the mechanism cannot be inadvertently advanced.

대표청구항 ▼

A closure for a container to indicate the removal or replacement of the closure on the container, comprising: an indicator mechanism; and an indicator mechanism actuator which actuates the indicator mechanism only upon an application of an external force urging the closure toward or away from the co

A closure for a container to indicate the removal or replacement of the closure on the container, comprising: an indicator mechanism; and an indicator mechanism actuator which actuates the indicator mechanism only upon an application of an external force urging the closure toward or away from the container; a cap attachable and detachable to the container to close the container, the cap being detachable from the container only upon said application of said external force; the cap being engageable and disengageable with the indicator mechanism, the cap being engageable with the indicator mechanism to detach the cap from the container only upon said application of said external force; the cap being rotatably attached to the indicator mechanism, one of the indicator mechanism and cap including protrusions and the other of the indicator mechanism and cap including mating protrusions to releasably engage with the protrusions, and the indicator mechanism including a spring to apply an internal force urging at least part of the indicator mechanism toward the cap so that when attaching the cap to the container the protrusions mate with the mating protrusions and the indicator mechanism engages the cap; the protrusions and mating protrusions being configured such that the spring exerts sufficient internal force to maintain the protrusions and mating protrusions in engagement when attaching the cap to the container but the spring does not exert sufficient internal force to maintain the protrusions and mating protrusions in engagement when detaching the cap from the container, so that an additional external force must be applied between the indicator mechanism and the cap to maintain the protrusions and mating protrusions in engagement when detaching the cap from the container; the indicator mechanism including an outer cover having a top and an outer cover depending skirt; an indicator wheel positioned below the outer cover and rotatably engaged with the outer cover; indication symbols on one of the outer cover and indicator wheel and an indicator to indicate said symbols on the other of the outer cover and indicator wheel; and a retainer positioned below the indicator wheel and rotatably engaged with the indicator wheel; the retainer being engaged with the counter cover to allow limited rotation of the outer cover in relation to the retainer; one of the retainer and outer cover including a set of limited motion grooves and the other of the outer cover and retainer including a set of mating limited motion tabs, whereby the outer cover can rotate a limited degree in relation to the retainer by the limited motion tabs sliding through the limited motion grooves.