초록 ▼

A closure for a container, including means for counting and indicating the number of times the closure has undergone a cycle of closing and opening the container, and further including means for incorporating the closure into means for resisting the opening of the container by a child. In a preferre

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

대표청구항 ▼

[ What is claimed is:] [1.] An indicator device for mounting to a closure for a container, to indicate the opening or closing of the container, comprising:(a) an outer cover including a top piece with an indicator window therein and a depending skirt extending axially from the top piece, the top pie

[ What is claimed is:] [1.] An indicator device for mounting to a closure for a container, to indicate the opening or closing of the container, comprising:(a) an outer cover including a top piece with an indicator window therein and a depending skirt extending axially from the top piece, the top piece being movably positioned over the depending skirt; p1 (b) a retainer attached to the outer cover whereby the outer cover can limitedly rotate in relation to the retainer;(c) a mount for mounting the indicator device to the closure;(d) an indicator wheel disposed between said outer cover top piece and said retainer;(e) a disk having a top side with a set of indicator symbols selectively viewable through said indicator window, the disk being removably mounted to the indicator wheel; and(f) a first rotation mechanism engaging said indicator wheel to said outer cover for allowing rotation of the outer cover in relation to the indicator wheel in a first rotational direction but not in a second rotational direction opposite the first rotational direction.