Child resistant flip cap with collar
US5593054A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 28, 1995 |
| Grant date | Jan 14, 1997 |
| Priority date | — |
| Expiry date | Apr 28, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D50/062
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention is a container closure device, which includes a container, a collar ring, a semi-flexible tether and a cap. The container has a neck, an open top and a horizontal retainer track thereon for affixing a collar ring thereto. The collar ring has a circular inside wall with a horizontal track thereon for attachment to the track of the container so as to be horizontally and freely rotatable thereabout. The collar ring also has a top with a ledge thereon forming a horizontal arc track for frictionally engaging and retaining a cap, and has at least one cut out on the ledge to permit a cap to be inserted and removed from the collar ring. The cap has semi-flexible walls and has at least one protrusion which corresponds to and has a geometry of adequate size to freely move through the cut outs of the ledge of the collar ring and when the cap is so inserted and rotated, of adequate size and geometry to cause frictional engagement and to cause simultaneous rotation of the cap from the collar ring and to prevent removal of the cap from the collar ring, except when the cap and the collar ring are held separately and are rotated relative to one another such that the protrusio…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.