Child resistant safety cap with collar and semi-flexible tether for sprayers
US5657905A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 28, 1995 |
| Grant date | Aug 19, 1997 |
| Priority date | — |
| Expiry date | Aug 28, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2215/04
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention is a spray dispenser device closure. It includes a main closure base for attachment to a container, an outer ring, a spray mechanism attached to the base, a semi-flexible tether, and an overcap. The main closure base has a top portion with a circular horizontal track thereon for attachment with an outer ring. The outer ring has a circular inside wall with a horizonal track thereon for attachment to the track of the base so as to connect them in such a way as to be horizontally and freely rotatable thereabout. The outer ring has a top with an outwardly or, alternatively, an inwardly biased ledge for retaining an overcap and has at least one cut out on the ledge to permit an overcap to be inserted and removed from the outer ring. The overcap has a circular bottom adapted to be inserted into or, alternatively, onto the outer ring and over the spray mechanism. The bottom of the overcap has at least one protrusion which has a geometry of adequate size to freely move through the cut out of the ledge of the outer ring. When the overcap is inserted and rotated, it can not be removed unless the protrusion is aligned with the cut out. The semi-flexible tether has a rest…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.