Convertible childproof/non-childproof cap and container
US4854459A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 18, 1988 |
| Grant date | Aug 8, 1989 |
| Priority date | — |
| Expiry date | Nov 18, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D50/041
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention involves a container and cap which is generally childproof and may be rendered non-childproof permanently. The invention involves a container having a cylindrical neck at the top and threads molded about the exterior of the neck as well as an inner cap and outer cap. The inner cap has a top and cylindrical side wall with threads molded on the inside of the side wall so as to mate with the threads of the container. The top or side of the inner cap has ratchet type segments on its outside and the outer cap has ratchet type segments on the inside of its top or side. The outer cap has a cylindrical side wall and is usually freely rotatable about the inner cap so as to be childproof. When in the childproof configuration as described, downward pressure is required by the user so as to engage the two rachet type segments and thereby engage the two caps to permit opening. Further, the outer cap has an opening in its side wall at a level near the bottom of the side wall of the inner cap and also has integrally attached thereto a flexible connector and stop. The flexible connector and stop are located so as to permit insertion of the stop into the opening so as to exten…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.