Child resistant closure
US5316161A · kind A · utility
23Cited by
7References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 20, 1993 |
| Grant date | May 31, 1994 |
| Priority date | — |
| Expiry date | Apr 20, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D50/041
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A child resistant closure having an inner cap and an outer cap. The inner cap is normally biased into engagement with the outer cap for screwing the closure onto the container but the outer cap and inner cap become disengaged when the outer cap is turned in a direction to remove the closure from the container resulting in the outer cap being freely rotatable on the inner cap. Cooperating rigid fingers and teeth are provided on the inner and outer caps which become engaged when the outer cap is pushed downwardly to interconnect the inner and outer caps so that the closure can be removed from the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.