Container and closure
US4084717A · kind A · utility
40Cited by
2References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 29, 1977 |
| Grant date | Apr 18, 1978 |
| Priority date | — |
| Expiry date | Jun 29, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D50/043
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A child-resistant container and closure is disclosed. The container has multiple helical threads with each thread having a ratchet portion at its start end. The closure features a like number of helical threads for cooperation with the container threads. The closure threads have adjacent their terminal ends at least one ratchet tooth for cooperation with the ratchet portion of the closure threads. Means is also provided for disengaging the ratchet teeth with the ratchet portion by providing for downward axial movement of the closure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.