Child resistant dropper closure
US10633151B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2015 |
| Grant date | Apr 28, 2020 |
| Priority date | — |
| Expiry date | Jan 20, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D47/18
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A child resistant closure for a container including an inner portion and an outer portion. The inner portion includes internal threads, a plurality of ramped springs, and a plurality of inner drive teeth. The plurality of ramped springs are spaced apart circumferentially about a longitudinal axis of the closure. The plurality of inner drive teeth are spaced apart circumferentially about the longitudinal axis outboard of the plurality of ramped springs. The outer portion is seated over the inner portion and includes a plurality of protrusions spaced apart circumferentially about the longitudinal axis and configured to contact the plurality of ramped springs. The outer portion also includes a plurality of outer drive teeth spaced apart circumferentially about the longitudinal axis outboard of the plurality of protrusions and configured to contact the plurality of inner drive teeth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.