Large diameter safety closure
US5921417A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 8, 1998 |
| Grant date | Jul 13, 1999 |
| Priority date | — |
| Expiry date | May 8, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D50/046
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A safety closure providing a top wall, an outer skirt depending downwardly from an outer perimeter of the top wall, an inner skirt depending downwardly from the top wall, the inner skirt being disposed radially inwardly from the outer skirt, the inner skirt being coaxial with the outer skirt, a locking tab depending downwardly from a lower end of the outer skirt, a first thumb pad, and, a second thumb pad, the second thumb pad being opposed the first thumb pad about the locking tab, the first thumb pad being angularly offset from the locking tab by a first predetermined angle, the second thumb pad being angularly offset from the locking tab by the first predetermined angle, whereby applying a squeezing force between the first thumb pad and the second thumb pad moves the locking tab radially outwardly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.