Child resistant dispensing closures
US4047495A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 3, 1976 |
| Grant date | Sep 13, 1977 |
| Priority date | — |
| Expiry date | May 3, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2251/1016
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A dispensing type container closure having a lid pivotally mounted on the closure so as to be capable of being moved between a closed position in which the lid closes off an opening through the top of the container and an open position in which this opening is uncovered can be made child resistant in character by including a recess in the top of the closure into which the lid is adapted to fit so that in the closed position the lid cannot be manually engaged to be rotated from the closed position. A fulcrum is provided within the recess and the lid is made so that when the lid is in the closed position pressure can be applied to the lid in order to pivot or move a portion of the lid remote from where the lid is hinged on the closure to a sufficient extent so that this portion of the lid can be manually engaged and moved from the closed position. Preferably a toggle structure is employed to connect the lid and the closure so as to hold the lid in either the closed or the open position. A part of this toggle structure is employed to increase the flexibility of the lid so as to facilitate pressure being applied to move the lid from the closed position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.