Back closure
US8375520B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 13, 2009 |
| Grant date | Feb 19, 2013 |
| Priority date | — |
| Expiry date | Dec 22, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05D11/1014
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A back closure for a multi-use frame includes a base plate and a lever. The base plate has a first and second knuckle. A tab is defined within the base plate between the first and second knuckle. The tab has spring-bias. A lever is connected to the base plate for movement relative to the base plate. The lever and the base plate have a common axis for movement relative to one another. The lever includes a center knuckle which is positioned between the first and second knuckle of the base plate. The center knuckle defining a slot for receipt of the tab to provide snap action. In operation, a user moves the lever relative to the base plate about a common axis. The tab of the base plate engages the slot defined within the lever to prevent further travel of the lever.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.