Liquid dispensing apparatus and a filter assembly for a liquid dispensing apparatus
US7264717B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2004 |
| Grant date | Sep 4, 2007 |
| Priority date | — |
| Expiry date | May 24, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/03
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A spring-biased filter assembly for a liquid dispenser is disclosed that permits ready removal of a filter assembly from a filter housing. The filter housing includes a liquid inlet, a liquid outlet, and a liquid passageway therebetween. The filter housing also has an opening in communication with the liquid passageway. The filter assembly comprises a closure element positioned in the opening and releasably coupled to the filter housing through movement between connected and disconnected positions with respect to the filter housing. A filter element is positioned in the liquid passageway and coupled to the closure element. A biasing member is coupled to the closure element and the filter element and biases the closure element into the connected position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.