Dual flush toilet devices
US8584268B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jul 30, 2012 |
| Grant date | Nov 19, 2013 |
| Priority date | — |
| Expiry date | Jul 30, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7358
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A dual flush device is disclosed to provide a full flush for removing solid waste and a water-saving partial flush for removing liquid or light solid waste in a toilet. It includes a first flush handle attached to a shaft to raise a lever to open a flapper valve, and a second flush handle that overlaps the first handle and opens the flapper valve through the first handle. A float assembly is disclosed to be used either with the dual flush device or with the original single flush lever assembly to prematurely close an opened flapper valve and reduce water consumption. Using the original flapper valve in a conventional toilet tank, a dual flush function is achieved by any of the three implementation choices: (1) the dual flush device alone; (2) the dual flush device and a float assembly; and (3) a float assembly alone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.