Water flow control device
US5704397A · kind A · utility
Inventor
Key dates
| Filing date | Nov 12, 1996 |
| Grant date | Jan 6, 1998 |
| Priority date | — |
| Expiry date | Nov 12, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/9464
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A water flow control device including a control valve mounted in a casing and controlled by a control rod through an actuating rod to close/open the water discharging port, the control valve including a valve flap having a center hole and a plurality of axial ribs axially downwardly extended from the periphery of the center hole and being moved to close/open the water discharging port of the upright tube of the casing, an axle having a bottom end inserted through the center hole of the valve flap and a top end vertically slidably inserted into a downward bottom hole in the cup-shaped holder of the cup-like casing mounting base, a valve element fixedly mounted around the axle in the middle and moved with it to open/close the center hole of the valve flap, and a stem fixedly connected to the bottom end of the axle and moved by the actuating rod to lift the valve flap from the upright tube of the casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.