Closable and flow rate adjusting pushbutton for a hand-held fluid spray or dispenser device
US5261574A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1992 |
| Grant date | Nov 16, 1993 |
| Priority date | — |
| Expiry date | Feb 12, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B1/3006
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A pushbutton for actuating a device for dispensing or spraying a fluid substance includes a hollow body 1 having an outlet end 2 in which an outlet orifice 3 is formed, the outlet end including an inside surface 2a which is not perpendicular to the axis 1a of the body. An adjustment member 10 is rotatably received in the body of the pushbutton, and includes a shutter 19 provided with a front surface 19a that is complementary in shape to the inside surface of the outlet end. The shutter is urged towards the outlet end by a resilient tongue 18. The rotation of the adjustment member and shutter varies the outlet flow rate from the pushbutton.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.