Fertilizer dispenser
US8191804B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Jul 29, 2005 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | May 7, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C15/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A motorized fertilizer dispenser includes a frustoconical housing having an open upper end in communication with a hollow interior. At a lower end is a dispersal opening. A rotatable sifting blade is positioned within the housing interior and adjacent the dispersal opening. A rotary disc having a plurality of radial blades positioned thereon is situated immediately beneath the dispersal opening. A motor operates both the sifting blade and dispersal disc whereby a desired amount of fertilizer is dropped onto the disc and projected outwardly to a target area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.