Bird propelled rotating hummingbird feeder
US10506799B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Feb 7, 2018 |
| Grant date | Dec 17, 2019 |
| Priority date | — |
| Expiry date | Aug 26, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K39/0206
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A bird propelled rotating hummingbird feeder. A pivot housing includes a central axis and a central hole. A plurality of fins is configured as dual opposing fin sets, where each fin is angled at an oblique angle with respect to a plane passing perpendicularly through the central axis and each fin set comprises at least three angled fins attached to the pivot housing so as to be symmetrically located opposite the other dual opposing fin set with the pivot housing centered between the dual opposing fin sets. A feeder jar housing integrated into each of the dual opposing fin sets central fin. A pivot cable is inserted through the central hole and a bearing element it is attached to a bottom end of the pivot cable within the pivot housing. A hanger is attached to a top end of the pivot cable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.