Automatic self-filling bird feeder
US5749316A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 21, 1997 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Jan 21, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K39/014
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The automatic self-filling bird feeder comprises: a container for receiving bird seed, an electrically powered blower mounted in the container and having an air outlet for supplying pressurized air to the interior of the container; a seed filling opening in the container for supplying seed to the container; a cover for the seed filling opening; a tube assembly extending from the container; an enclosed bird feeder housing mounted to the outer end of the tube assembly; circuitry for sensing the level of seed in the seed container; and circuitry responsive to the level of seed sensed in the bird feeder housing for controlling the operation of the electrically powered blower.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.