Plug aerator
US6675905B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2001 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Mar 24, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B73/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for core extracting plug aerator comprises a main frame, a draw bar coupled to the main frame and configured to couple a motorized device to the main frame, and pivoting side supports coupled to the main frame, wherein the side supports pivot between and are secured in a moving position and an aerating position. The plug aerator further comprises rotating wheels coupled to the side supports and a longitudinal support system coupled to the main frame, the longitudinal support system comprises a plugger system comprising articulating tines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.