Turf aerators and assemblies for same
US11272652B2 · kind B2 · utility
2Cited by
25References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2019 |
| Grant date | Mar 15, 2022 |
| Priority date | — |
| Expiry date | Oct 15, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B45/023
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A turf aerator includes a tine assembly and an input mechanism. The tine assembly includes multiple tines, a retractor plate for positioning the plurality of tines, and a linkage for selectively moving the retractor plate and the plurality of tines between an operating position and a retracted position. The input mechanism coupled to the linkage, the input mechanism operable to activate the linkage to move the retractor plate and the plurality of tines between the operating position and the retracted position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.