Lawn edger apparatus
US4979573A · kind A · utility
Inventor
Key dates
| Filing date | Feb 7, 1989 |
| Grant date | Dec 25, 1990 |
| Priority date | — |
| Expiry date | Feb 7, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G3/062
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
This invention relates to a heavy duty commercial lawn edger apparatus utilized to achieve a new and novel contoured edge cut between adjacent portions of a grass area and a concrete or curb area. The lawn edger apparatus includes a main support base assembly directed by a main handle and control assembly and having a main power assembly mounted thereon. The main power assembly is connectable through a belt and pulley drive assembly to selectively drive a main edging and cleaner assembly. The main edging and cleaner assembly includes a heavy duty blade assembly; a main brush assembly mounted adjacent the main blade assembly for surface cleansing purposes; and an adaptor cutter assembly releasably connected to the main blade assembly to achieve unique shapes in the contoured edge cut. The main blade assembly includes a thick main blade member having spaced cut out sections to achieve a novel cutting feature of this invention. The adaptor cutter assembly includes various embodiments of a contour cutter assembly to achieve a right angular or contoured shape in the contoured edge cut and to sever the grass adjacent thereto. The main support base assembly includes a front guide wheel as…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.