Edger
US5437334A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1991 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | Sep 27, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D2034/6843
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An edger having a main frame, at least one front wheel fastened in the front portion of the main frame, two rear wheels fastened in the rear portion of the main frame, a rotary blade disposed in the front portion of either side of the main frame and capable of conducting edging, an engine mounted on the main frame and a driving device for operating the rotary blade with the engine, the edger comprising: a supporting arm for supporting the rear wheel positioned opposite to the rotary blade in such a manner that the position of the rear wheel positioned opposite to the rotary blade can be vertically adjusted with respect to the main frame; and a positioning mechanism for positioning the vertical position of the rear wheel disposed between the main frame and the supporting arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.