Edger with improved blade cover assembly
US5165485A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1991 |
| Grant date | Nov 24, 1992 |
| Priority date | — |
| Expiry date | Sep 27, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20624
- 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 resin cover fastened to a circular flange on the rotary-blade supporting shaft for covering a portion of the rotary blade. A structure for fitting the rotary blade cover includes a thin metal plate having an outer diameter larger than the flange, and fastening members for clamping the inner portion of the cover between the flange and the thin metal plate. Bolt assemblies are provided for fastening the thin metal plate and the cover together at a position outside the flange.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.