Cutting assembly
US11268260B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 1, 2018 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Apr 14, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D17/13
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Provided is a cutting wheel assembly comprising: a frame having two spaced support pillars, each having an intermediate portion at an angle to upper and lower portions; a pair of outer cutting wheels arranged either side of an inner cutting wheel all supported on the lower portions of the support pillars about a common axis of rotation; each cutting wheel having a central hub portion about which an annular cutting portion is provided having a respective cutting diameter; the inner cutting wheel having a different cutting diameter to that of the outer cutting wheels, and the central hub portions of neighboring cutting wheels defining a respective gap in which the intermediate portion of a respective pillar is received; at least one of the annular cutting portions of the inner and/or the outer cutting wheels having one or more rim portion(s) that overlap each gap so the annular cutting portions provide a cutting action along a continuous line of cut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.