Cutting tooth for trencher chain
US6854201B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Oct 30, 2003 |
| Grant date | Feb 15, 2005 |
| Priority date | — |
| Expiry date | Oct 30, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/2808
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cutting tooth used on an endless chain-trenching machine to fracture and excavate the ground. The tooth includes a mounting portion for attachment to the chain and a cutting portion having a straight cutting edge at the leading end of the tooth positioned normal to the direction movement of the chain. The cutting portion is aligned from the mounting at an acute angle to the plane of the mounting portion and including convex surfaces on both sides of the cutting portion and a juncture line between the mounting portion and the cutting portion forms an acute angle with the direction movement of the chain whereby the cuttings produced by the tooth are lifted away by the chain as the chain is digging.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.