Mulcher with improved tooth design
US7578462B2 · kind B2 · utility
32Cited by
11References
33Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 28, 2007 |
| Grant date | Aug 25, 2009 |
| Priority date | — |
| Expiry date | Mar 28, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/2858
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A mulcher apparatus includes a tractor and a mulcher unit provided to the tractor. The mulcher unit includes a tooth assembly with a holder and a cutter element with a cooperating notch portion and cross bar arrangement. The notch portion can be retrofit to existing holder arrangements. The cutter element may include various features, to enhance cutting efficiency. For example, the cutter elements may include a double-ended structure, angle tab portions at each corner portion, carbide coatings, a pair of tip portions at each end with a space therebetween, and/or a generally H-shaped configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.