Ripper assembly for tractor drawn scraper
US4015348A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1975 |
| Grant date | Apr 5, 1977 |
| Priority date | — |
| Expiry date | Sep 30, 1995 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/658
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention is concerned with an improvement in a tractor drawn scraper wherein the scraper has a bowl with a back, a bottom, two sides and a forward cutting edge and a spreader forward of the cutting edge and supported by forward extensions of the bowl sides. A tractor is provided forward of the spreader for pulling the scraper and means are provided for raising and lowering the forward end of the scraper relative to the tractor. The improved ripper assembly of the present invention comprises a beam suspended generally vertically downwardly from the spreader and forwardly from the bowl, the beam having a plurality of ripper sockets extending laterally from it. Held within the ripper sockets are a plurality of ripper shanks. A plurality of ripper teeth are generally provided proceeding from the ripper shanks. Means are provided for adjusting the vertical separation between the beam and the spreader.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.