Ripping apparatus
US4152991A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1977 |
| Grant date | May 8, 1979 |
| Priority date | — |
| Expiry date | Jun 27, 1997 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01B2203/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A ripping apparatus includes a housing having a bearing assembly therein which is connected to a support member of a vehicle, a ripper mechanism having a shaft member pivotally mounted in the bearing assembly, a lever arm connected to the shaft member, a material ripping element connected to the bottom of the shaft member, and a fluid operated linear actuator connected to the support member and to the lever arm for rotating the ripping element between a retracted position and a transversely disposed working position. The ripping apparatus is particularly adapted to shatter a compacted railroad bed underneath the rail and supporting ties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.