Linkage apparatus having a mechanism for dampening vibrations
US4867607A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1987 |
| Grant date | Sep 19, 1989 |
| Priority date | — |
| Expiry date | Jun 11, 2007 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F5/14
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Linkage apparatus for connecting a use device, preferably a vibrating cable plow, to a ground-engaging vehicle. The linkage apparatus comprises a first arm member having a first mechanism for connecting the first end to the vehicle, a second arm member having a second mechanism for connecting the second end to the use device, a third mechanism for pivotally connecting the first and second arm members, and a mechanism for dampening vibrations between the first and second arm members perferably including resilient members such as air cushion bags.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.