Screed extension for a main screed frame of a paving machine
US10844556B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2019 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Mar 21, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C2301/16
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A screed extension for a main screed frame of a paving machine includes an upper frame and a lower frame disposed below the upper frame. A height adjustment system is disposed between, and coupled to, the upper and lower frames. The height adjustment system is configured to moveably couple the lower frame to the upper frame. The height adjustment system includes an upper mounting plate affixed to the upper frame, and a lower mounting plate affixed to the lower frame. The height adjustment system also includes a first tube that is located between and coupled to the upper and lower mounting plates such that a first end of the first tube is configured to establish an interference fit with the upper mounting plate and a second end of the first tube is configured to establish an interference fit with the lower mounting plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.