Spreader with removable material transportation mechanism
US10195976B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2018 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Mar 28, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C2019/2075
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A spreader assembly may include a hopper configured for receiving a spreadable material, a removable cartridge configured for sliding engagement with the hopper and having a material transportation mechanism configured for receiving the spreadable material from the hopper, and a spreader configured for receiving the spreadable material from the material transportation mechanism and spreading the spreadable material onto a target surface. One of the hopper and the cartridge may include a roller having a roller surface, and the other of the hopper and the cartridge may include a bearing surface configured for rolling engagement with the roller surface. The cartridge may have one or more pull bars to facilitate removal of the cartridge from the hopper. Related methods are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.