Spreader with removable material transportation mechanism
US9931971B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2015 |
| Grant date | Apr 3, 2018 |
| Priority date | — |
| Expiry date | Jun 10, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C2019/2075
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.