Dual rotor spreader system
US11490561B2 · kind B2 · utility
0Cited by
32References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2018 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Oct 7, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B1/18
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A spreader for broadcasting granular or particulate material over a surface includes a dual rotor configuration, a material deflection system, and a portable electronic device holder. The material deflection system includes components for deflecting material broadcasted by each of the rotors. The spreader includes a walking speed indicator to inform the user whether the current speed is too fast, too slow, or within an acceptable reference range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.