Roller apparatus for a cover and method of use thereof
US12351426B2 · kind B2 · utility
0Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2020 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Jan 11, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H5/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roller apparatus (102) is provided including roller means (104), drive means (110) for driving rotation of the roller means in use, and an electrical power source for providing electrical power to the drive means in use. The electrical power source is provided by one or more batteries (112) located internally of the roller means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.