School bus stop arm and drive unit therefor
US11820283B2 · kind B2 · utility
2Cited by
43References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2022 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Nov 21, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q2400/50
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A school bus stop arm and drive unit therefor are disclosed. The stop arm includes a stop sign and a drive unit for moving the stop sign between a retracted position and a deployed position. In some embodiments the stop sign is illuminated. In some embodiments the drive unit includes a controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.