Self-erecting device with debris collecting feature
US6938366B2 · kind B2 · utility
2Cited by
20References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2003 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | Dec 9, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65F2230/136
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A self-erecting device which can serve as a signaling unit as well as a debris collection unit. The signaling unit provides a chamber for debris and has an opening for the collection of debris therein. A base member has a beveled edge to facilitate the collection of debris into the chamber. The self-erecting and debris collection device is simple in construction and easy to operate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.