Cover device
US10995468B2 · kind B2 · utility
1Cited by
17References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 21, 2018 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | Oct 3, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D29/1445
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cover device includes a cover plate having a body portion with inner and outer surfaces. A deployable retainer mechanism is positioned on the inner surface of the cover plate and includes a plurality of engagement features operable between retracted and deployed positions. An adjustment mechanism interconnects the deployable retainer mechanism and the cover plate, wherein the adjustment mechanism includes a portion thereof that is accessible from the outer surface of the cover plate for moving the plurality of engagement features between the retracted and deployed positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.