Water shut-off structure
US11236883B2 · kind B2 · utility
0Cited by
9References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2020 |
| Grant date | Feb 1, 2022 |
| Priority date | — |
| Expiry date | Dec 22, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2103/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A water shut-off structure includes a member and a holder that holds the member. The holder includes an insertion hole through which the member is inserted. The member includes a flange larger in outer geometry than the insertion hole and a shaft portion connected to the flange and inserted through the insertion hole. The holder includes a flange receiving portion that receives the flange. The flange receiving portion includes an annular rib in a shape surrounding the entire circumference of the insertion hole and projecting toward the flange.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.