Gasket for electrical junction box of railcar and electrical junction box of railcar
US9583925B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2015 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Dec 7, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A gasket for an electrical junction box of a railcar is fitted in a groove portion formed on a contact surface of a side wall portion or a contact surface of a cover in the electrical junction box including: a box main body having the side wall portion defining an opening communicating with an outer space; and the cover closing the opening. Further, the gasket for the electrical junction box of the railcar includes: small width portions, a width of each of the small width portions being smaller than a width of the groove portion; and large width portions each having projections projecting toward both respective sides of the small width portion in a width direction and having a larger width than the width of the small width portions. The small width portions and the large width portions are alternately provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.