Insulating barrier system for switchgear
US4791530A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 1, 1987 |
| Grant date | Dec 13, 1988 |
| Priority date | — |
| Expiry date | Sep 1, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02B11/24
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A barrier system is provided for electrical switchgear having an enclosure and one or more access openings. The barrier system comprises a plurality of barriers, each of which is a generally planar member. The barrier system further includes manually operable provisions for releasably securing each barrier in respective predetermined positions, and a guide and support member carried by the enclosure and engaged by the lower edge of the rear portion of each barrier during insertion and also when the barriers are in a predetermined inserted operating position. The guide and support member directs the barrier into the appropriate position when the barrier is within a predetermined range of position with respect to the guide and support member. In a specific embodiment, the manually operable provisions include a fastening device which is retained by the barrier and a cooperating receptacle retained by the enclosure. The fastening device is preferably is a fractional-turn wing-head stud. Additionally, the guide and support member in a specific embodiment includes a tapered guide surface narrowing to a receiving slot for each of the removable barriers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.