Shelf mount for vital plug-in relay
US4326693A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 17, 1979 |
| Grant date | Apr 27, 1982 |
| Priority date | — |
| Expiry date | Dec 17, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H50/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A holder molded of suitable elastomeric material cradles a plug-in relay in operating position, with access openings for calibration adjustments, visual inspection of contacts, and plug coupling of connecting leads. The holder is mounted to a mounting plate and/or the shelf by bolts inserted into cylindrical openings in the bottom of the holder and through a web or diaphragm molded as an integral part of the holder. A spacer tube placed over each bolt spaces the holder a selected distance above the mounting plate. Washer disks of the elastomeric material are placed on both sides of the diaphragm and a lock nut secured onto the bolt to fasten the holder in place. The diaphragms, disks, and spacers combine to provide vibration damping and shock isolation for the relay.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.