Dual switch actuator mechanism with Geneva drive plate and follower plates detent assembly
US5272291A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 30, 1991 |
| Grant date | Dec 21, 1993 |
| Priority date | — |
| Expiry date | Dec 30, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/1441
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dual switch actuator for coordinated actuation of two high-current switches, each having a switch operator with a shaft. The switch operator shafts are aligned paraxially with a main shaft of the actuator. A Geneva drive plate having an arcuate bearing surface and two drive pins is affixed to the main shaft. A modified Geneva follower plate is affixed to each of the switch operator shafts. Each follower plate has a drive slot for receiving a drive pin and a bearing surface complementary to the drive plate bearing surface. In a neutral position of the main shaft, each drive pin is positioned at a follower plate drive slot entrance and both follower plates bearing surfaces engage the main drive plate bearing surface. Rotation of the main shaft in either direction from neutral causes one guide pin to move inwardly of the follower plate drive slot, rotating the follower plate and its associated switch operator shaft to actuate one switch without actuation of the other. A detent prevents rotation of the main shaft in either direction from neutral to engage one of the follower plates and rotate it and its associated switch operator shaft to move its switch contacts to a closed position…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.