Tractive solenoid device
US4320371A · kind A · utility
5Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1980 |
| Grant date | Mar 16, 1982 |
| Priority date | — |
| Expiry date | Jul 14, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F7/1607
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A high efficiency bistable tractive solenoid device includes a magnetic housing having an interior cylindrical wall supporting stacked electromagnetic parts including a pair of coils and plural end pole pieces having inner diameters which are concentrically arranged to define a center bore. A double-acting plunger has an armature which is received by the center bore and is terminated by shaft ends having reduced diameters and being journalled for sliding movement in end plates also assembled within the housing interior wall with one of the shaft ends carrying a cam having a detent for latching the plunger in place.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.