Multi-position selector switch assemby means
US4701578A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1986 |
| Grant date | Oct 20, 1987 |
| Priority date | — |
| Expiry date | Aug 7, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H11/0006
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Four different versions of multi-position selector switches can be assembled from a kit of parts by selecting various combinations of the parts and assembling them into a housing consisting of an insulating case and cover. Inventory of parts is reduced by mutual use of some parts in two or more versions. The possible selector switch versions are a three position selector switch having three momentary pushbuttons for selectively closing two normally open contacts and opening a normally closed contact a two-position slector switch having two momentary pushbuttons for selectably closing a normally open contact or opening a normally closed contact, a three-position selector switch having three maintainable pushbuttons for selectively closing two normally open contacts and opening the same, and a three-position selector switch having three pushbuttons including a momentary pushbutton and two maintainable pushbuttons for selectively closing two normally open contacts and for opening the maintained contact. The third and fourth versions described above which have maintainable pushbuttons comprise one or two sliding interlock members having cam surfaces cooperating with respective pushbutt…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.