Electrical switch having selective coding capability
US4464550A · kind A · utility
4Cited by
8References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 2, 1983 |
| Grant date | Aug 7, 1984 |
| Priority date | — |
| Expiry date | May 2, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H27/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical switch for use as a coding device comprises a plurality of pairs of associated contacts (2, 3) carried in a circular array by a base (1) and enclosed by a cover (5), and a coding key (11) receivable in holes (20, 21) in the base (1) and cover (5) and having removable actuator surfaces (32) the presence or absence of each of which determines the closed or open state of an associated pair of contacts (2, 3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.