Slide rheostat
US4404540A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1982 |
| Grant date | Sep 13, 1983 |
| Priority date | — |
| Expiry date | Apr 12, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C10/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A slide rheostat wherein a movable insulating plate and a leaf spring which are centrally provided with holes for receiving a lever of a slide piece receiver are made unitary by mounting a flat portion of the leaf spring on the movable insulating plate by outsert molding, the unitary movable insulating plate and leaf spring have the lever inserted therethrough. Resilient protuberant pieces are disposed at the four corners of the flat portion of the leaf spring and held in resilient contact with the upper surface of the slide piece receiver, and the movable insulating plate is held in resilient contact with the upper rear surface of a case through the action of the leaf spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.