Movable wiper for potentiometers
US4237443A · kind A · utility
5Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 20, 1979 |
| Grant date | Dec 2, 1980 |
| Priority date | — |
| Expiry date | Jun 20, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C1/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A wiper for a potentiometer or other device having a surface with which sliding electrical contact is to be made in which the wiper includes a plurality of spring fingers formed from resilient sheet material or wire are supported in cantilever fashion from ends thereof remote from the contact ends and are encased over a portion of the lengths thereof from the supported ends in a covering of an elastomer which damps vibration of the fingers to prevent resonant oscillations thereof thus increasing the possible speed of operation of the instrument as well as its useful life.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.