Pushbutton tuner having tapering portion pivotal pins
US4254389A · kind A · utility
Inventors
Key dates
| Filing date | Jul 18, 1979 |
| Grant date | Mar 3, 1981 |
| Priority date | — |
| Expiry date | Jul 18, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03J5/12
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A pushbutton tuner wherein a plurality of tilting actuating links are provided for a slide member for causing cores to move in-and-out of coils and the actuating links are adapted to engage setting pins of frequency regulating members respectively, which are provided on button slides actuatable by push buttons, respectively to effect a selection operation, which tuner is characterized in that a pivotal pin fitted in a hole formed in each of the frequency regulating members has a tapering portion and each of the setting pins also has a tapering portion at a portion where the setting pin engages the actuating link associated therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.