Printed circuit switch for windshield wiper motor
US4609794A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 30, 1985 |
| Grant date | Sep 2, 1986 |
| Priority date | — |
| Expiry date | Aug 30, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H19/62
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switch includes three blade contact terminals against which is biased a rotating printed circuit board. The printed circuit board is rotationally moveable with respect to the blade contacts and has conductive elements on a first side of the printed circuit board for selectively contacting the switching contacts in response to the relative rotation between the switching contacts and the printed circuit board. The conductor elements include a tab for extending around the edge of the printed circuit board to a second side of the printed circuit board so as to provide electrically connected regions on both first and second sides of the printed circuit board. An electrically conducting resilient contact abuts the second side of the printed circuit board and biases the printed circuit board against the switching contacts. The tab and resilient contact can be coupled to a ground potential.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.