Universal intermittent windshield wiper circuit
US4286200A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 8, 1979 |
| Grant date | Aug 25, 1981 |
| Priority date | — |
| Expiry date | Jun 8, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60S1/0807
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A universal intermittent windshield wiper circuit adaptable to the windshield wiper mechanism of automotive vehicles is disclosed herein. The intermittent wiper circuit comprises an R-C timer circuit periodically energizing a three pole double throw relay. The internal interconnections of the relay switch contacts permit the intermittent windshield wiper circuit to be connected to the wiper mechanism of almost all domestically manufactured automotive vehicle as well as many vehicles manufactured overseas using only external connections. The circuit is equally adaptable to external and concealed wiper mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.