Horn switch
US4990727A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1989 |
| Grant date | Feb 5, 1991 |
| Priority date | — |
| Expiry date | Nov 17, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2203/1476
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to horn switches provided on steering wheels of automobiles, having a base plate in a pad portion, a horn contact protrusion extending through the upper surface of a housing disposed on the base plate and operating in correspondence with the movement of a horn button on a pad portion, a contact member of the horn contact protruding from the base plate, a biasing member disposed between the base plate and the horn contact to urge the horn contact to be spaced apart from the base plate and being electrically connected to the contact member, one electrode portion disposed on the base plate and being electrically connected to the biasing member and the other electrode disposed on the base plate at a lower position than the electrode portion described above electrically connectible to the contact member by pressing the horn contact with a horn button.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.