Steering column switch

Details Steering column switch Steering column switch

1987-11-04

1988-12-13

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Turn indicator type switches

200 6154, H01H 316

Patent

active

047912537

ABSTRACT:
This invention relates to an electric switch, especially to a steering column switch. The switch comprises an insulation plate, a switch lever and a switching member, which are jointly swivellably mounted on the insulation plate in a swivelling plane extending perpendicular to a swivelling shaft and which are tiltable from this plane. In the swivelling plane, the lever and switching member can occupy several operating positions. The various operating positions are defined by a locking cam and a detent. One of these two elements is positioned on a locking lever. One end of said locking lever is swivellably mounted about a shaft parallel to the swivelling shaft of the switching member and the locking member is resiliently prestressed against the switching member. In order to prevent the switch lever and the switching member from shaking in the rest condition and to provide a smooth movement of the switch lever and switching member in a changeover between the operating positions, the switching member is guided in the swivelling plane by the switch lever. Thus, the guide can be maintained without an additional space requirement. Due to the guide, the switching member does not strike any other piece parts of the switch so that underside noise is also reduced.

REFERENCES:
patent: 3892932 (1975-07-01), Erdelitsch et al.
patent: 4142076 (1979-02-01), Bird
patent: 4327264 (1982-04-01), Botz et al.
patent: 4336428 (1982-06-01), Berginski
patent: 4414442 (1983-11-01), Berginski et al.
patent: 4423297 (1983-12-01), Berginski

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