Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Reexamination Certificate
1999-01-22
2001-03-06
Luebke, Renee (Department: 2833)
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
C016S441000, C074S553000, C200S0110TW, C200S050340
Reexamination Certificate
active
06198055
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a manually operable electrical switch, and particularly relates to a switch mounted on a vehicle instrument panel.
BACKGROUND OF THE INVENTION
A vehicle instrument panel is equipped with a plurality of electrical switches that are operable manually. For example, a headlight switch may have a rotary knob for turning the headlights on and off. A switch for the interior lights may have a thumb wheel for dimming or brightening the interior lights.
SUMMARY OF THE INVENTION
In accordance with the present invention, a manually movable switch selector comprises a rotary knob and a thumb wheel. The rotary knob is configured for rotation about a first axis. The thumb wheel is supported on the rotary knob for rotation relative to the rotary knob about a second axis perpendicular to the first axis.
REFERENCES:
patent: 2727406 (1955-12-01), Opocensky
patent: 4520240 (1985-05-01), Swindler
patent: 5128503 (1992-07-01), Frantz
patent: 5180050 (1993-01-01), Rada et al.
patent: 5204502 (1993-04-01), Ferris et al.
Luebke Renee
Tarolli, Sundheim, Covell Tummino & Szabo L.L.P.
TRW Inc.
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