Patent ID: 6091033
Filing Date: 2000-07-18
Classification: B60Q,H01H

Abstract:
A vehicle-mounted knob switch device comprising a stalk provided near a steering column, a holder fixed to a fore end of said stalk, a cover fixed to said fore end of said stalk and positioned at a rear end of said holder, a top cover attached to a fore end of said holder, a plurality of independently rotatable control knobs directly coupled and rotatably positioned between said cover and said top cover, said rotatable control knobs being arranged adjacently near an outer peripheral side of said holder, a plurality of functional parts arranged in said holder that correspond to said rotatable control knobs, a plurality of cam members having abutting surfaces near inner peripheral sides of said rotatable control knobs and near said outer peripheral side of said holder, each of said cam members being rotatable with at least one of said rotatable control knobs wherein said rotation actuates a number of said functional parts, two of said cam members positioned near a proximal and a distal end of said switch are resiliently biased by spring means that urge said cam members toward a central position, said spring means produce a resistance that impede the rotation of said cam members positioned near said proximal and said distal ends, and wherein said resistance is greater than a frictional resistance generated by two of said rotatable control knobs that are directly adjacent.