Switch device and method of assembling switch device

A switch device comprising:

• a switch body;
• a plurality of operation knobs, arranged side by side, adapted to be pushed into the switch body for operating switches;
• a coupling portion provided integrally with the plurality of operation knobs so as to couple the plurality of operation knobs with each other, the coupling portion allows for varying of a lateral spacing between the adjacent operation knobs;
• a plurality of positioning guide portions provided at positions of the coupling portion which correspond to each of the plurality of operation knobs;
• and
• a plurality of positioning portions provided at positions of the switch body which correspond to each of the positioning guide portions for retaining the corresponding positioning guide portions,
• wherein the coupling portion is compressed when the plurality of positioning portions retain the corresponding positioning guide portions and the positioning guide portions include a cylindrical portion adapted to insert the positioning portions therein.