| 摘要 |
This invention relates to rotary knob 1, in particular for a control panel for a ventilation, heating and/or air conditioning installation, comprising a gripping area 2, and an activation area 9, characterized in that it has at least two shoulders 5, 6, each shoulder comprising at least one indexing means 7 for blocking the said knob in rotation, the shoulders 5, 6 supporting a different number of indexing means 7. It is applicable to ventilation, heating and/or air conditioning installations inside a motor vehicle.
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