Patent ID: 6963039

Claim:
A button knob waterproofing design, comprising: a button cap having at least one button stem extended downwards; a button seat having a top surface and a bottom surface, the top surface having an indented housing trough for holding the button cap, the housing trough having at least one aperture on the bottom mating the button stem to allow the button stem to pass through and extend downwards to form a tight coupling with the button cap and the button seat; a base board for holding the bottom surface of the button seat having at least one switch mating the button stem to receive depression of the button stem; and a case for encasing the base board having a button port to expose the button cap to receive the depression; wherein the top surface of the button seat is in contact with an inner wall surface of the case closely, the housing trough having an opening directing upwards corresponding to the button port to expose the button cap.