Patent ID: 7252526
Filing Date: 2007-08-07
Classification: G05G,H04B,Y10T

Abstract:
1. A waterproof construction of a rotary dial comprising a dial body, a knob member provided at the back of the dial body and comprising a portion provided centrally thereof to be connected to a rotating shaft of an electric part and a portion provided in a rear region thereof to be mounted to a back side of a hole of an escutcheon, and a seal ring held between the knob member and the dial body and having an outer edge thereof brought into contact with an opened edge of the hole of the escutcheon, and wherein a ring-shaped waterproof film is interposed between the seal ring and the dial body and having an outer end thereof extending radially beyond a position, in which the seal ring and the opened edge of the hole of the escutcheon contact with each other.