Patent ID: 7183510

Claim:
A switching device, comprising: a switch; a case within which the switch is accommodated; a hollow cylinder which is provided on an upper surface of the case and open to above and below to communicate with the inside of the case; an operation knob provided to cover an upper opening of the cylinder such that the operation knob can swing; and an operation bar which extends through a lower opening of the cylinder into the case to transmit the motion of the operation knob to the switch, wherein: a projection for preventing water from entering through a space between the operation knob and the cylinder into the case is provided on the upper surface of the case in a vicinity of the cylinder; and a lower end of the operation knob is opposed to an upper end of the projection with a small clearance interposed therebetween when the operation knob is not shifted, and the lower end of the operation knob moves away from the upper end of the projection when the operation knob is shifted.