Patent ID: 7874186

Claim:
A washing machine having an abnormal vibration sensing apparatus, comprising: a cabinet having a receiving space therein; a tub received and installed in the cabinet; and an abnormal vibration sensing apparatus, wherein the abnormal vibration sensing apparatus includes: a limiter having at least one opened side to form a receiving space and being integrally coupled to a lower area of the tub such that the limiter moves in direct correlation with the tub; a sensing rod including a plate-like portion and a rod portion having a first end connected to the plate-like portion and the rod portion extends in a longitudinal direction outwards through the opened side of the limiter to a second end, and the plate-like portion is provided in the limiter and is disposed to be separated from an inner wall of the limiter, and the limiter to move in direct correlation with the tub and the limiter to move relative to the sensing rod; and a contact sensing unit, coupled to the second end of the rod portion, to sense whether the limiter and the plate-like portion contact each other.