Patent ID: 9650736
Date: 2017-05-16
CPC Classifications: D06F,Y10T

Claim:
1. A balancer mounted to a drum of a washing machine to offset unbalanced load generated in the drum during rotation of the drum, the balancer comprising: a balancer housing coupled to the drum, the balancer housing having an annular channel defined therein; at least one mass movably disposed in the channel; at least one groove formed on an inner surface of the balancer housing and accommodating the at least one mass so as to restrict the mass moving along the channel; at least one magnet to restrain movement of the mass accommodated in the at least one groove along the channel when rotational speed of the drum is within a predetermined range; and a magnet fixing rib formed at a rear surface of the balancer housing opposite to a front surface of the drum toward a rear of the balancer housing to fix the magnet, wherein the magnet fixing rib comprises