Patent ID: 7900485

Claim:
A washing machine, comprising: a base formed at a bottom of the washing machine, the base having a plurality, of through holes formed therein; a plurality of legs threadably coupled in the plurality of through holes formed in the base, respectively, each of the plurality of legs including: a bolt that is threadably coupled to a respective through hole of the plurality of through holes formed in the base to allow for height adjustment of the corresponding leg with respect to the base; and an over-unscrewed prevention member fixed to the bolt and movably positioned within the through hole, wherein the over-unscrewed prevention member limits an amount of rotation of the bolt and a corresponding height of the leg with respect to the base; and a base bracket installed at a bottom surface of the base, wherein the over-unscrewed prevention member is configured to engage the base bracket when a position of the bolt in the through hole corresponds to a maximum height of the leg so as to limit further rotation of the bolt threadably engaged in the through hole.