Patent ID: 8807150
Filing Date: 2014-08-19
Classification: A47L

Abstract:
1. A dishwasher spray arm assembly, comprising: a conduit; a spray arm rotationally configured on said conduit, said spray arm further comprising a lower spray arm component mated with an upper spray arm component with an internal space defined between said upper and lower spray arm components; a bearing interposed between said spray arm and said conduit to conduct water from said conduit into said internal space, said spray arm rotatably configured on said bearing; said bearing further comprising a lower shaft section that mates with said conduit and an upper disc section sandwiched between said upper and lower spray arm components; a low-friction washer disposed between said upper disc section and said lower spray arm component; and said lower spray arm component and said disc section defining a tortuous interference path for water to leak out from said internal space around said bearing.