Patent attributes
Spray arm assemblies for dishwasher appliances are provided. A spray arm assembly includes a first spray arm. The first spray arm includes an arm member, the arm member defining an interior and a plurality of apertures in fluid communication with the interior. The arm member further extends along and is rotatable about a longitudinal axis. The spray arm assembly further includes a central housing defining and rotatable about a central axis, the central axis generally perpendicular to the longitudinal axis. In some embodiments, the spray arm assembly further includes a bevel drive assembly disposed within the central housing. The bevel drive assembly is configured to rotate the arm member about the longitudinal axis when the central housing rotates about the central axis. The bevel drive assembly includes a drive member, an axle member, and an idler member, the axle member mounted to the arm member.
