| 主权项 |
1. A dishwasher appliance, comprising:
a tub that defines a wash chamber for receipt of articles for washing; a spray arm assembly for directing a fluid flow into the wash chamber, the spray arm assembly comprising:
a plurality of spray arms, the plurality of spray arms comprising a first spray arm and a second spray arm;a conduit in fluid communication with the plurality of spray arms;an indexing assembly disposed between the conduit and the plurality of spray arms, the indexing assembly operable to selectively flow fluid to the first spray arm and the second spray arm, the indexing assembly comprising:
a disk rotatable about an axis and movable along an axial direction between a first position and a second position, the disk defining an aperture and a channel and comprising a plurality of cams projecting into the channel;a biasing element configured to urge the disk into the first position; anda boss assembly, the boss assembly comprising a boss extending into the channel of the disk, the boss defining a plurality of guide elements, wherein the guide elements and cams are configured to interact such that movement of the disk along the axial direction between the first position and the second position causes the disk to rotate about the axis. |
