B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
141/23
B08B 3/02 (2006.01) A47L 15/23 (2006.01)
Patent
CA 1240239
SPRAY ARM BEARING ASSEMBLY ABSTRACT OF THE DISCLOSURE A dish washing machine including a tub for receiving articles to be washed and a spray arm rotatably arranged in the tub for spraying liquid on to articles. The dishwashing machine includes a stationary tubular liquid receiving hub arranged in the bottom of the tub defining a pressurized liquid inlet. The hub has at its upper end a circumferential flange which is inwardly directed with a terminal end bearing surface. The bottom end of the hub has a centrally located fastener receiving member spaced inwardly from the hub side wall by spaced apart struts thereby leaving passageways for liquid to pass through the hub. A tubular spray arm liquid receiving support member is mounted on the hub for rotation about a vertical axis relative to the hub when liquid is received through the support member and hub. The tubular support member has an upper portion received inside the hub member and adjacent the terminal end bearing surface of the hub flange and a centrally located portion at the bottom spaced from the tubular support member side wall by spaced apart struts thereby providing passageways for liquid to pass through the support member, said centrally located portion being in axial alignment with the fastener receiving member of the hub. There is a split ring seal located between the upper portion of the support member and the hub and also a thrust bearing assembly attaching the support member to the hub including a headed fastener through the centrally located portion at the bottom of the support member and secured to the fastener receiving member of the hub and a thrust washer arranged to allow the support member to rotate relative to the hub.
448745
Cushing Donald S.
Hoffman Roger L.
Company General Electric
Eckersley Raymond A.
LandOfFree
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