US Patent 9433315 Self-cleaning drain for food preparation apparatus

A drain system for a food preparation machine includes a preparation area drain tray; a rinsing station including a water source; a water collection tray disposed below the rinsing station so as to collect water supplied from the water source; and, a passage from the rinsing station to the preparation area drain tray directing water to flush the preparation area drain tray with water supplied from the water source.