Patent ID: 8021036

Claim:
A device for mixing yeast-raised and yeast-raised type dough comprising: a bowl with an exterior bowl surface; a bowl jacket surrounding at least a portion of the exterior bowl surface; a V-shaped channel for carrying coolant disposed between the exterior bowl surface and the bowl jacket; and an agitator attached to an agitator driveshaft for mixing dough ingredients, the agitator including first and second spiders mounted to the agitator driveshaft and a roller bar mounted between the first and second spiders, the agitator driveshaft having a shaft entry passageway and shaft exit passageway and further defining a driveshaft axis about which the agitator driveshaft rotates the agitator, the first spider including a spider arm entry passageway connected to the shaft entry passageway, the second spider including a spider arm exit passageway connected to the shaft exit passageway, and the roller bar including a roller bar passageway between the spider arm entry passageway and the spider arm exit passageway, the roller bar being mounted for rotation about a roller axis parallel to the driveshaft axis.