Patent ID: 7383944

Claim:
In a conveyor assembly having a continuous conveyor belt driven between a pair of spaced side frame members by a center drive assembly having a pair of spaced side plates connected to the side frame members, a drive roller arrangement engageable with the conveyor belt and driven by a drive motor arrangement mounted on the conveyor assembly and coupled to the drive roller arrangement to move the conveyor belt, a freely rotatable guide roller arrangement mounted between the side plates and engageable with the conveyor belt and guard structure attached to the side plates for protecting the conveyor belt, the improvement wherein: the guide roller arrangement is slidably mounted between the side frame members and the side plates between an operating position in which the conveyor belt passes around the guide roller arrangement before engaging the drive roller arrangement, and a cleaning position in which the guide roller arrangement and the guard structure are slidably removable away and quickly detachable from the side frame members and the side plates and out of engagement with the conveyor belt, and the guard structure surrounds and normally prevents access to the drive roller arrangement, the guide roller arrangement and the conveyor belt, and includes a tracking adjusting arrangement engageable with the guide roller arrangement.