The sheet insertion device is a chain driven live roller conveyor that includes an internal cavity for housing a bottom sheet to be inserted under a load as the load passes over. The conveyor itself is a standard chain driven live roller conveyor with 2-1/2″ diameter rollers on 3″ centers. The conveyor is driven by a 3/4 Hp gearmotor mounted beneath the load carrying rollers.
The sheet insertion mechanism consists of a cavity beneath the roller bed that can hold one or more bottom sheets for application to a single load. The bottom sheet is inserted into the cavity, by the operator, through a void in the roller conveyor surface. The sheet, once in the cavity is held in place by the friction between the sheet and the cavity and adjacent roller surfaces. As the conveyor drives the load forward over the exposed edge of the sheet, the sheet is extracted from the cavity by the friction between the load and the sheet.