| 摘要 |
Discloses a feed conveyor and a main or receiving conveyor in the form of an endless belt trained over two or more sprockets and containing a series of openings or apertures through which articles on the conveyor are fed gravitationally onto an elevator. A fixed stop is located over the elevator so that articles, fed onto the conveyor, are selectively turned so as to form an open pattern in an accumulating zone on said conveyor and ultimately come into abutting relation with the stop. The open pattern is closed and is held in fixed position until one of said apertures comes into registry with the elevator below the fixed stop so that the layer or pattern of articles held in said position pass gravitationally through said aperture onto a pallet on said elevator platform. A unique control system involves the use of an auxilliary control conveyor driven in synchronism with the main conveyor and which contains actuating members in the form of cams judiciously placed so as to actuate control members, such as limit switches or pneumatic valves to perform specific functions at specific points on said conveyor.
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