An oscillating stack receiving table carries thereon a pair of cooperating chain driven ejector assemblies which function in their "at rest" position as gates to stabilize the stack of articles during rotation of the table and which are operable to sweep across the table when the latter is "at rest"...http://www.google.es/patents/US4068567?utm_source=gb-gplus-sharePatente US4068567 - Combined ejector-gate means for rotatable table of an article counter-stacker
Combined ejector-gate means for rotatable table of an article counter-stacker
