An ejector unit for machines for handling signatures and similar flat articles comprises a first rotary body defining the output end of a conveyor on which a substantially continuous flow of articles to be handled is fed, a stop member selectively orientable between a rest position and an operating position...http://www.google.es/patents/US4669720?utm_source=gb-gplus-sharePatente US4669720 - Ejector unit for machines for handling signatures and similar articles, particularly for signature-stacking machines
Ejector unit for machines for handling signatures and similar articles ...
