A direction indicator placed on one site of a sorting block indicates, for a given good, the direction towards a nominated slot through which the good is to be placed in the block. This arrangement makes it possible for the hauler to immediately put a good into a nominated slot without looking around...http://www.google.fr/patents/US6610954?utm_source=gb-gplus-shareBrevet US6610954 - System for sorting commercial articles and method therefor
System for sorting commercial articles and method therefor
