Patent ID: 7441770
Filing Date: 2008-10-28
Classification: B65H

Abstract:
1. A conveyor apparatus (D) comprising a main conveyor ( 2 ) by which mail items are routed by being nipped between a transport belt ( 6 ) and a main belt ( 7 ), and a secondary conveyor ( 4 ) towards which the mail items are routed, after switching, along a secondary belt ( 8 ), said main and said secondary belts performing the main conveying and the secondary conveying functions being constituted by a single, common belt ( 9 ) that is twisted twice, wherein said twice-twisted belt ( 9 ) is engaged over a floating pulley (Pf) which has a rotary shaft ( 16 ) whose floating ends are connected to respective ones of two tensioner ends, other tensioner ends being connected to a base ( 18 ), and wherein said twice-twisted belt ( 9 ) is arranged between said base and said floating pulley (Pf), and wherein the tensioners are helical springs, each of which is mounted in a respective support tube.