Patent ID: 6155031
Filing Date: 2000-12-05
Classification: B43M,B65H

Abstract:
An envelope inserting machine comprising:a supporting structure on which envelopes are made to advance, at least one insert being configured to be inserted into each of the envelopes;an envelope feeder configured to feed the envelopes towards a conveyor belt which carries the envelopes;at least one insert loader configured to supply the at least one insert to the conveyor belt;opening elements configured to open the envelopes on the conveyor belt;an insertion device which is configured to insert the at least one insert into each of the envelopes on the conveyor belt, said insertion device including suction elements as additional opening elements of said envelope, said suction elements being controlled by an oscillating lever engaged with an annular cam through an elastic element, said suction elements being driven by a four-bar linkage placed between said oscillating lever and said suction elements;translation elements configured to move said insertion device back and forth in a direction parallel to said conveyor belt synchronizing with a forward movement of the envelopes on the conveyor belt; anda deviation device provided to carry the at least one insert from the conveyor belt towards the insertion device before the envelope feeder, the deviation device including a pushing device provided at one end of said deviation device in order to carry the at least one insert to said insertion device.