Hopper loader for feeding vertical signatures to bindery...

B - Operations – Transporting – 65 – H

Patent

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Details

B65H 29/18 (2006.01) B65H 1/02 (2006.01) B65H 3/04 (2006.01) B65H 3/06 (2006.01) B65H 5/02 (2006.01) B65H 29/66 (2006.01)

Patent

CA 2250796

A hopper loader apparatus for transferring and separating individual signatures of sheet material from a vertically aligned, parallelepiped shaped stack of such signatures. The separated, individual signatures may then be subjected to handling operations such as stapling or stitching. The hopper-loader has a first, downwardly inclined, planar conveyor, a second upwardly inclined, planar ramp conveyor which separates individual signatures from the stack and moves the signatures at a faster speed than the first conveyor. An included angle is formed between the first and second conveyors which ranges from about 125° to about 145°. Signatures are delivered to a pocket having spaced side walls and having a floor comprising a third intermittent indexing conveyor which sequentially moves the individual signatures away from the second conveyor and makes them available to stapling or stitching equipment.

Dispositif de chargeur à trémie utilisé pour transférer et séparer des cahiers d'imprimerie individuels de matériel en feuilles à partir d'une pile de cahiers d'imprimerie alignés ayant la forme d'un parallépipède. Les cahiers d'imprimerie individuels séparés peuvent alors subir un traitement comme l'agrafage ou la piqûre. Le chargeur à trémie possède un premier convoyeur plat, incliné vers le bas, un deuxième convoyeur plat incliné vers le haut qui sépare les cahiers d'imprimerie individuels de la pile et les déplace à une vitesse plus grande que le premier convoyeur. L'angle inclus formé par le premier et le deuxième convoyeurs va de 125 à 145 degrés environ. Les cahiers d'imprimerie sont acheminés jusqu'à une poche comportant des parois latérales espacées et munie d'un fond comprenant un troisième convoyeur à butée intermittent qui éloigne séquentiellement les cahiers d'imprimerie individuels du deuxième convoyeur et les conduit au matériel d'agrafage ou de piqûre.

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