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Automatic signature pack transfer apparatus

  • US 4,750,132 A
  • Filed: 09/11/1986
  • Issued: 06/07/1988
  • Est. Priority Date: 09/19/1985
  • Status: Expired due to Fees
First Claim
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1. Apparatus for the automatic transfer of individual packs of signatures from at least one stack thereof to at least one treatment station, comprising:

  • a rigid frame defining a bridge crane having at least one pair of substantially horizontal parallel fixed guide rails,at least one pair of substantially horizontal parallel movable guide rails extending perpendicularly with respect to said fixed guide rails and slidably movable therealong,first drive means operating to cause displacement of said movable guide rails along said fixed guide rails,a transfer head assembly mounted on said movable guide rails for longitudinal displacement therealong,second drive means operating to cause displacement of said transfer head assembly along said movable guide rails,a jaw assembly including a fixed jaw and a movable jaw, mounted on said transfer head assembly and vertically displaceable with respect thereto,third drive means operating to raise and lower said jaw assembly with respect to said transfer head assembly,fourth drive means operating to rotate said jaw assembly about a substantially vertical axis with respect to said transfer head assembly,fifth drive means operating to cause said movable jaw to move towards or away from said fixed jaw whereby to grip or release a pack of signatures between them,automatic electronic control means operating to control the energisation of said first, second, third, fourth and fifth drive means whereby to cause said apparatus to pick up a pack of signatures from said at least one stack, transfer said pack of signatures to said at least one treatment station and release said pack of signatures at said at least one treatment station before proceeding to perform new cycles of operation on a successive pack of signatures,wherein said fixed and movable jaws include pack contact means for engaging each said pack of signatures upon relative approach of said jaws, said pack contact means being rotatable about a horizontal axis andsixth drive means operating to cause said pack contact means to rotate about said horizontal axis thereof.

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