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Self-contained pick-and-place apparatus

  • US 5,524,947 A
  • Filed: 03/11/1994
  • Issued: 06/11/1996
  • Est. Priority Date: 03/11/1994
  • Status: Expired due to Fees
First Claim
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1. An apparatus for respectively engaging and releasing an elongate group of stacked articles, said apparatus comprising:

  • an elongate pivot shaft defining a longitudinal axis;

    a pair of elongated article grippers for engaging said articles;

    pivot arms coupled with said article grippers and mounted to said pivot shaft for pivotal motion about said longitudinal axis for thereby moving at least one of said article grippers for engaging said elongate group of stacked articles;

    a first biasing portion for biasing said pivot arms to pivot in a direction for moving at least one of said article grippers;

    a cam supported by said pivot shaft for movement parallel to said longitudinal axis between a gripper open position and a gripper closed position;

    a cam follower mounted to said pivot arms and responsive to axial movement of said cam for overcoming said first biasing portion and for pivoting at least one of said pivot arms in a direction for moving said article grippers to an open position when said cam is in said gripper open position and for permitting said first biasing portion to move said pivot arms in a direction for moving at least one of said article grippers to a closed position when said cam is in said gripper closed position, and a first actuator supported by said pivot shaft for moving said cam between said gripper open position and said gripper closed position.

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