Patent ID: 6220641
Filing Date: 2001-04-24
Classification: B66C

Abstract:
A gripper, comprising:a support frame having a first and a second end;a stationary finger section comprised of a plurality of stationary fingers and attached to said second end of the support frame, each finger positioned to provide an interfinger spacing between adjacent fingers;a moveable finger section having a plurality of moveable fingers spaced to allow movement of said moveable fingers through the inter-finger spacing of said stationary finger section, each moveable finger having a slot similarly positioned on each moveable finger such that each of said slots are aligned and extend through the entire moveable finger section;a pivot pin which transgresses a hole through said stationary finger section and passes through said slots of the moveable fingers where a range of motion of the moveable finger section is defined by a relationship between said pivot pin and said slots, the ends of said pin pass through a pair of holes in said second end of said support frame and have a means for securing said pin to prevent lateral movement;an actuating device coupled to said moveable finger section to provide power to the moveable finger section to rotate the moveable finger section; anda lifting bail attached to said first end of the support frame providing a point of attachment to lift and lower the gripper.