RESILIENT TUCKER ELEMENT FOR INTERFOLDER FOLDING ROLLS
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United States of America Patent
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N/A
Issued Date -
Oct 14, 2010
app pub date -
Apr 8, 2009
filing date -
Apr 8, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus are provided for facilitating folding of material fed through a nip between two folding rolls having a tucker on one roll and a corresponding gripper on the other roll, by using a resilient tucker element having a tip that is moveable from a neutral position thereof, through elastic deformation of at least a portion of a body of the tucker element, for directing a portion of the material into the gripper. The resilient tucker element may have a tucker body formed at least partially of elastically resilient material fixedly attached at a proximal end thereof to the other roll. A portion of a distal end of the resilient tucker element may be wedge-like and have vacuum ports extending at least partially into the wedge-like portion, for securing an end of a sheet of material being fed through the nip between the folding rolls.
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