Delivery fan with undulated fan pockets
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 15, 1990
Grant Date -
N/A
app pub date -
Jun 1, 1988
filing date -
Jun 1, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A delivery fan includes a plurality of blades defining a fan pocket for receiving a signature. The plurality of blades includes two sets of blades. The blades of one set are axially equally spaced apart and define one side of the pocket. The blades of the other set are axially equally spaced apart and define the other side of the pocket. The blades of both sets of blades have surfaces for engaging opposite sides of the signature and for deforming the signature into undulations extending in a direction transverse to the direction of movement of the signature. While the signature is being engaged and deformed, the frictional contact between the signature and the surfaces in the pocket slows down the signature. This minimizes buckling and/or bouncing of the signature in the pocket.
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Cited Art Landscape
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