Sheet material handling apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 2, 1996
Grant Date -
N/A
app pub date -
Oct 17, 1994
filing date -
Oct 17, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sheet material feed drum has a plurality of grippers which are spaced apart by a first distance, measured along the periphery of the feed drum. Sheet material is transferred from the feed drum to a conveyor. The conveyor has a plurality of pusher elements which are spaced apart by a second distance which is less than the first distance. The pusher elements are moved at a slower speed than the grippers. An apparatus is provided to reduce the speed of movement of the sheet material to match the speed of movement of the pusher elements. In one embodiment, the apparatus for changing the speed of movement of the sheet material includes a ring member which is rotatable about a central axis of the feed drum. The ring member is moved at a slower speed than the grippers. A presser roll engages the ring member to define a nip through which the sheet material is conducted. In another embodiment, a wheel is rotatable about an axis which extends through the feed drum. A presser roll engages the periphery of the wheel to form a nip through which the sheet material is conducted.
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