Intermittently protruding feeder for paperboard blanks
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United States of America Patent
Stats
-
Jul 21, 1987
Issued Date -
N/A
app pub date -
Jun 23, 1986
filing date -
Nov 9, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A feeder for paperboard blanks includes a transport, vertical relationship changing structure to alternately provide active and passive positions for the transport a suction device, and a transmission with input and output shafts operatively connected so that the output shaft undergoes controlled acceleration during an initial portion of each revolution of the input shaft and is stationary during a last portion of each revolution of the input shaft, whereby the transport engages and grips a blank by static friction and moves and accelerates that blank to nip rolls without slippage occurring and so that each blank enters the nip rolls in register whereupon the blank is disengaged from the transport.
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