Intermittent feeding of a web-shaped workpiece
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United States of America Patent
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Nov 17, 1992
Issued Date -
N/A
app pub date -
Feb 5, 1992
filing date -
May 3, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Pivot arms which carry the pressing bar are hingedly mounted to the rocker. At their opposite ends these pivot arms are hingedly mounted such to the frame that in one position the axis of rotation of the lower feeding roller coincides with the pivotal axis of the pivotal point at which the pivot arms are hingedly mounted to the frame. The pressing bar is thereby hingedly mounted via a link connection to a pivot point at the frame that a parallelogram of movements is provided, based on which the pressing bar is moved exactly perpendicularly against the workpiece to be arrestingly pressed.
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