Plot handling apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 17, 1995
Grant Date -
N/A
app pub date -
Dec 8, 1993
filing date -
Dec 8, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This is a pair of improvements for a plot rolling mechanism for a pen plotter or the like having a rolling mechanism with an entry opening and a receiving bin for receiving rolled plots. The first improvement comprises a sealing mechanism for sealing the entry opening during plotting, the sealing mechanism being rotatable between a sealing position blocking the entry opening and a retracted position not blocking the entry opening and apparatus for rotating the sealing mechanism between the sealing position and the retracted position. The second improvement comprises the receiving bin having a horizontal slot opening across the width adjacent a top edge thereof, the slot opening being of a height and width sufficient to pass a largest rolled plot therethrough; and, a flap hinged adjacent the top edge and extending over the slot, the flap having a weight sufficient to maintain it over the slot under normal use and light enough to deflect and open the slot under the weight of the lightest rolled plot expected when a rolled plot entering the receiving bin is rolling off a maximum number of allowed rolled plots already in the receiving bin.
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