Operation stand for measuring sheet size for sheet-fed press
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United States of America Patent
Stats
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Jul 24, 1990
Grant Date -
N/A
app pub date -
Aug 10, 1989
filing date -
Aug 10, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The specification discloses an operation stand provided to a sheet-fed press. This operation stand has stopper means set up at the end portions of a table surface of the operation stand and adapted to restrict the positions of the longitudinal and lateral edges of paper, a suction means adapted to apply vacuum to said paper through numerous suction holes provided in the table, so as to bring the paper into close contact with and fix the same to the table surface, a detecting means adapted to scan the paper with a detector with reference to guide shafts extending under the table surface in the longitudinal and lateral directions of the paper and detect the positions of the longitudinal and lateral edges of the paper, an arithmetic means for calculating the size of the paper on the basis of the information on the positions of the edges thereof from the detecting means, and a display means for digitally displaying the size of the paper calculated by the arithmetic means. The operation stand for a sheet-fed press according to the present invention has an advantageous effect that the size of paper can be measured simply and accurately by utilizing the flat table surface without modifications to it.
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