Automatic drawing device
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United States of America Patent
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-
Aug 26, 1997
Grant Date -
N/A
app pub date -
Mar 20, 1996
filing date -
Mar 24, 1995
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A drawing device including a drawing block and a traction device, where the traction device includes two drive belts and an automatic engagement device. This automatic engagement device includes an auxiliary traction device propelled with power by the traction device.
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Cited Art Landscape
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