Closed circuit switching machine, on a vertical plane, with devices to maintain the articles' transport planes in an essentially horizontal position
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United States of America Patent
Stats
-
Dec 28, 1999
Grant Date -
N/A
app pub date -
Jan 12, 1998
filing date -
Jan 10, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A switching machine having a number of trolleys pulled by belts mounted on drive wheels set at the ends of the machine and comprising a mechanism suitable for imposing a counter rotating motion on the trolleys, so as to maintain them in a correct position while passing over the drive wheels. The mechanism for achieving the counter rotation motion on the trolleys comprises a number of first sprockets, mounted on a support firmly attached to the drive wheels, having a rotation motion proportional to the rotation of the drive wheels and having the same direction, and, for each trolley, a sprocket firmly attached to the frame of the trolley, suitable for meshing with said first sprockets when the trolley reaches the ends of its path.
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