Broaching device for a silo
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United States of America Patent
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-
Dec 21, 1993
Grant Date -
N/A
app pub date -
Jun 4, 1992
filing date -
Aug 22, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A broaching device for a silo is comprised of a rotor and at least one broaching arm connected to the rotor. The broaching arm comprises leaf springs that are stacked on top one another to form a leaf spring packet. The broaching arm further comprises brackets for holding the leaf springs together. The broaching arm extends to the wall of the silo and is curved opposite to a direction of rotation of the rotor. A holder is connected to one of the leaf springs arranged in a center position of the leaf spring packet at a free end thereof. Outwardly positioned leaf springs of the leaf spring packet are slidably supported at the holder. A broaching tool is attached to the holder of the broaching arm.
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