Bean grader
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United States of America Patent
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-
Jul 26, 1994
Grant Date -
N/A
app pub date -
Dec 31, 1992
filing date -
Dec 31, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A grader drum has fixed grader bars which extend between two annular end plates. Rotatable grader bars extend between the end plates between each pair of fixed bars. A generally frustoconical cam is movable axially with respect to the drum. A cam follower with a roller which engages against the cam is connected to each rotatable grader bar. A looped elastic belt encircles the cam followers and engages with radially outwardly facing grooves on the cam follower arms to retain the cam followers in engagement with the cam as the cam is displaced axially to adjust the spacing between the fixed and rotatable grader bars.
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