Mass-compensation oscillating drive for oscillatory machines
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United States of America Patent
Stats
-
Feb 28, 1989
Grant Date -
N/A
app pub date -
May 14, 1987
filing date -
May 15, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Mass balance for a screen oscillating drive is provided mounting the eccentric or crankshaft assembly on extensions of the links supporting the working frame. The axis of the suspended mass m.sub.2 is spaced by a distance a.sub.2 from the pivot of the links to the base frame such that the product m.sub.2.a.sub.2, is substantially equal to the product m.sub.1.a.sub.1 where a.sub.1 is the distance between the pivot of the link to the base frame and the pivot of the links to the working frame and m.sub.1 is the mass of the working frame. The axis of the suspended mass m.sub.2 intersects the centerline of the links in the median position thereof at a normal to this centerline connecting the latter axis and the center of mass of the working frame as seen in side view.
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