Mass-compensation oscillating drive for oscillatory machines

Details Mass-compensation oscillating drive for oscillatory machines Mass-compensation oscillating drive for oscillatory machines

1987-05-14

1989-02-28

Staab, Lawrence

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

198766, 2093651, B07B 142

Patent

active

048074870

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.

REFERENCES:
patent: 1577310 (1926-03-01), Sutton et al.
patent: 2258217 (1941-10-01), Robins
patent: 3250380 (1966-05-01), Allen et al.

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